6l80e Wont Shift, 2010 Camaro ss, heads, cam, boltons, I had the whole tune nailed down pretty well, then I slapped a 175 shot on the car and it wont shift at wot at all. Noticed predominantly after driving for a period of time and warmed up. Then it will try to shift into 3rd and act like it’s neutral. 190,000 miles. long story Recently I had the transmission in my 2011 Silverado go out. It was General Motors’ first fully electronically controlled heavy duty transmission. If you tow/haul frequently, or nee Recently rebuilt 6L80 (clutches, steels, bearings, pistons, seals, zip kit, cooler thermal bypass, and torque coveter). 0 reactions · 15 comments 󱎖 Diagnosing delayed shift and slam into gear issues in 2016 Tahoe 5. Just cannot for the life of me get it to shift the way it should under very light throttle on the 2-3 and 5-6. Chevy and GMC trucks with 6L80E or 6L90E transmissions are known for common issues. 3 6l80e, tsp 220r cam dod delete, magnason supercharger. I've messed with the A6's quite a bit, and the volume tables in that shift always . PSIconversions has a universal paddle shifter kit here: TAP-1000 | 6L80E/6L90E PADDLE SHIFTER KIT WITH DISPLAY (psiconversion. Only problem I'm having is when I shift into drive, trans stays in 4th gear all 6L80 giving you problems? This ultimate guide reveals the most common failures, how Monster fixes them, install steps, and when a reman beats a rebuild. The valve body has two pieces, upper I have a L77 6. Benefit from proven repair techniques I didn't mention before, but the 1-2 shift was shifting harder than normal along with the 2-3 shift I had originally written about. As an example - at a full stop, the transmission will usually downshift into 1st gear - which Honestly I believe these transmissions have a lot to be desired in the shift quality department. C6 Tech/Performance - 06 6l80e trans shift problem - I'm having a shifting issue with my car and was hoping somebody here could help or has seen this problem before. It has only 20,000mi and has not been modified or taken off road (I know why did you get the All Terrain then). 3 6l80 transmission Dillon Rylant 6L80E TRANSMISSION PROBLEMS, CAUSES & FIXES 26w · Public Been going to the drag strip multiple times now and having a hard time getting the transmission to shift from 1-2 and 2-3 where I want it to. 2011 1500 Silverado 5. it pulls timing for the shift but I'm hoping someone here has a possible solution . If you have a GM Truck or Van with a 6-speed transmission, built after 2006, these issues are likely to affect your truck. In R, N, and D it will roll. It essentially just revs or pops out of gear and into neutral from a stop. 6K views 12 replies 9 participants last post by PontiacManiac09 Nov 14, 2023 G8-4-Speed I'm having a bit of an issue with the 6L80E in my 2008 Yukon Denali. I tried changing full throttle speed and rpm, The 6L80 transmission has a reputation—and not the good kind. Lurching while coming to a stop, like you got rearended. - Pulled apart the valve body. One of the most common is the premature failure of the 6L80 torque converter. This guide cuts through the noise to show you what’s One of the most common 6L80E transmission problems is the failure of the stator support seals, and cracking of the stator support shaft. Also, when in park, the car doesn't roll. Now if I log a 6 to 5 shift without it calling for the converter to unlock in 6th I get a fairly smooth shift without all the flair. 3. The National Transmission solution to fixing GM 6L80 and 6L90 Transmissions? Thicker steel and better welds. Every 6L has a weird drop in volume on that shift, and although you say it's not flaring, that could be due to your trans mods. If I take off and keep constant or heavier throttle, shifts nice and firm, A long time ago, an old man once told me, “if you think you know everything there is to know about transmissions, it’s time to find a new profession. i just did Complete Guide to Tuning the 6L80E Transmission - Part 2: Shift Time and Pressure I have a 2011 Chevrolet silverado 1500 6. Use 2wd almost exclusively, 4-hi maybe once a week during for very short In this video, i go over 2 very common problems with the 6L80E that would cause no forward movement. First is a shrunk down #1 checkball and the 2nd is a cra When the Service Fast Learn (SFL) procedure was attempted to reset the shift adapts, it would abort approximately half way through the process. Find out how to fix these issues and upgrade for better performance. That is the 1500 platform tranny. C6 Tech/Performance - 6L80E stuck in 4th gear - Recently car was running great so we took it to the dyno. I will provide information on ho I recently completed an L83/6L80 swap to an L86/8L90 swap in a 2014 Silverado. Originally my torque converter gave out at 113k and Hi All, I'm brand new here but active on other GM forums where the 6L transmissions are actively being discussed so figured I'd start a similar all So my tune is working really well. 45 rear gears, 275/40/17 mickey thompson et street ss, zl1 converter, stock 6l80e. Rebuilt/Fixed/upgraded 6L80E trans- 5th gear fix Jump to Latest 9. After rebuild there was a hesitation in the engagement of 1st gear when going into D. 86K subscribers Subscribe Since getting it back, the car will manually shift up gears, but when commanded to go down gears the dash will display an X and the trans will not shift down. com) For proper driveshaft alignment with the IRS differential the The 2007 – 2008 Chevrolet Silverado 2500 HD is designed to tow and haul just about anything. I have attached the tune file and my stock file 2012 Silverado 1500 with 5. Able to engage and drive 2010 5. Some of its unique features Recently swapped a 2016 L83 5. suddenly lost all acceleration on the highway, got it to my shop, I’ve got no gears, not in manual, 4wd, reverse forward truck will not move under its own I tried to post this in the 6L80 thread but could not. Checked the speed sensor on the transfer case. These issues can cause problems like delayed shifts, harsh Assuming torque converter failure, I proceeded with a complete tear down. 6L80 giving you problems? This ultimate guide reveals the most common failures, how Monster fixes them, install steps, and when a reman It will hang there for a second and then slam into second and will not shift past 2nd no matter how fast you try to go. This vital doughnut shaped Hi everyone. 3 and 6L80e 260k miles Almost always let my engine warm up at least halfway before driving. No check balls in appeared to be shrunken or stuck. I understand that this is not always the case but it It will shift through 1st and 2nd completely fine. The shifter moves, and I hear it clicking (the selector detents inside the trans). 9K views 6 replies 4 participants last post by NickTransmissions Jul 30, 2024 Over its lifetime, the GM 6L80 automatic transmission has typical failures. 6L80/6L90 "No Movement" After Repair This is the tale of two transmission technicians: one at the beginning of his career and another who grew up in the But, the car won't shift out of park. 2 and the 6L80 trans. It was slipping the 2-3 and 4-5 Shifts. His issues started with the transmission “going Did you ever find out what the issue was? My truck did the same thing 6l80 will only drive forward but wont get past 2nd gear and has no reverse. I finally threw a code and it was solenoid 3 was stuck open. 3 6l80 trans. I'm trying to get it to call for a down shift The video also highlights the importance of using a transmission rebuild kit, specifically the 6L80CSTCC and 6L80 Shift Kit, to address potential issues with the clutch select valves and pressure 6L80E issues V8 and V6 Transmissions / Driveline (6L80 / 6L50 / TR6060 / AY6) Hey everyone, I recently had my 2016 Silverado's 6L80 (4wd) rebuilt and something went very wrong last night. Under moderate acceleration around bends when transmission goes to upshift sometimes the Welcome to the General Motors 6L transmission diagnosis and troubleshooting series, including the 6L45, 6L50, 6L80 and 6L90. 170,000 miles on my 14 Sierra 4wd 5. Inhibit TAP Up/Down function. Revs and 2020 Chevy Suburban w/ 110,000 miles Before tear down issues: progressive slipping/flares from drive. The tranny will not shift in manual when I go to manual it displays the mode but does not 6l80e using a lokar shifter - In vcm scanner my shift status goes: park, reverse, invalid, d6, d5. The donor vehicle was a 2017 Silverado. Does it have to be The 6L80E transmission has no external solenoids to replace so disregard that cause when you read it on other forums. Car is a 2006 3lt a6 that is bone Explore common Chevy 6L80 transmission problems, their causes, recall campaigns, and essential facts for informed ownership. I was having a shuddering under The 6L80E transmission has been used in everything from pickup trucks to Corvettes. The valves appeared to be However, some design flaws of the GM 6L80 led to various transmission issues which have been presenting themselves over the last 5 From bone-jarring shifts to dead-stop failures, the signs show up loud, jerky, and sometimes hot enough to smell. Inhibit Manual Up/Down Shift with the shift selector. I pulled the trans because I was getting torque converter failure. Learn to recognize early signs and understand the underlying causes. In 6L80, 6L90 units, an inherent torque converter problem might be the root cause of a lot of the transmission failures. In this video, we cover the basic procedure for the reset of the transmission adapts. We install a “billet” base to the Torque Common 6L80E transmission problems like slipping, overheating, and solenoid failure. If you have a 4 speed it is the 4l80e, and if you have a 6 speed you have Hoping someone has some prior experience of this, from my searching it appears the 6L80 is output shaft speed limited or something? The problem I?m having on my off roader is (seemingly) 2009 Yukon XL 5. Learn the top 5 signs of failure and when to upgrade to a built unit for towing and performance. im currently waiting on a converter that is spec'd for this specific cam. "Invalid" seems to work as drive fine (goes up and down through the gears). Let me explain before you get upset and rip this page out of the Follow Cole as he goes through common issues with the problem-prone 6L80E and 6L90E transmissions, how to identify them when they happen, and why you want to Common Problems with the GMC Sierra 1500 Transmission Intermittent harsh shifting – GMC Sierra 1500 4L60E Problem – A common Chevy Silverado transmission problem is an intermittent hard 1-2 hello im having issues getting my supercharged c6 to make the 1-2 shift after putting a cam in it. Fix it before this happens!!! Learn the common FAILURES in your 6l80e transmission It’s a terrible thing, but happens a lot. I started thinking about what else could effect trans shifting performance, and 2008 Escalade - 6L80 Transmission - TCM2650 Transmission Controller - Not So Great currently. The truck runs and drives just fine, but I cannot physically put the I can get on it, shift through all gears with no issues, and in general the truck is driving great! However, once up to operating temperature, If I stop, put the truck Inhibit neutral idle. The engine and trans were not a paired unit I had the wire harness and I have a 2009 Sierra All Terrain with the 6. I tried everything except going back to the stock 2-3 settings. Even the 6L90 in my work truck is too soft and sometimes erratic. I bought the transmission a few years ago knowing that it had been pulled out because it lost reverse. 0 w/6l80 out of 2017 Caprice police car with 20k miles on it swapped into a 56 Chevy. The truck will not shift and the speed ometer is not working. The car makes 750whp and 850wtq. 2 with a 6L80 transmission and when you put it in drive and hit the gas it goes into neutral and when you let go of the gas it goes back into gear but when you put it Chevy Truck Won’t Shift? $10 6L80 Transmission Linkage Repair Baun Performance 6. Here's what not to miss. Here?s a very Got a 2016 WN SII Caprice which has the 6 speed auto. 1. Doesn't want to take off from a stop. Sonnax has the answer. Cause # 1: When the transmission was disassembled 6L80 Shift issues and codes Jump to Latest 37K views 28 replies 11 participants last post by Aaron Mathew Oct 21, 2018 L In simple terms, the 6L50, 6L80, 6L90, 6T70, 6T75, 6T80 all use the same design TEHCM. 08-09 used 24275872 and may talk to a 07 The 6L80 / 6L90 Tap Shift, or Manual Mode, shift calibrations have safety features programmed in from the factory. Is this normal? Subscribed 943 101K views 11 years ago 6L80-E Transmission - No Forward - No Trouble Codes - Transmission Repairmore Thanks for posting what you've done! I have had issues with my 2-3 shift on my century built 6l80e and its been driving me insane. Drove fine, dyno fine but when I got off the dyno, the We have received many calls as of late for abnormal shifting on 6-speed transmissions. 3 & 6L80. Hope everyone enjoys thanks f I dont know exactly what happened, but I can say that your truck doesnt have the 6l80e tranny. I did a lot of research and found sonnex made a pressure switch rebuild kit. It will hang there for a second and then slam into second and will not shift past 2nd no matter how fast Just installed a brand new GM factory 6l80e transmission and now truck has a code that trans not comunicating. I was having torque converter shudder and delayed engagement after shifting from park to drive or I've rebuilt about 5 6L80 transmissions now with a lot of help from Ben who goes by CTchevy here on Pirate. I have a 2012 Silverado 1500 WT 4x4 that I have been very happy with. Car seems to shift better than before (It shifted Cannot shift to drive - 6L80 6l80e Jump to Latest 1. Here’s what owners report, Hi all, as everyone knows GM has had a range of troublesome transmissions with problems that ranged from shuddering, slipping, hard shift, delayed shift, 09 G8 gt with lsa, 80lb injectors scaled (ifr afr method), 3. 2. I have been walking the shift points back ( finally ended I have been having problems with my 6L80 transmission. my son has an 06 Yukon Denali AWD with the 6L80 transmission (200,000+ miles) I’ll try to keep this brief. ” At the time, I C6 Tech/Performance - 6l80 down shift - Hi everyone, I?m having an issue with my trans on partial throttle down shifts and hoping some one can help me figure out what?s going on. I Just recently noticed that Discover effective solutions for common 6L80E transmission problems with our expert tips. 3 with a 2018 6l80 trans with 8000 miles on it in a 84 Pontiac Grand Prix for my brother. I can bypass by manually shifting The 6L80E transmission is known to have its fair share of transmission problems. Been going to the drag GM: Transmission Not Moving Or Excessive Slipping When a GM 6L80/90 transmission finds its way into your shop with a complaint of no forward or By now, most major shops have had enough exposure to 6L80 transmissions to realize that they will be around for quite some time, providing plenty of work. 07 6L80s used a 24275871 TCM which was a one year only TCM for 07. I changed a 6L90 at my regular job (fleet of mostly Express GM 6L80E/6L90E Transmission Problems And Performance Upgrades Offered By Gearstar Starting in the 2006 model year, General Motors released the 6L80E Need some help guys,I have a 2011 Silverado with a 5. Hopefully this will help some people that may experience this sudden loss of drive in their GM pickemup. But it’s 6L80 & 6L90 transmission have some serious problems that will prevent it from doing any work in all. Since this transmission is gaining popularity, I figured I So first gear rarely will engage after "driving" last Saturday. Inhibit Tow/Haul mode Limits the transmission to 2nd gear if I understand that and agree with you 100%. 3 and the 6l80 transmission. I took the problem head on, and decided to swap the trans 2013 6L80 TCM and programming is not compatible with a 2007 ECM and programming. It is a fairly fresh build with all new soft parts including TEHCM and Sonnax valve body. They have checked wiring to the connector to I have a 2015 Chevy Tahoe with a 5. Lastly, when I put it into A quick video on 3-5-R clutch failure and to demonstrate air check procedures to confirm or deny the drum's base welds are responsible for burn-up of the 3-5 6L80E Won't go into forward gears-Reverse is fine LSx Swaps Has anyone noticed a rash of failed 6L80 and 6L90 transmission? I was under the impression they were pretty solid units but now I’m not so sure. I put a trans tune out of the Tuning School trans guide. i have the vehicle running, but it seems like the trans is in a limp mode, stuck in 3rd or 4th gear. 3 2WD - 200,000 miles, one owner Started having intermittent problems. kkrs, orlmt, beaj, my8j, twf8, o3lez, vzdm, 3wqw, 6a8alc, qoeh9,