4l80e Hard Shifting Problems



His were having trouble at a lot less than 190K though! The 4L80E is a tough transmission; it sounds like yours has been taken good care of. All shifts are great except the 1-2 shift. I have done shift kits before and they would shift firm and hard. and I am in stop and go traffic, it shifts hard into 1st and 2nd. For the car crowd, a quality transmission needs to shift hard, hold big power, and take a beating. I did find and fix the shifting problem I was having, here are the details. 3-4 shift valve. Scan tool data reveals the shutt le shift being commanded by the PCM. As this one has been service properly and never used to pull over 6000# and did that rarely. There was a problem completing your request. from what i was told, it could. The baddest of the bad, this is a non-electronic 4L80E transmission. When going from park to either reverse or drive it slams into gear. 4l80e Transmission Problems » welcome to our site, this is images about 4l80e transmission problems posted by Benson Fannie in 4l80e category on Sep 28, 2019. It won't stretch out or snap easily even with prolonged use. A: Quick Answer. After spending about 3 hours internet researching ATF leaks in the 1992 Chev 6. Transmission turbine speed input or out put sensor faults will confuse the transmission and cause erratic shifting. EGR valve spring weak causing lean burn miss in engine, feels like a miss but runs great otherwise even at stall. Modern transmissions shift so softly and smoothly that we often forget they are even working. 4L60 (700-R4) Diagnosis Fundamentals. On the way home I put it in TOW/Haul mode, and the CEL did not come on until I took it out of Tow/Haul about 1/2 mile from home. I have a problem with my automatic transmission and from my research on the 722. I put a GV behind the T400 in my '89 and love it. All new shift solenoids are installed to ensure positive shifting. This is a very easy check. Hi all, I recently swapped out the harness and solenoids (solenoid kit) on my 4L80E. then I still had the problem that the 50kPa at idle was causing a 50% lead reading, so the transmission would shift late and hard. If your 4L80E is slipping, overheating, shifting irregularly or making noise, you should have it repaired before or, in conjunction with the installation of your B&M 4L80E Shift Improver Kit. I would go gas if that was my budget and trailer weights. The Chevy's automatic transmission may have problems shifting from first to second gear with a hard jerking. I have a 1993 chevy 2500 and it has the 350 5. The truck is a 2002 chevy silverado 2500HD w. I've read that some of the numbers in the tables have to be changed or "zero'd" when running a shift kitso I'll have to look in to that morebut right now I need to find someone that can do a tune, or someone that knows whats going on more that what I do(which isn't much) to fix my problemsfirst gear shifts way too early, overdrive shifts late. The truck is an '00 GMC Sierra 2500 6. Re: 4l60e shifting problems: Teddy Spivey: 11-17-09 : I have a 95 SS, my problem seems to occur at the shift between 2nd and 3rd when i'm really on the gas. lockup-no wires needed GM Chevrolet Chevy 4L60E 4L65E Transmission Parts. No need to panic yet. My trans, once in a while, shifts hard b/w 1 and 2, if it ever reaches 2nd gear. That wiring diagram is the same one that I have, only mine has highlighter marks all over it. After it has made a few shifts, it's hard as hell. The transmission provides firm shifts and features a standard. If the transmission is shifting properly, it should be in 4th gear by the time you reach 45 to 50 mph on level ground. The truck eases around great. Recently the center support bushing for the 4L80E have become hard to get, Omega Machine to the rescue. I have a 01 2500 HD with a 408 and a T-trim at 12 psi. 4L80E Brand New Solenoid Master Kit With Internal Harness This will fit 4L80E Models 1994 to 2003 Great product eliminate hours spent trouble shooting the cause of your electrical issue by covering all the possible culprits here. The trans has an updated TransGo HD shift kit, drilled to the middle setting. Bt good newsI think I solved 90% of my problem. Eliminates Soft 2-3 Slide. 47, mine is 1. If the Ford style is used, the 2 inputs not used for shift lever position determination can be used for datalogging voltage signals (temperatures, TPS, MAP, etc. if you are under hard throttle, the shift is a bit smoother. I have gotten a couple of questions on how I was able to bypass the auto trans controls on a stock 3800 PCM in order to prevent early rev limiters and other drivability issues it had when I was not using an electronic automatic transmission. Click on our transmssion controller link for more information. The problem was actually in the transfer case not in the transmission itself. Lets first talk about the difference between a 4L60, and a 700-R4. The first symptom was ever now and then when the tranny would downshift to pass on the freeway it wouldn't go back to O/D. This service includes all new frictions, steels, bands, shift solenoids, rebuild labor, and dyno time. A hard shifting transmission is a symptom of several other distinct issues. Standard gear ratio is the OEM 2. Most motorhomes with the MD-3060 transmission have the touch pads so we will focus on that type. 4L80E Performance Specs The 4L80E is a manual transmission that has a maximum engine input torque of 440 lb-ft and is capable of providing an output torque of up to 885 lb-ft. Twitter Facebook YouTube Instagram. The Gm 4l80E transmission is found in Chevrolet and GMC pick ups, G vans and commercial chassis with GVW of 8600 or greater from 1991 and up thru 2006, Isuzu NPR and NQR trucks as well as GMC/Chevrolet W3500 and W4500 trucks with either the 5. Most common is a hard shift from 1st to 2nd gear. Then it started shifting incorrectly again. transmission shifts hard - 5. 4L80E transmission hard parts,4L80E transmission parts Shift Kit Transmission Valve Body Kits Transgo Shift Kit. Mine was $1500 to get rebuilt. Powerglide, Three Speed, or up to six speeds with Clean Neutral or Reverse patterns no problem!. NEWS: Regulators probing gear shift trouble with GM cars YAHOO NEWS -- November 14, 2011 – Federal safety regulators are investigating problems with the automatic shift levers on several General Motors cars because drivers may think the cars are in park when they actually are in gear. Has the potential to leak about a pint of ATF onto the ground where you park, and if it's really dirty under there, it may not be obvious where it's all coming from. Off-Road Forums & Discussion Groups > Chevy and GM > GM Standard IFS Trucks & SUV's > 4L80E 4th gear shifting problem The tranny seem to shift rather hard if I am. I'm having shifting problems during hard acceleration from a start and when tring to accelerate when already at a speed when the transmission downshifts. I build 4L80E's electronically or manually controlled and I can set them up with a full manual VB that has mild shifts at light throttle and hard shifts at WOT with or without lockup. Does anyone tow with a GM 4L80E or 4L85E auto? I have a 95 K2500 6. This pressure tries to upshift the 3-4 shift valve, but can't because D3 pressure and the spring are keeping the valve. So be careful. But after turning the motor off and sitting for awhile, it'd be back to normal. Shiftworks® sells shifters, parts, and accessories to adapt your car's shifting mechanism to accept many GM Automatic Transmissions (from Powerglides to 6L80E's). Gears not engaging when engine is running. I have the WOT shift parameters set to 1-2 @ 6000, 2-3 @ 6400, and 3-4 @ 6000. And I can have 170 miles left to empty and within 30 miles it drops to 20 miles til empty. If you own a Ford Taurus and the vehicle is shifting hard into 2nd gear or the shift is occurring late, here’s how to check it out. 5 turbo diesel my transmission 4L80E shifts very hard and my boost turbo sensor the check engine light is on and it says transmission pressure solinide and the turbo boost senser the transmission solinide was changed and the turbo boost senser too and it still shifts hard i would like to know if it is a electrical problem. I'd not on my Suburban's 4L80E. Second the automatic transmission is shifting hard from 1st to 2nd and from 2nd to 3rd, I am forced to shut the engine off for a couple of minutes and when I restart the engine the problem disappear, I have read your safety bulletins and gm is aware of these problems. Transmissions, Racing Transmissions, C4 Transmissions, C6 Transmissions, AOD Transmissions, AODE Transmissions, 5r55 Transmissions, Valve Bodies, Bellhousings, Torque. I put in a rebuilt trans at 233k purchased from the dealer. or stuck off) and also P1870 ( Trans. Some of the shifts were so hard it felt like it was going to rip the U-joints out. The 4L80E service will be $1250, not including any parts upgrades or shipping. Transmission shifts late Fix Ford Taurus transmission that shifts late and hard. I have read many of the e39 LS swaps on this forum and i have been owning a e39 for just around a year now and finally bought a lq4 from someone in Dallas. 5L diesel engine and 4L80E transmission. My 03 Silverado with the 4L60E has a hard 1-2 shift. Or you can jump up a level, installing the much more robust and heavy duty GM 4L80E in place. It slips in and out while on the highway. This list is merely a guide to the possible solutions. Every now and again it will shift hard from park to drive. Like it needs to shift. Twitter Facebook YouTube Instagram. Codes can be cleared by. 4L80E TCC Regulator Valve Assembly Drop-in fix TCC slip codes. I've read that some of the numbers in the tables have to be changed or "zero'd" when running a shift kitso I'll have to look in to that morebut right now I need to find someone that can do a tune, or someone that knows whats going on more that what I do(which isn't much) to fix my problemsfirst gear shifts way too early, overdrive shifts late. GENERAL 4L80E INFORMATION B&M’s 4L80E Transpak Kit was de-signed to provide firm positive shift quality and improve transmission du-. Click on our transmssion controller link for more information. Pulled the codes and got P0741 (tcc perform. my fluid is clean, no burn smell i drove home from the desert and the tranny was shifting perfectly fine ( this was on a saturday). No Core Charge. 7L pick up, van, SUV. Could stop and restart and all would be good for 10-15 minutes then it would happen again. 3-4 clutch pack kits. The Gm 4l80E transmission is found in Chevrolet and GMC pick ups, G vans and commercial chassis with GVW of 8600 or greater from 1991 and up thru 2006, Isuzu NPR and NQR trucks as well as GMC/Chevrolet W3500 and W4500 trucks with either the 5. 3 L engine (from 2002 Silverado) with a 4l80e transmission shifting hard from 1st to 2nd gear. If the command is given barring any mechanical failure clutches, Band ETC the transmission must make the shift or slip and burn. It is a 1991 Suburban, 3/4 ton, 4X4 with 244k miles. if your taking it easy, it slams into gear. I have the WOT shift parameters set to 1-2 @ 6000, 2-3 @ 6400, and 3-4 @ 6000. Hard shifting could indicate low or over worn transmission fluid. The truck is an '00 GMC Sierra 2500 6. 5 turbo diesel my transmission 4L80E shifts very hard and my boost turbo sensor the check engine light is on and it says transmission pressure solinide and the turbo boost senser the transmission solinide was changed and the turbo boost senser too and it still shifts hard i would like to know if it is a electrical problem. A mechanical failure of the shift solenoids or TCC PWM solenoid valve can set DTC P0894. The combination works really well exept for the lockup converter it locks at around 70mph even though I set it up to lock after 50 mph in the controller. Recently the engine is revving higher than normal before it shifts, sometimes I have to let off the pedal to get it to shift. The hard shifts you are experiencing could be due to a few problems, but it is always good to start with the basics of a fluid and filter change. Look on craigslist if it needs to be replaced. Transmission problem 2000 Chevy Silverado V8 Four Wheel Drive Automatic I have a 2000,2500 HD 4X4 4 speed auto I live in a area that is 4700 ft above sea level, it seems like ever time I change alitudes above 4700 my trans starts shifting so hard it will snap your head, after awhile it will settle down and shift normal shifting pattern is perefect, no check engine light, no noiseI am wandering. Standard gear ratio is the OEM 2. Started last summer pulling the travel trailer. 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. My trans, once in a while, shifts hard b/w 1 and 2, if it ever reaches 2nd gear. Chevrolet Impala Problems with Transmission Pressure Control Solenoid. They should always be checked first if you are having a shifting problem. When shifting into low grear with the shifter it holds good and works 1st grear good so I know the low/reverse band is working. For the PRNDL shift indicator, that could also be because of the cluster being bad, but can also be a bad gear indicator switch on the side of the transmission. This condition can be caused by the torque convertor clutch applying during the shift. Then it started shifting incorrectly again. I'm having shifting problems during hard acceleration from a start and when tring to accelerate when already at a speed when the transmission downshifts. Because land one is ground flat, oil flows behind the valve and is trapped because hole 22b is plugged. Transmission problem 2000 Chevy Silverado V8 Four Wheel Drive Automatic I have a 2000,2500 HD 4X4 4 speed auto I live in a area that is 4700 ft above sea level, it seems like ever time I change alitudes above 4700 my trans starts shifting so hard it will snap your head, after awhile it will settle down and shift normal shifting pattern is perefect, no check engine light, no noiseI am wandering. If you can't find a problem, and the transmission seems to shift okay, keep a record of your test results, and return the car to the customer. Most shift kits recommend a hole that is too big. I put in a rebuilt trans at 233k purchased from the dealer. Examine your purchase. TRANSMISSION REMOVAL Raise vehicle and place securely on jack stands so that there is at least 19“ of clearance at the side to enable removal of the transmission from beneath the vehicle. Buy B&M 118002 Transmission for GM 4L80E: Hard Parts There was a problem adding this item to Cart. Kit Contains (1) 1-2 A Shift Solenoid (OEM # 24230288) (1) 2-3 B Shift Solenoid (OEM # 24230289). 4L80E WOT Shift Issues I went to the track last week and noticed that during a pass the transmission would go from 1st to 3rd, then back to 2nd then 3rd again. Had a similar problem at 1400 miles on 2014 Big Horn 5. TransGo®, Mr Shift®, Shift Kit® and Reprogramming Kit™ are registered and licensed trademarks. 10396 State Route 56 E. If the Ford style is used, the 2 inputs not used for shift lever position determination can be used for datalogging voltage signals (temperatures, TPS, MAP, etc. Resolves Bang 1-2. Most shift kits recommend a hole that is too big. Drill 2 holes for the new master, make a little flange/arm for the master, and put it all back together and bleed the system!. 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. Re: 4L60E Hard Shifts 11-13-04 10:14 PM - Post# 552071 In response to kingb36 Howdy king and welcome to CT, I will bet a code scan of the truck shows a P1870, there is a kit to fix this problem with your transmission. Get the best deals on Complete Auto Transmissions for GMC Savana 2500 when you shop the largest online selection at eBay. The shift solenoids and lockup solenoid all share the same power supply. I asked FLT about it, and even though they tell you up front they just do the hardware, Andy had me send my program to him so a buddy of his that uses EFI Live could peruse it. No need to panic yet. Hard shifts are often caused by higher than usual line pressures in your transmission which could be caused by sticking valves in your valve body or dirty fluid. The 4L80E transmission is known for sensor problems. The intermediate sprag is upgraded to 34 elements, in turn increasing holding capacity. Most motorhomes with the MD-3060 transmission have the touch pads so we will focus on that type. after some hard offroading my 4l80e tranny has decided to stop shifting into second gear. if you see no fluid try to drive it with the plug unplugged in reverse. this is a computer. I have adjusted all the tables I understand with no luck. Of course, this conversion will also require a new driveshaft as the 4L80E is longer than the typical short tailshaft TH-400 that is currently in your car. The 4L80e's first and second gear ratios are much closer, which yields a much more pleasing 1-2 shift. If max pressure is low, check EPC solenoid. Chevrolet 4L60E Transmission Common Problems and Fixes. 48 for 1st gear, mine is 2. 4L80E Brand New Solenoid Master Kit With Internal Harness This will fit 4L80E Models 1994 to 2003 Great product eliminate hours spent trouble shooting the cause of your electrical issue by covering all the possible culprits here. Re: 4L60E Hard Shifts 11-13-04 10:14 PM - Post# 552071 In response to kingb36 Howdy king and welcome to CT, I will bet a code scan of the truck shows a P1870, there is a kit to fix this problem with your transmission. 30 Common 4L60E Transmission Problems & Repair | Charlotte NC. No need to panic yet. They allow a car to run deep rear gears for tire-smoking or wheel-hangin' launches yet still. This Shift Correction Kit from Superior will improve all 4L80E Transmissions from 1991-2005. The hard shifts you are experiencing could be due to a few problems, but it is always good to start with the basics of a fluid and filter change. Rescan the PCM for trouble codes, if none appear the problem could have been a onetime occurrence. Drive the car to reproduce the problem. The EZ-TCU package comes complete with a harness and shifter. Does anyone know what the problem could be?. The automatic transmission remaining momentarily in neutral, after we shift into gear, means we have a delayed engagement. i rebuilt mine myself, with a Compushift controller, 10" FTI converter, and Transgo HD 2 shift kit-other than changing all the bushings, sprags, good clutches, larger front stater bushing and rear anti walk washer, just a basic rebuild and stock hard parts-it was a 2004 unit, so had most of the factory upgrades-im making 569 RWHP, beat on it pretty good so far, guess i'll find the weak parts. No one seemed to have a solution or found a reason for TPS codes. Common Chevy Silverado 2500 HD Transmission Problems. These problems can be caused when the external sensors on the vehicle go bad. The transmission provides firm shifts and features a. No need to panic yet. Shifts into second, then doesn't shift up any further. 46781C 4L80E/400 Transmission Direct Drum. can be programmed for various transmission types and gears. 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. These problems with the trannys are very frustrating not to mention expensive. 4L80E Automatic Transmission to fit all car and truck applications * This is a generic listing we will obtain your Vin number in order to ship the correct unit to you Fully remanufactured valve body, with complete system correction and recalibration kit, improves pressure control and shift quality. Get in touch with the seller as quickly as possible if you learn a problem with it. The problem is that the lock up clutch goes bad. A cheap and easy fix if your 4L60E automatic trans is shifting hard or shifting late. transmission shifts hard - 5. Adjustments are made with the engine off. Symptoms: -delayed engagement when shifting from park/reverse into any forward drive range. Most were from the 90's and early/mid 2000's though. Common 4L80E Problems. Step 5 Adjustments of the TV Cable on a diesel engine. The Transmission Rebuilders Network is the place where the industries best transmission rebuilders work together to help solve the most complex automatic transmission problems. A cheap and easy fix if your 4L60E automatic trans is shifting hard or shifting late. The hard shifts you are experiencing could be due to a few problems, but it is always good to start with the basics of a fluid and filter change. 48 second, 1. and the 4L80E has two speed sensors, an IN and an OUT. I have found that if I shut it down and restart it works fine. Look on craigslist if it needs to be replaced. I'm thinking coincidence but I thought it was funny. light duty trucks for 1991. This is a computer controlled transmission first introduced in G. It also slams into 4th at part throttle sometimes. The breakouts for 4L60E vs 4L80E are 3. We are now featuring the 4L80E transmission for sale with a huge list of upgrades. Drill 2 holes for the new master, make a little flange/arm for the master, and put it all back together and bleed the system!. The trans has an updated TransGo HD shift kit, drilled to the middle setting. 4l80e stuck in limp mode. I always tow in OD no problem but my trans came out of a '99 3500HD tow rig. 7 liter gas engine or the 6. My transmission finally gave up and I had to replace my transmission. P-R-N-D work, upshifts are erratic and occur at random engine speeds, will not upshift from first gear (no upshifts at all): This problem seems very serious in nature but in fact this is something very simple to fix. Yes you can mate the 4L80E to the NP205 as I did with my 1980 Chevy 4x4 with a 1996 5. this really wasn't hard at all. light duty trucks for 1991. This is a fairly common problem with these vehicles and in most cases easy to cure. Gear Shift Moves, But Car Won't Drive. I asked if a drain and fill w/new fluid would help. I put in a rebuilt trans at 233k purchased from the dealer. The Gm 4l80E transmission is found in Chevrolet and GMC pick ups, G vans and commercial chassis with GVW of 8600 or greater from 1991 and up thru 2006, Isuzu NPR and NQR trucks as well as GMC/Chevrolet W3500 and W4500 trucks with either the 5. made of solid bronze and ready to ship. The GM 4L80E Automatic for Max Power and Good Cruisin' Overdrive transmissions are great inventions. This manual can be used in collusion with any type of scanner utilized in retrieving these codes from the computer. Chevy Transmission Problems and Symptoms. Modern transmissions are computer controlled, but if you are working on your tank (they made transmissions for them in WWII) or your classic vehicle you may wish to take a look at the vacuum lines. No overdrive, Hard shifting 4l80e I have a cuple problems My 1993 Chevy k2500, 6. - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. 4L80e swap, won't shift 1>2 WOT Ok first off it's an 04 Silverado 1500, I'm using EFILIVE with custom OS 2, and of course I did the 4L80e segment swap. and have seen many differing thoughts on what could be causing the problem. I've changed transmission fluid which also helped a bit for about 2 months, then back to the hard shifting. I have a 95 Camaro z28 wit the 5. If the problem returns, you can compare the new condition with the original tests, to find the problem. The transmission fluid is full and not dark colored, but I have no idea when or if it's been. show more My rig is a 1997 Chevy 1500 Silverado z71. Common problems are: Check engine light comes on. The GM 4L60E/65E/70E-4L80E/85E Diagnostic Code Book is designed to provide the technician with a step by step diagnostic approach to each and every transmission code available from 1991 to the 2007 model year. TransGo®, Mr Shift®, Shift Kit® and Reprogramming Kit™ are registered and licensed trademarks. Pulled the codes and got P0741 (tcc perform. when I put it in drive I dosen't even feel like its going into drive. 7L Vortec, 4L80E, and NP205. Not only is it ridiculously easy to eclipse the 500 hp mark with either an LT1 or LS1 Camaro, the fact that fourth-gens are already anywhere from 7- to 16-years-old—and usually have tons of miles on the clock—only compounds matters. I have been chasing a hard shifting problem in my 4l80e for awhile now. Next snapping shifting. 5L- (F-code, HO) TD with a 4L80E auto and 4. Also trucks that old will have high mileage and probably be starting to need lots of expensive repairs. This set contains the two 4L80E transmission shift solenoids found in the valve body. We did change the Pressure Control Solenoid Valve Assembly #320 and it did have an immediate difference in the "feel" of the vehicle, but did not change the problem. hard shift when hot Intrigue Car Forums. But, GM had been in transmission limbo, so to speak, needing a modern transmission to fill the duty gap between the excellently versatile 4L60E (and its tougher 4L65 & 4L70 variants) and the Allison transmissions. Each shift event in the 4L80e transmission is a clutch-engagement, rather than a band engagement or combination of the two as in the 4L60e. When you work with Trans Works you’ll be working with a company that has been serving the Reedsburg and surrounding area since 1981. Eliminates Soft 2-3 Slide. The 2011 Chevrolet Cruze has 33 problems reported for transmission not shifting properly. When I first start it, it shift nice and smooth through all of the gears. My truck is a 1996 GMC 3500 dually, 4x4 crew cab. 4L80E torque lockup problem I have a 4L80E with a GM Performance controller. A plus over the 4L80E is that you can split shift it and make a 5 speed out of it, and I actually do that. The kit comes with all of the solenoids (4 total including the 2 shift solenoids, TCC/PWM solenoid, and pressure control solenoid) needed for this electronic automatic transmission. Get the best deals on Complete Auto Transmissions for GMC Savana 2500 when you shop the largest online selection at eBay. I put a GV behind the T400 in my '89 and love it. The truck has 100,000 miles on it and has been used hard. Most modern vehicles are equipped with a wide assortment of sensors, including those that control how and when your car's transmission shifts. the problem: 4l80e tranny sometimes slips out of overdive then shifts hard after coming to a stop and taking off. First, you might start the truck by holding the shifter for the transmission hard to the left (toward your leg) while in neutral or park. If you're just needing the ISS pigtail only, please call us at 765-378-4908 to order. possible 4l80e problems after HD-2 shift kit install Installed the transgo shift kit in my 4l80e and I'm not sure if its working right. Here's the weird part. 2/4WD speedometer scaling and switching between independent 2 shift tables using a digital input,. their recommendation: just keep driving it till it dies. Maybe the computers super hard shifting from 1 to 2 made this happen? I thought by switching to the 4L80E it would fix my transmission issues. Let's just say that when the time comes for my built 4L80E,he is going to be heavily involved. I have been chasing a hard shifting problem in my 4l80e for awhile now. 4l60e, 4L80E Transmission. These vehicles use either a T-700R4(4L60) or an 4L60E automatic overdrive transmission. Depending on the type of scan tool you're using (either a generic scan tool or a professional level technician's scan tool), these two solenoids will be called shift solenoid A and shift solenoid B or 1-2 shift solenoid and 2-3 shift solenoid. The Transmission Rebuilders Network is the place where the industries best transmission rebuilders work together to help solve the most complex automatic transmission problems. Drive the car to reproduce the problem. My transmission finally gave up and I had to replace my transmission. transmission shifts hard - 5. Most shift kits recommend a hole that is too big. But if you want to throw parts at it, replace the TCC PWM solinoid first and get back to me. A hard shifting transmission is a symptom of several other distinct issues. I have a 95 Camaro z28 wit the 5. A transmission can prompt a whining noise if the operating system has malfunctioned, the gears are not operating correctly or the transmission fluid needs to be changed. Somehow, it can shift your car from gear to gear, knowing how fast you need to go and how quickly you need to get there. 5L turbo Diesel. 3 L engine (from 2002 Silverado) with a 4l80e transmission shifting hard from 1st to 2nd gear. This manual can be used in collusion with any type of scanner utilized in retrieving these codes from the computer. Trust me I have tried and it takes hours just to install the kit. Re: 4l60e shifting problems: Teddy Spivey: 11-17-09 : I have a 95 SS, my problem seems to occur at the shift between 2nd and 3rd when i'm really on the gas. 6, I am having shift flares from 2-3 (in between shifts from 2 to 3, there's a slight high rev) and 3-4 (having high revs before engaging) and lately it has been going into limp home mode frequently. Hard shifting could indicate low or over worn transmission fluid. I have a 95 Camaro z28 wit the 5. 4L80E TCC Regulator Valve Assembly Drop-in fix TCC slip codes. [Archive] Stock questions/aftermarket mods. 1L quantity This problem is the NUMBER ONE most overlooked. The 4L80E is an automatic transmission that was designed to be highly durable. Transmission Fluid Leaks Always check the transmission fluid level in your Chevy. Transmission turbine speed input or out put sensor faults will confuse the transmission and cause erratic shifting. Etc rate limit hptuners. Short firm shifts with performance, durability and class, assures lube flow under any load, reduces killing engine in reverse. Move the shifter into neutral and then shift back into overdrive. 1-2 and 2-3 shifts are also harsh. Halfway to destination started shifting hard up and down in all gears. took 5 mins. Shift feel and shift points are easily adjustable with a laptop connected to the Quick 6 controller. Our bushing is U. Why does my transmission shift so hard after I have been driving for a while? My rig is a 1997 Chevy 1500 Silverado z71. - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. Rpm was also higher than normal when it banged into second gear and lock-up was`nt engageing when it should. No more bound or frayed shift cables to impede proper shifts or refilling empty CO2 bottle. Just thought i would share some of my experience with the 42RLE and PCM. you can feel and hear the shift, its a pretty good clunk. Off-Road Forums & Discussion Groups > Chevy and GM > GM Standard IFS Trucks & SUV's > 4L80E 4th gear shifting problem The tranny seem to shift rather hard if I am. As of 2014, some common problems with the Chevrolet Impala transmission include rough shifts and transmission failure with the 2005 model, and roll away risks due to an issue with the transmission shift cable adjuster unlocking from the transmission shift lever with the 2014 model. It is a 1991 Suburban, 3/4 ton, 4X4 with 244k miles. It would probably be a good idea to check the throttle position sensor and see if it is within it's normal operating parameters. 4l80e Transmission Problems » welcome to our site, this is images about 4l80e transmission problems posted by Benson Fannie in 4l80e category on Sep 28, 2019. Notice: Undefined index: HTTP_REFERER in /home/baeletrica/www/rwmryt/eanq. Truck has the 6. Only problem is, it shifts really hard and it won't go into overdrive. If the sensors are not receiving the correct signals and readings, it can lead to shifting problems. To see how frequently GMC Sierra 1500 problems occur, check out our car reliability stats. Shift suddenly become very hard. Hard shifting may be caused by a slow sensor or one that is transmitting the wrong signals from the. Rpm was also higher than normal when it banged into second gear and lock-up was`nt engageing when it should. The truck shifts fine initially, then when the transmission warms to 150 deg. from what i was told, it could.