POLITICO Playbook: Congress shifts into overdrive. 5 with a 4L80E that has started having extremely hard shifts and won't shift into overdrive. During highway cruising I want it to shift above. It may also keep the torque converter from locking up in 3rd and in 4th (overdrive). txt) or read online for free. As an aid to the. Spring prevents harmonic frequency breakup. And there’s no slowing down. Check all the vac system, vac lines/vac hoses etc and clean different sensor wire plug in connectors/connections by unplugging them one at a time and use tuner cleaner. Dirty fluid can cause all kinds of shifting issues because it clogs up small passageways going to the shift solenoids. Details about 4L80E Transmission Overdrive Planet 1993-2000 NEW fits Tahoe Suburban. However, that only indicates 3 forward gear positons while the 4L80E has 4. Throttle engine, rear tires start spinning really fast then I am experiencing engine braking and it "finds" first gear. I have a 1994 GMC Suburban 2500 that will not go into OD. Once the pressures are right and it's shifting at the proper time, if the feel is too hard, you need to adjust this through the accumulators and orificing. 4L80E Hard Parts. 3-4 Accumulator Spring , Common to break , creates loss of overdrive , fits all Dodge and Jeep Truck Models , Free Shipping in the U. The 4L80E transmission is normally equipped with an internal reluctor ring on both the transmission input shaft and output shaft. and I am in stop and go traffic, it shifts hard into 1st and 2nd. 4L80E Transmission Problems: Dan Howard: It has no overdrive, and sometimes the 2-3 shift is delayed. Trans was just rebuilt by a local shop. Maximum electronic control over shift points, shift firmness & shift speed. Compatible w/ GM transmissions, including 4L60E, 4L65E, 4L80E, 4L85E & TCI® 6x Six-Speed. I haven't seen a max line pressure DTC enabled since 2001. The TCM receives information on engine RPM, load and throttle posi-tion to provide optimum shift points to maximize fuel economy and driver comfort. My 4l80e shifts hard from first to second and wont go into overdrive its in a 91 r3500 with a 6. Here's the weird part. The Cool thing about the 4L60E and 4L80E electronic transmissions is that the shift solenoids are not pulse width modulated. I have a 93 GMC Sierra 6. The brakes are, naturally, hard work – requiring a big shove of the middle pedal to lose speed. -Checked for power at the ECM and checked grounds. A lowered stance is also in part to 2 inch drop spindles and the frame is dropped 3 inches in the center. Transmission won't shift into overdrive anymore. 4L60E / 4L80E The transmissions above, are rear wheel drive 4speed automatics that are all computer controlled. 75 overdrive. The stock speedometer will not work. This write-up is for OPERATION OF THE 4L80E TRANSMISSION. A time filled with flip phones, physically going out to rent DVDs and the longest game in modern NHL history — thanks to the Philadelphia Flyers and rival Pittsburgh Penguins. I have a 454 Big Block mated to a 4L80E (1997) 2WD with a 2500 OE stall converter. Extremely harsh shifts from P or N, normal shifts at WOT: EPC (Electronic Pressure Control) solenoid failed. US Shift Electronic Transmission Control Systems let you take charge of your 6R80, 4R70W, E4OD, 4R100, 4L60E, or 4L80E transmission and unlock its true potential. From interactive touch screens and in-store greenhouses, to wine bars and guest chefs, retailers could transform the boring chore of getting groceries into a food and shopping adventure for their customers. Problem may be intermittent: Check TPS for smooth electrical response. I have found. Shift solenoid malfunctions can be the result of a variety of both mechanical and electrical faults. All parts were bought on either ebay or amazon are listed below except the. This deal will be like putting jet fuel in the Un-carrier engine! The New T-Mobile will be a bigger, better, stronger disrupter able to drive fierce competition in the converging wireless, video, and broadband space. 4L60E / 4L80E The transmissions above, are rear wheel drive 4speed automatics that are all computer controlled. The gearing to move such a heavy load is a 2. And last summer, though Ed had sworn off roller coasters—he’s 62 and has had open-heart surgery—he took two grandkids on the Lost Coaster of Superstition Mountain. My 4l80e shifts hard from first to second and wont go into overdrive its in a 91 r3500 with a 6. A vehicle runs smoothly when there is no jerk, shake or grinding noises, which all result from an issue with the gears. Introduced alongside the original 4L60 in the early 90’s the 4L80E was designed for large trucks and is designed as a heavy duty unit, rather than a transmission for smaller cars or even some pickups. and it was hard to find a good shifter that worked. 5 dual rear exit exhaust with free flowing Diesel Donaldson mufflers on. Whether it is Offroad racing, Kings of the Hammer, drag racing or just a custom street rod. light duty trucks for 1991. Take it apart, the rest should be self explanatory. olderuser53 Posts: 1. As the 4L60E ages, one of the most common problems that it develops is that it won’t shift into overdrive anymore. This is happening on a cold start in cold weather (-3c). The problem is that the lock up clutch goes bad. No O/D what so ever. 09/16/2007 1:26 PM: You’ve hit on a few good points here. Hughes Performance has a 4L80E transmission available for practically any engine combination and power level. Discussion Starter • #1 • Dec 10, 2007. If the fluid level is low, there's not enough fluid to fill all these passages, and the transmission lacks pressure internally. Maximum electronic control over shift points, shift firmness & shift speed. There are no codes when grounding the diag connector and reading the blinking CEL. DESCRiPTiON QTY. Want a little firmer shift?. It shifts very hard through all the gears and especially hard on the 1-2 shift. Average failure mileage is 105,450 miles. It does not include the converter cut and clean, or hard parts. 2 diesel - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. Just got done with the 4L80E swap myself. Everything else works fine. Compatible w/ GM transmissions, including 4L60E, 4L65E, 4L80E, 4L85E & TCI® 6x Six-Speed. I have a 93 GMC Sierra 6. I dont think it would live in full weight truck. The truck has enough grunt to pull just about anything, but I am worried about using 4th when towing my rig to Moab this year. Fast forward to today we're seeing the events play out much. The Sure Cure® Kit SC-4L80E 42RH/RE only TCC/Lockup Symptoms No converter apply, 1-2, 2-3, 4-5 Flares End Plug Kit 34994-11 4L80-E, 4L85-E only, fits TCC valve bore with. Free shipping. 0Lwith only 115000kms on it over the last couple monthsthe4L80 transmission hasbeenhaving really hard shifts after drivingon the highway for 30-40 min in D4 the engine light comes on and the code p1870 comes up on the. No forward movement in OD or D, but L2, L1 and R work: Forward sprag is broken. Had it one time where it wouldn't shift the 1-2 until almost 25mph at very light throttle that's hell in town driving in my opinion. 2nd only when HOT and low pressure rise. They claimed. Details Chevy Silverado and GMC Sierra Truck Repair Help. Discussion Starter • #1 • Dec 10, 2007. They are designed and built with OEM quality in mind while still being. How to Fix Hard Shifting Automatic Transmission. I'm just plain not smart enough to setup the tables. All the shifting is fine, what would cause this? It's in a 2002 chevy silverado 2500hd. Both are not interchangeable. CK Performance Engineering | 1330 Lincoln Ave, Suite 4, Holbrook, NY 11741 Phone: (631) 218-1989. Gear Vendors Overdrive GM 4 speed automatics Gear Vendors Save Gas or Diesel Fuel Extend Chevrolet or GMC 700R4, 4l60E and 4L80E Mileage, Extend Engine Life, Start Saving Money Today! Does your Chevrolet or GMC need more power to climb hills or tow with heavy loads, plus at the touch of a button taller gearing for cruising down the highway with. Clearing the code PO894 makes it shift normally, but in a couple of miles of stop-n-go driving it starts again with the firm shifting. This article applies to the Chevrolet Silverado GMT800 (1999-2006). Another possibility is the problem may be intermittent, or only occurs during a specific set of circumstances. -Will manually shift into 1st, but in 2nd, D, and OD starts and stays in 2nd. Whether it is Offroad racing, Kings of the Hammer, drag racing or just a custom street rod. I would typically start by checking to see if the brake light works. Our transmissions have withstood. When you start with shifting problems there is no end in site as far as fixing the problem, get a c4 trans and save yourself a ton of money or enter the twilight zone and try to fix the lemon aod. The S&P 500 Wall of Worry Got Steeper on Friday Friday’s session added a new wrinkle to the bulls, and especially its close is a fly in the ointment for Thursday’s encouraging signs. He drove it and it will shift to overdrive sometimes then sometimes it will not. As the 4L60E ages, one of the most common problems that it develops is that it won’t shift into overdrive anymore. 99 2500 4X4 quad/ cummins. All New Shift Solenoids are installed to ensure positive shifting. I own a 2003, 7. If the transmission is shifting fine but will not go into overdrive, then it may have a solenoid failure or a pressure problem. 4L80E Transmission Shift Kit Valve Body Repair Kit 1991-2009 fits GM Transgo. It shifts just fine through the gears, but won't go into OD. well for the pcm to work with the 5. The 4L80E has a max torque rating of 440 lb. No code setting while 1-2 or 2-3, it only repeatedly did it once settled in and cruising along. hard use o/d conversion l. 3-4 Accumulator Spring , Common to break , creates loss of overdrive , fits all Dodge and Jeep Truck Models , Free Shipping in the U. Ive got an 08 gmc sierra cc, and just had a vette servo, and billet servo for the 3-4 shift installed and the tranny worked fine until lastnight, I was driving home an realized that its not shifting into overdrive now. A shift kit is the correct and only safe way to adjust shift firmness and pressure on a 4LxxE. I also verified I'm hooked up to the VSS and not the ISS. 4L80E Overdrive Planet / Overun Planet Fits 1991 to 2000 Gm & Gmc Trucks This Is A Brand New Product Amazing Price Summer Inventory Reduction Sale Gm & Gmc Trucks RPO Code MT1 - 17 Pan Bolts If Unsure Will Fit All Years If Using An Early Drum. It also normally will not go into 4th gear. Try not to run or drive the car or further damage could result. The B&M PreRunner/Trail 4L80E automatic transmission is for use with all 1997-Up Chevrolet LS based engines with 2WD. This transmission is similar to the TH400 except that it is electronically controlled and has an overdrive. 2 auto and i just had the valve body repaired and now it works great except at highway speeds it will be running around 2200 rpms then go up (it wont go up quickly it will just slowly rise, takes about 5 seconds) to around 3200 rpms then it seems to bog back down to 2200. Many parts interchange between the 400 turbo and 4L80E. and the newer trans post 1998 i belive. Would a transmission flush. Our 4L80e and 4L85E transmissions are one of the strongest in the world. Keeps Jumping in and out of overdrive Mar 25, 2012 4l80 no overdrive or reverse Mar 10, 2012 4l80E overdrive problems Dec 10, 2011 More results from www. Had transmission rebuilt. Had to order GM 15013290 and wait 3 more days to make more progress on this step. If the RPMs reach 4,000 to 5,000 without dropping, this could indicate that the truck is not shifting into overdrive. This is a simple 30 minute bolt-on installation. The S&P 500 Wall of Worry Got Steeper on Friday Friday’s session added a new wrinkle to the bulls, and especially its close is a fly in the ointment for Thursday’s encouraging signs. The 4L80E is not without problems though, as hard shifts and losing the reverse gear are some of the most common problems reported from this transmission. txt) or read online for free. 4L80E Specifications. It did shift into overdrive twice at beginning of test drive while cold but would not later when hot or on subsequent cold starts. I'm hoping to get some help with problem #1 I put. But if I had to back off the pedal, it would downshift back into 3rd, then later repeat the whole 4500 rpm over-rev maneuver to go back into OD. This transmission is similar to the TH400 except that it is electronically controlled and has an overdrive. If one of these solenoids go bad, you may experience slipping between gears, failure to shift, and a failure to shift into overdrive. But we wish more smarts had been put into the overdrive selector. com The most ridiculous Overdrive questions - Diesel Place : Chevrole. Hard into it or easy on the gas. Both are not interchangeable. 4L80E Hard Parts. This will lead to poor shift quality or no shift at all. No laptops or hand-held tuning devices are required to completely control shift points, shift firmness, and torque convertor lockup. 0Lwith only 115000kms on it over the last couple monthsthe4L80 transmission hasbeenhaving really hard shifts after drivingon the highway for 30-40 min in D4 the engine light comes on and the code p1870 comes up on the. Not yet, and not for the 4l80e, but I might have to use this shift kit for my 4l603 in my 1988 Blazer. Here's what the cable looks like set to WOT. So that's where I'm at now. It shifts very hard through all the gears and especially hard on the 1-2 shift. Noticed that the torque converter wasn't locking up when this happens. In addition to the domestic manufactures we offer automatic hard parts for units manufactured by Mazda, Mitsubishi, Nissan. This is happening on a cold start in cold weather (-3c). Want a little firmer shift?. The biggest thing is the orificing. I've gotten some really hard shifts lately after coming off the freeway with my 2000 chevy 3/4 ton with the 4l80e tranny. 09/16/2007 1:26 PM: You’ve hit on a few good points here. Driving in "D", 3, direct no noise. Accelerating fast it won't shift gears. This write-up is for OPERATION OF THE 4L80E TRANSMISSION. 2 diesel - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. We offer only professional quality automatic transmission remanufactured hard parts for eight different vehicle manufactures. New center support bolt. \015 After i drive for about 15 miles and stop ,and start driving again the transmissio shift hardly in 1,2,3,4 so i do not know what to do ? i repelt the transmission ,i replase anew solnoid for 1,2 and 3,4 ,force motor ,tcc speed sensor , shift sensor help me please. Introduced alongside the original 4L60 in the early 90’s the 4L80E was designed for large trucks and is designed as a heavy duty unit, rather than a transmission for smaller cars or even some pickups. 4l60e no computer full manual no flipping switches just the shifter Building a 4l60E for 700whp Performabuilt builds a 4L60E for 700whp for a 2002 camaro. Manual shift electronic controlers are pretty cheap today, if you don't mind shifting. 5l, with mechanical pump and a 4l80e tranny. Joined Dec 12, 2007 Messages 1 Points 0. I'm guessing that's lockup (torque converter). Shifting solenoids do pertain to issues with no engagement in Overdrive. 1991-2008 AOD-E / 4R70W Cancels all automatic shifts - puts the driver in control of all shifts by moving the shift lever. Your transmission is just supposed to shift and leave you alone. Sporadically shifts a little hard first to second, second - Answered by a verified Chevy Mechanic. The EZTCU has no faults, and solid blue light on the TCU. If you hit the gas and your van slips between the gears, refuses to shift, or it doesn't go anywhere at all, then you may have a failed 4L80E shift solenoid. The GM 4L80E 4-speed overdrive transmission is the ultimate overdrive platform to suit virtually combination that requires the strongest overdrive transmission possible. Commonly, shift points and are delayed as well as overdrive disabled until the trans reaches full operating temperature. Buy 4L80E Transmission 1-2, 3-4 (A) and 2-3 (B) Shift Solenoids 91-up - 2 piece: Hard Parts - Amazon. P0712, P0713: Transmission Fluid Temperature (TFT) 712 = sensor circuit grounded 713 = sensor circuit open: Hard. Nothing so far. its sure to help the tranny live longer. Trans shift problem 1st to 2nd shift hard shift started about 3 months ago 2001 Ford Ranger 4x4 ,started only doing it on cold starts now does it all the time cold or hot have to let off accelerator to get to shift or manually shift from shift lever. Simple Shift is the latest breakthrough in electronic overdrive transmission control. I have a Ford F series Pickup equipped with the E4OD. 5 with a 4L80E that has started having extremely hard shifts and won't shift into overdrive. 1-2 and 2-3 shifts are also harsh. On the older vehicles with the max pressure DTC enabled, in SD mode with stock shift pressures, the trans shifts are very hard. id have the dealer double check for hard codes. I have a 1994 GMC Suburban 2500 that will not go into OD. Technically speaking the wrong second gear shift accumulator spring was put in many of these vehicles, causing them to shift to hard from first gear to second gear. Good news is I fixed a few things and shifts well in 1,2,3 but still can't get overdrive. Usually if I step on the gas it shifts smoothly, and like you mentioned when towing it shifts beautifully. Shane told me TransGo makes a kit that in effect allows you to manually shift, (thus no electronics needed). Also Never mix 4l80e internal parts they have alot of diffrences in the production years. Re: Ford Escape shift / Overdrive issues Sign In I really don't think I have run into a customer that had requested me to change an electrical part no if ands or buts that didn't have any visual damage to it. The couple met as teenagers on the boardwalk after Ed’s shift at the bumper cars. We now offer those hard-to-find Rebuilt Steering Columns for Ford trucks. The truck has enough grunt to pull just about anything, but I am worried about using 4th when towing my rig to Moab this year. A problem with one or more of the solenoids can cause a lack of pressure, resulting in hard, soft or delayed shifts. 75:1 overdrive. Use either GM #24200161 harness or aftermarket equivalent. You soon get into the habit of using gears to slow down. "Select Tables Using Manual Mode Status" will choose the tablehard shifting 4l80e. The 4L80-E (and similar 4L85-E) was a series of heavy-duty automatic transmissions from General Motors designed for longitudinal engine configurations. Clearing the code PO894 makes it shift normally, but in a couple of miles of stop-n-go driving it starts again with the firm shifting. Need some thoughts please. When it fails the transmission can stop shifting or shift late and harsh. When it is in the low side of the transfer case there is no problems at all. and it was hard to find a good shifter that worked. converters for the 4l80e can be pricey as well. Elsewhere in this story we've listed the ratios of both the TH350 and the 700R4/4L60E. and there are a number of numbers from which to choose when it comes. The 4l80e driveshaft is longer than the 4l60e and this has to be considered when doing your swap. The Intermediate Sprag is Upgraded to 34 Elements, in turn increasing holding capacity. 00 3rd Then of course the 4L80E has the overdrive 4th gear. I also recently turned on the torque converter clutch to activate in overdrive. 4L80E stuck with only 2nd gear and reverse. I replaced (one) shift solenoid, put the pan back on w/new filter & fluid and STILL no overdrive and the same code (573) pops up. Does anyone have any advice. 00 each the TCC sol. The break in the drum is very obvious once you remove the outer drum cover. 11months after my original posting, I have a code P1876 Trans case selonoid circuit fault. 4th and overdrive SEEM to be okay. 00 Add to cart. 2nd problem is I'm poor. 4l80e hard shift Discussion in ' Last two days been having a hard shift from 1-2 2-3. CALL 800-708-0087, Office Hours are Monday-Friday, 8:00am-7:00pm EST. Real problem shows up between 40 mph and 50 mph. Shop the industry's largest selection of Transmission Control Units at Jegs. 00, plus 'hard parts', if any (Based on customer supplied core) Please note, hard parts for the 4L80E can get extremely expensive, so we cannot offer a "ceiling" on hard parts cost for them, as we do other units. I decided to use -6 AN fittings and braided steel hose. TCI trans 4L80E. I've got a 1994 GMC Sierra 4X4 5. If i just hold the brake pedal enough to turn on the lights, not slowing. The shifting remains smooth yet firm enough to remind you that you're gunning a sports coupe. Hopefully we can all stay healthy and get this figured out. 490" wide) image #037, 040 Item #34037 $2. Product Name: Eat — STOP — Eat Click here to get Eat — STOP — Eat at discoun. Then it would shift to 3rd too early, felt like it should've gone another 500-700 rpm or so. It shifts very hard through all the gears and especially hard on the 1-2 shift. It also has to be reved to get it to start moving forward or reverse. 00 Add to cart. Tried speed sensor change= no change. I have a weird feeling that my overdrive might have something to do with this. You will have to have it programmed by a tuner for the 5. 4L60E - 4L80E Trans Brake Operation Brake will function in drive position, not manual low unless you are using a Ross-Lock™ patented hybrid manual box, and be disarmed in overdrive position. Less is better to a point. Another possibility is the problem may be intermittent, or only occurs during a specific set of circumstances. GM's 4L80E overdrive automatic is the latest in a continuing legacy of rugged Turbo-Hydramatic transmissions from Chevrolet. The 4L80E transmission’s roots trace back to the Turbo-Hydramatic 400 automatic transmission introduced in 1964 Cadillac and Buick models. bushing (th400 sun gear shaft and stator shaft) (4l80e overdrive sun gear 91-up / sun gear shaft no grooves 91-96) (1. I have a Ford F series Pickup equipped with the E4OD. Take it apart, the rest should be self explanatory. Everything is working perfectly and shifts just like it should. everything went smoothly but its a messy job,hint don`t take the accumulator apart on the kitchen table you will get yelled at!The car shifts excellent from 1st to 2nd,2nd to 3rd also great but overdrive is still jumping. Re: o/d light flashing, hard shift 1st to 2nd update: drove the truck around town, never going over 45 mph, light never came on and truck shifted fine and ran fine. The tranny developed a leak in the last few days that seems to be oozing from the bellhousing. There is a common issue with shifting on a number of Jeep Grand Cherokee models as they age and their mileage increases. the "5th gear" is. The solenoids are both powered with system voltage when the ignition is on. Because of this it's slightly larger than a 400 turbo. 55:1 rear gear, the overdrive drops the effective rear gear ratio to 2. You'll receive the 1-2 solenoid and the 3-4 solenoid in this kit. I have a manual 4l80E in my HMMWV and yes you have to shift up and down as needed and lock the converter on a switch i mainly only use the OD over 45MHP snd the lock up over 55MPH , the kit i use was trans-g0, using stock valve body however TCI or GM performance {both the same} make a stand along easy to work with and to adjust paremeters, it rquieres a TPS signal ect which you can use the tps. As far as I can tell, the lurching only happens when the transmission is upshifting. As an aid to the. Im hitting 4000 rpms at 60mph and no shift. they sell 2 diffrent kits also older 4l80e pre 1998. It shifts very hard through all the gears and especially hard on the 1-2 shift. This transmission is similar to the TH400 except that it is electronically controlled and has an overdrive. When I got off and pulled into local traffic the hard shifting started. When it is in the low side of the transfer case there is no problems at all. Also, drove again and this time, turned o/d off, driving thru town but going faster, 50 plus mph, light started flashing. For awhile it would shift in O/C at around 45mph then at 50mph it would downshift into 3rd and you would have to restart the truck for it to work. Torqueflite / Loadflite A500-518-618-42R-44R-46RE-47RE etc Overdrive 1988 - 2007 (does not fit 2003-06 48RE). #9C0756,Mileage 130 K Transmission will not engage in drive or second,if you put in 1 st position truck will jump as it is supposed to do and pull off as it should,once it is going you can shift to drive and it works fine until you have to stop and then you have to shift back to 1 st position again to. It is only applicable to Jake's Performance builds and customers. The 4L80E service will be $1250, not including any parts upgrades or shipping. Maximum electronic control over shift points, shift firmness & shift speed. This is for those guys who are running MegaSquirt, carb or something other than a factory computer for their engines. No forward movement in OD or D, but L2, L1 and R work: Forward sprag is broken. March 2018 edited March 2018 in Oldsmobile. Okay well my truck has a 4 speed 4L80E transmission that does not have overdrive. I have heard that these trannies are not to. Armboy9589 · Registered. Worked fine for about 50,000 miles and now won't go into overdrive. Elsewhere in this story we've listed the ratios of both the TH350 and the 700R4/4L60E. 2nd only when HOT and low pressure rise. Took it back to the guys who did the rebuild. I'm just plain not smart enough to setup the tables. I have a 97' TA (with a 4L60E) that won't shift past third (only shifts from 2 to 3). It's switched through a Holley nitrous driver. 99 2500 4X4 quad/ cummins. The 1-2 solenoid functions exactly the same way. I had it scanned at a trannie shop but shows no codes. D4 oil from the 1-2 shift valve is routed through the 2-3 shift valve to the 3-4 clutch and servo release. Now gearshifts 3-4 and 4-3 are VERY evident. Rebuilt Trany 4L60E Scanner Code P1860 - will shift to overdrive sometimes need help with code to fix overdrive problem Joe rebuilt the transmission at work on 97 Sierra 4WDR 4L60E transmission. a th350 is lighter and would have been cheaper to install. It has a 4L80e tranny. "Select Tables Using Manual Mode Status" will choose the tablehard shifting 4l80e. 2000 GMC 1500 2wd truck. Still hard shifts when up to temp. I have a cuple problems My 1993 Chevy k2500, 6. CK Performance Engineering | 1330 Lincoln Ave, Suite 4, Holbrook, NY 11741 Phone: (631) 218-1989. 09/16/2007 1:26 PM: You’ve hit on a few good points here. Sporadically shifts a little hard first to second, second - Answered by a verified Chevy Mechanic. We have not seen any cars racing on track in 2020, but Formula 1's driver market has been anything but quiet - shifting into overdrive during the sport's enforced absence, with several surprises. The Intermediate Sprag is Upgraded to 34 Elements, in turn increasing holding capacity. In this video, Curt goes through how to tear down a 4L80E. 00, plus 'hard parts', if any (Based on customer supplied core) Please note, hard parts for the 4L80E can get extremely expensive, so we cannot offer a "ceiling" on hard parts cost for them, as we do other units. Hughes Performance has been building hot performing street and racing automatic transmissions since its beginnings in 1971 when it was founded by William Charles Hughes, Sr. Discussion in 'Mechanic and Repair' started by JCLawn and more LawnSite Fanatic. My 4l80e shifts hard from first to second and wont go into overdrive its in a 91 r3500 with a 6. Apple Iphone X 10 Unlocked 64GB A1865 Space Gray Silver 4G LTE 5. Pandora founder Tim Westergren maxed out 11 credit cards to keep his music-streaming service alive. Don in Indiana. Attached page is from the 4L80E Technician's Guide. Ground is provided by the vehicle PCM in a specific sequence to control shift scheduling (figure 1). Common Chevrolet Express 2500/3500 4L80E Transmission Problems Slipping or No Gear Engagement. If the transmission shifts okay, and no codes return, there may not be anything wrong with the transmission or computer system. For all practical purposes all 4L80E transmissions for sale are the same except for the super duty model that came in the heavy duty series trucks. This upshifts the transmission into 3rd gear. All gears seems to work. When it is in the low side of the transfer case there is no problems at all. Also, drove again and this time, turned o/d off, driving thru town but going faster, 50 plus mph, light started flashing. 1 by Business Insider's fast-food critic Irene Jiang in a chicken-sandwich head-to-head. Re: US Gear overdrive unit no need for an electronic controller if you go with a fully manual valvebody with the 4l80e. Guaranteed lowest price! Open 24x7 - Same Day Shipping! Save $10 off $399, $15 off $599, $25 off $799, $100 off $1,699 Orders. Full stop and neutral has grinding to shift transfer case back into 2H. Also there may be a transmission code keeping it from completely operating into 4th. Overdrive light blinks, transmission shifts hard (1995 Ford F-350) happens seldom, just had transmission rebuilt for other reasons, this problem started befor rebuild and has not changed after rebuild. perfect shifts, just like it always had. When I turn off the overdrive and start off it still shifts hard but it seems to go a little bit better. Need some thoughts please. Dodge 45RFE and 545 RFE Transmission information. A time filled with flip phones, physically going out to rent DVDs and the longest game in modern NHL history — thanks to the Philadelphia Flyers and rival Pittsburgh Penguins. Mine did - 700R4 transmission. 2000 GMC 1500 2wd truck. after some hard offroading my 4l80e tranny has decided to stop shifting into second gear. -Checked for power at the ECM and checked grounds. It shifts very hard through all the gears and especially hard on the 1-2 shift. Even experienced mechanics struggle to find out the exact reasons for this problem. Usually if I step on the gas it shifts smoothly, and like you mentioned when towing it shifts beautifully. Shifting solenoids do pertain to issues with no engagement in Overdrive. The 4L80E is just a longer, heavier, overdrive version of the TH-400. 48 second, 1. Had to order GM 15013290 and wait 3 more days to make more progress on this step. 生命活性化浄水器 元気アップウォーター :20181218020138-00524:ニューアメリhere’s how it works. Half the electrical components inside an automatic trans have no insulation, and are bathed in ATF. I towed a 4000lbs boat 2000km (yes 2000) and never had a hard shift. Hughes Performance, which remains a family owned and operated company, was founded on a solid work ethic and attention to durability — an attitude that remains. internal wear or damaged hard parts. An Easier Way to Rebuild Planets. com The most ridiculous Overdrive questions - Diesel Place : Chevrole. 5l, with mechanical pump and a 4l80e tranny. If the response is jumpy or erratic at all, replace TPS. With our minds shifted into heavy-duty overdrive, we made a call to Monster Transmission to get our hands on a complete 4L80E Monster in a Box rebuild and shift kit. Rebuilt Trany 4L60E Scanner Code P1860 - will shift to overdrive sometimes need help with code to fix overdrive problem Joe rebuilt the transmission at work on 97 Sierra 4WDR 4L60E transmission. To increase the volume of lube oil delivered to the overdrive section start by enlarging the feed passage with a. the problem: 4l80e tranny sometimes slips out of overdive then shifts hard after coming to a stop and taking off. Nichols from Hughes says, "The 4L80E transmission family is the strongest GM overdrive transmission ever produced and installed in a standard passenger vehicle platform, and is arguably the strongest overdrive transmission produced by any of the big three. The customer had a transmission issue and had a used transmission installed. It does not include the converter cut and clean, or hard parts. Messages: 5,451. Average repair cost is $2,900 at 69,900 miles. When i pushed down it hard it did kick down. Durango would shift in and out of overdrive while driving at a steady rate. Not only will an Overdrive Transmission improve your performance, but it will reduce your fuel consumption by up to 33%. Are you looking to buy a car but can't decide between a Mercedes-Benz A 180 or Toyota Yaris? Use our side by side comparison to help you make a decision. I have a fitech EFI system and I'm sharing the TPS. The Intermediate Sprag is Upgraded to 34 Elements, in turn increasing holding capacity. There was alot of fine material on the magnets, but no chucks. The shifting remains smooth yet firm enough to remind you that you're gunning a sports coupe. But while he names were different, the basic operation was about the same and they shared the same basic parts, Today automatics are more often identified with a number rather than a name. converters for the 4l80e can be pricey as well. But in a light weight race truck like a tube frame truck I think it would live. Ford Stick Shift Kits AODE-3. I got my swap done into my 84 GMC 4x4 and have been driving it none-stop since Saturday. I also recently turned on the torque converter clutch to activate in overdrive. It shifts just fine part throttle, but will not shift under full throttle. You should contact an experienced mechanic when this happens. Hard into it or easy on the gas. Our compact shifters provide the best fit and shift quality available. It shifts very hard through all the gears and especially hard on the 1-2 shift. But it only shifts into third gear and my question is should this shift into for gears then in overdrive or is it three years and an overdrive?. It was used in HD applications. This is a computer controlled transmission first introduced in G. Other than the changes to the switch table for the 4L80E solenoid pattern, I've pretty much kept all of the trans tables the same as the 4L60E. transmission shift issues, bucking, jerking, idle surging, engine cutoff, hesitation on take off, surge while cruising down highway. I'm sure it's the original trans. Note that axle nuts can only be tightened with a torque wrench to the precise value in the Service Manual because overtightening the axle nut will drive the ball. Overdrive light blinks, transmission shifts hard (1995 Ford F-350) happens seldom, just had transmission rebuilt for other reasons, this problem started befor rebuild and has not changed after rebuild. Ground is provided by the vehicle PCM in a specific sequence to control shift scheduling (figure 1). and it was hard to find a good shifter that worked. Real problem shows up between 40 mph and 50 mph. Try not to run or drive the car or further damage could result. Last two days been having a hard shift from 1-2 2-3. When this condition is present (no 3-4 shift after 4-3 WOT), do you get these shifts: - 3-2 kickdown (WOT) - 3-2 part throttle (PT) - 2-1 PT - 1-2 PT - 2-3 PT If you get thes other shifts, then possibly the 3-4 shift valve may be sticking. The newer trucks don't have that table, and I just did a SD tune on a 2007 6L truck with the Gen III pcm and no shift pressure issues. You soon get into the habit of using gears to slow down. Sometimes SHIz Happens In the event of a warranty the Buyer pays 100% Return Shipping !. 00 Add to cart; 4L80E Overdrive Planetary. intermittent problems are a pain to diagnose but id still check again for hard codes with a GM TECH 2 before i did anything else. 1st-2nd shifts late, 2nd-3rd shifts early, WOT shifts right at 3000 rpm every time. Today the Dexter tag axle brakes, and the HD rebuild kit for the 4L80e. Hopefully we can all stay healthy and get this figured out. The 4l80e driveshaft is longer than the 4l60e and this has to be considered when doing your swap. Usually if I step on the gas it shifts smoothly, and like you mentioned when towing it shifts beautifully. Nothing changes with the tps plugged in or unplugged. If the fluid level is low, there's not enough fluid to fill all these passages, and the transmission lacks pressure internally. The only way to retrive trouble codes is with a scanner such as Tech 2 , snap-on, otc or equivelent. Re: 4L80E Transmission Problems: james d smith: 7-25-08 : Thank you for taking my question,A friend of mine wanted to buy my 1994 gmc 2500 4x4 diesel 6. It slips in and out while on the highway. Product Name: Eat — STOP — Eat Click here to get Eat — STOP — Eat at discoun. Then he talks about the common problems found in this transmission and the solutions to those problems. Here's what the cable looks like set to WOT. My 4l80e shifts hard from first to second and wont go into overdrive its in a 91 r3500 with a 6. It suddenly shifts into overdrive which drops the engine rpm waaay down and starts lugging the engine. Our transmissions have withstood. No tuning is necessary, but the unit can be fully programmable based on load, speed and RPM. All these reasons mentioned above can cause the hard shifting automatic transmission problem. Our PerfectFit™ Conversion Kits come with all the parts neccesary to convert your Buick, Chevrolet, GMC, Oldsmobile, Pontiac and other General Motors cars, trucks and street rods into a modern overdrive 5 or 6-speed or 4-speed automatic. I tried emailing them and didn't get a reply. 4L80E series transmission Tow/Haul Mode, Displays Yes or No. This upshifts the transmission into 3rd gear. Hey MI GREEN ,lock up is not overdrive, 4th is overdrive, the 4th clutch is the only element that is exclusively used in 4th on a 4L80E meaning no other range uses the 4th clutch other than OD. Still not working correctly, changed filter, fluid, and vss sensor, shift is more firm but will not go into overdrive. I have found. Nothing changes with the tps plugged in or unplugged. Torqueflite / Loadflite A500-518-618-42R-44R-46RE-47RE etc Overdrive 1988 - 2007 (does not fit 2003-06 48RE). An Easier Way to Rebuild Planets. It does not include the converter cut and clean, or hard parts. What does that mean? This is a generic transmission diagnostic trouble code (DTC) and typically applies to OBD-II vehicles equipped with an automatic transmission. I'm just plain not smart enough to setup the tables. The truck is a great running truck, but shifts hard from 1st gear to 2nd gear. Extremely harsh shifts from P or N, normal shifts at WOT: EPC (Electronic Pressure Control) solenoid failed. we've had an m1115 hmmwv in our shop for about 2 months now with transmission problems and haven't been able to figure it out. after some hard offroading my 4l80e tranny has decided to stop shifting into second gear. It’s the only manual available for the 2003 Silverado. The year 2000 — a new millennium. You may have to register before you can post: click the register link above to proceed. Another possibility is the problem may be intermittent, or only occurs during a specific set of circumstances. It only throws the code once you are at cruising speed and everything is locked up. I'm sure it's the original trans. If the fluid level is low, there's not enough fluid to fill all these passages, and the transmission lacks pressure internally. Problem recently started with no changes to truck. It also normally will not go into 4th gear. What does that mean? This is a generic transmission diagnostic trouble code (DTC) and typically applies to OBD-II vehicles equipped with an automatic transmission. This is a computer controlled transmission first introduced in G. Save Engine Life minus 600 RPM's, Gear Splitter. No overdrive 4l80e 1997 k3500. i have a 1990 s10 4x4 with 4. Many parts interchange between the 400 turbo and 4L80E. It shifts just fine through the gears, but won't go into OD. He and the company. Torqueflite / Loadflite A500-518-618-42R-44R-46RE-47RE etc Overdrive 1988 - 2007 (does not fit 2003-06 48RE). Would a transmission flush. No SES, history of 68 code. Tests have proven that a 20 degree drop in transmission fluid temperature can double the life of automatic transmission components. Sonnax Sure Cure kit SC-4L80E, fully compatible with '91-later GM 4L80-E and 4L85-E units, is a comprehensive reconditioning package featuring the best Sonnax products developed to help rebuilders restore and enhance transmission performance. They drove it around and noticed that the computer reported no codes. This wide selection of parts are used in the GM 4L80E automatic transmission in GM C and K series pickups, Chevy vans including the express, Suburbans, School Bus, Motor Home, GMC Sierra and Savan's. "Select Tables Using Manual Mode Status" will choose the tablehard shifting 4l80e. I have a 97' TA (with a 4L60E) that won't shift past third (only shifts from 2 to 3). Restart, again starts in second gear I believe, I shift the shifter to 2nd, no change, Shift to 3rd, if its shifting I'm not super expressive. It shifts very hard through all the gears and especially hard on the 1-2 shift. I also verified I'm hooked up to the VSS and not the ISS. 700R4/4L60E's have a low 3. The biggest thing is the orificing. and the newer trans post 1998 i belive. Last two days been having a hard shift from 1-2 2-3. Installing the Go Shift Transmission Controller from FiTech for GM 4L60E, 4L65E, 4L80E, and 4L85E. You should contact an experienced mechanic when this happens. The Intermediate Sprag is Upgraded to 34 Elements, in turn increasing holding capacity. 00 Add to cart; 4L80E Overdrive Planetary. We compare design, practicality, price, features, engine, transmission, fuel consumption, driving, safety & ownership of both models and give you our expert verdict. 4L80-Es have been optioned only in Chevrolet/GMC pickups, vans, commercial. It won't shift out of first and I've done everything from replacing the TPS to testing the TISS and TOSS. CK Performance Engineering | 1330 Lincoln Ave, Suite 4, Holbrook, NY 11741 Phone: (631) 218-1989. To increase the volume of lube oil delivered to the overdrive section start by enlarging the feed passage with a. Dirty fluid can cause all kinds of shifting issues because it clogs up small passageways going to the shift solenoids. As the subject says. Dec 13, 2007 #1 I have a 93 GMC Sierra 6. The main advantage of the 4L80 is that is has a 0. 93 4L80E hard shifts/no overdrive. Late shifts, downshift clunk, 3-4 clutch failure, no lockup, 2-4 band failure, early shifts, 1-2 slide/bump, 2-3 cut loose; reverse clutch failure, 83-87 lets you make T. Bama Tune - Adjusting Shift Points and Overdrive I've been very disappointed with the way my automatic transmission shifts, both from the factory and after loading my BAMA tune, so I've been playing around with adjusting my shift points by contacting BAMA and talking it over with them on the phone. The 4L80E has a max torque rating of 440 lb. However, that only indicates 3 forward gear positons while the 4L80E has 4. Our transmission controllers are compact, packed with features, and have a built-in display for tuning as well as user-friendly software for more in-depth tuning. This is a brand new 4L80E Neutral Safety Switch MLP Sensor (PRNDL) One 7 Pin & One 4 Pin Connector It will fit 4L80E transmission years from 1995 and Up. I would guess easy on the gas as that's the way mine shifts if I'm taking it easy. 1997-2006 GM 4L80E; Full Manual Shift Pattern (P-R-N-1-2-3-OD) Aluminum; Each In the world of competitive drag racing, consistency is a major key to success. especially since I dont have that money to spend right now. Welcome to Bowtie Overdrives, home of the worlds finest GM Automatic Overdrive Transmissions. Good morning its Sunday and I installed the shift kit yesterday. We compare design, practicality, price, features, engine, transmission, fuel consumption, driving, safety & ownership of both models and give you our expert verdict. This transmission does not use a reluctor ring like the 4L60E. Re: Shifting hard after i changed the trans oil and filter it has the right amount of fluid in the transmission but it still shifts down hard from overdrive to 3rd gear. There are no codes when grounding the diag connector and reading the blinking CEL. Had transmission rebuilt. 2nd---4l80e was built wrong and failed within 200 miles 3rd--- tried a stock T-56 and tore the input teeth clean off 4th--- went back to a built 4l65e and its now broke within 1k miles now im finally going back to a 4l80e. When this condition is present (no 3-4 shift after 4-3 WOT), do you get these shifts: - 3-2 kickdown (WOT) - 3-2 part throttle (PT) - 2-1 PT - 1-2 PT - 2-3 PT If you get thes other shifts, then possibly the 3-4 shift valve may be sticking. My speedo appears to be off by about 5mph, if that matters. Tried speed sensor change= no change. Planet Gear #279740 $ 495. “The US Shift transmission control system can interface with any OEM or aftermarket engine induction system, including carbureted and diesel. Fast forward to today - we're seeing the events play out much. 4L80-Es were optioned only in Chevrolet/GMC pickups,2500 Suburbans, vans, and commercial vehicles. Average failure mileage is 105,450 miles. The fully configured ShiftPlus 2 electronic overdrive transmission controller is designed for use with GM 4L60E, 4L65E, 4L70E, 4L80E and 4L85E transmissions. Model 2000 GMC shifting problem 4l80e transmission. Mine was $1500 to get rebuilt. 010″ RACE ID $ 192. If you’re moving to a modern overdrive transmission, like we were with a 4L80E, things become a little more. It currently shifts a little hard going from 1 to 2nd. These vehicles use either a T-700R4(4L60) or an 4L60E automatic overdrive transmission. A guy on one of the truck sites needed a controller and wiring harness and found out the hard way. "Select Tables Using Manual Mode Status" will choose the tablehard shifting 4l80e. The Superior 4L60-E kit helps prevent premature wear of the forward sprag. 4L80E, unexplainable code 68 and weird 4-3 shift. Despite its name, the 4L80E is not an upgrade to its GM counterparts. This morning it started lurching hard when the transmission shifts into fifth. Other than the changes to the switch table for the 4L80E solenoid pattern, I've pretty much kept all of the trans tables the same as the 4L60E. The 1-2 solenoid functions exactly the same way. New Shift Solenoids New Lock Up Solenoid New Electronic Pressure Control Solenoid Much Much More !!! 4L80E $950up + t/con & electronics $1350 bench build 1997 back 4L80E $1850 installed + fluid (4x2 single tire) 1997 back with all new oem electronics, shift kit, T/con + fluid Building your good core. CALL 800-708-0087, Office Hours are Monday-Friday, 8:00am-7:00pm EST. I would typically start by checking to see if the brake light works. com or call us at 1-877-782-5582. 00 Add to cart; 4R100 4 Pinion Billet Overdrive Planetary Housing. Our 4L80e and 4L85E transmissions are one of the strongest in the world. REFerence NO. There is no overdrive. All these reasons mentioned above can cause the hard shifting automatic transmission problem. 00 Add to cart; 4L80E Overdrive Planetary. Ford Stick Shift Kits AODE-3. Jump to Latest Follow if i put the car in 4th and give it throttle it moves very slow but as soon as i move through the gears to second it shifts hard and starts going but only 2nd. I'm guessing that's lockup (torque converter). Ive read that the VSS in the rear diff sometimes goes out so I replaced that and nothing (its the same). It should have a code show up though if one was bad. Worked fine for about 50,000 miles and now won't go into overdrive. But if I had to back off the pedal, it would downshift back into 3rd, then later repeat the whole 4500 rpm over-rev maneuver to go back into OD. 00 third, and 0. Also sent out a couple units for adding tap shift to a Winters shifter for the 6L80e trans control. I've never working on a 4L80E, i'm just trying to find out where to start. It shifts very hard through all the gears and especially hard on the 1-2 shift. Has anyone else ever experienced. The 4L80-E (and similar 4L85-E) was a series of heavy-duty automatic transmissions from General Motors designed for longitudinal engine configurations. Because land one is. GMC 4L80E transmissions are automatic overdrive units with computer controlled shifting. I'm sure it's the original trans. 5 with a 4L80E that has started having extremely hard shifts and won't shift into overdrive. 0Lwith only 115000kms on it over the last couple monthsthe4L80 transmission hasbeenhaving really hard shifts after drivingon the highway for 30-40 min in D4 the engine light comes on and the code p1870 comes up on the. No check engine light, no codes. I pulled the codes out of the transmission and it comes up with code 68. Fix that problem and replace these as a precaution. 00, plus 'hard parts', if any (Based on customer supplied core) Please note, hard parts for the 4L80E can get extremely expensive, so we cannot offer a "ceiling" on hard parts cost for them, as we do other units. I have a 2000 chevy crewcab 4x4 3/4 ton old body style. Torqueflite / Loadflite A500-518-618-42R-44R-46RE-47RE etc Overdrive 1988 - 2007 (does not fit 2003-06 48RE). YEAR PART NO. DODGE JEEP TRANS TOW BIG TIRE HARD USE EXTREME OVERDRIVE - $750 (A+ BBB RATED !! UP GRADED SOLUTION !!) * Transgo Shift/Valve Body Kit * Sonnax Line Pressure Boost Kit ALSO Available JEEP 4l80 4l80e 6l80 6l80e 6l90 6l90e Allison dodge ford ,mercury pontiac buick olds oldsmobile cadillac f250 f350 f450 f550 super duty 7. 75:1 overdrive. This article applies to the Chevrolet Silverado GMT800 (1999-2006). MT1– This is the 4L80E automatic transmission. 1st-2nd shifts late, 2nd-3rd shifts early, WOT shifts right at 3000 rpm every time. 4L80E Shift firmness I'm trying to firm up the shifts on the 4L80E in my swap truck. This is for those guys who are running MegaSquirt, carb or something other than a factory computer for their engines. Trans shifts great, no hard shifts, no delays, no slipping, and no codes popping up. Good morning its Sunday and I installed the shift kit yesterday. Ground is provided by the vehicle PCM in a specific sequence to control shift scheduling (figure 1). 4L80E Transmission Shift Kit Valve Body Repair Kit 1991-2009 fits GM Transgo. This transmission is similar to the TH400 except that it is electronically controlled and has an overdrive. Other than the changes to the switch table for the 4L80E solenoid pattern, I've pretty much kept all of the trans tables the same as the 4L60E. It shifts very hard through all the gears and especially hard on the 1-2 shift. There was alot of fine material on the magnets, but no chucks. We also offer Full Manual valve bodies or stand alone transmission controllers to run them. The solenoids are both powered with system voltage when the ignition is on. Almost gone. So, automatic transmission shifting hard might lead you to this worse scenario. The 4L80E uses shift solenoids A and B to control upshifts and downshifts in all forward ranges. Less is better to a point. When i pushed down it hard it did kick down. Fix as soon as possible or hard parts will eventually break. 26853KA E4OD Transmission overdrive planetary kit 1994-98 12 roller sprag type, 4 gear aluminum overdrive planet, overdrive sun gear, overdrive ring gear, overdrive outer sprag race, overdrive center shaft with bearings and thrust washer. Pandora founder Tim Westergren maxed out 11 credit cards to keep his music-streaming service alive. Marsha's WhatsApp group went pinging into overdrive as soon as it was announced that primary schools and nurseries would reopen for some children on 1 June. 1060680 1991-1995 4L80E Stage 1 Stock HP Kit All parts to repair stock unit (no Hard Parts) including, Master Rebuild Kit, Steel Sub Kit, Moulded Piston, Bushing Kit, Rear Bearing Kit, Rear Band (High Energy), Front Band, Overdrive Roller Clutch Sprag, Heavy Duty Intermediate Sprag 34 Elements, Reverse Boost Valve, “A” Shift. This is a computer controlled transmission first introduced in G. Runs like a champ! Only problem is, it shifts really hard and it won't go into overdrive. CAUSE: Bottom broken out of actuator filter Or, O'ring not installed on filter. 4L80E stuck with only 2nd gear and reverse. It’s a plus in any application. My speedo appears to be off by about 5mph, if that matters. Load or no load. It renews the warranty. The 45RFE transmission is a five speed automatic transmission however when you drive the vehicle you will actually have 4 gears and lock up. From interactive touch screens and in-store greenhouses, to wine bars and guest chefs, retailers could transform the boring chore of getting groceries into a food and shopping adventure for their customers. After five years, most of the issues with these trucks had been worked out. To mate our 4L80E to the NP203, we changed the NP203's input gear to a 32-spline TH400 unit, ordered a factory 4L80E transfer case adapter on eBay, and redrilled the face of the 203 to a new. All other gears incl reverse at speed are fine. NOTE: Pre-1993 4L80E transmissions will need to have an updated internal harness/connector installed to be compatible with the TCU harness. The 4L80E's ratios from First to Reverse are: 2. I have heard that these trannies are not to. 2000 transmission shifting hard. The 4L80E is just a longer, heavier, overdrive version of the TH-400.