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Thread has moved to GMLS4.com This thread has moved to http://www.gmls4.com/index.php/topic,33.0.html , which is at GMLS4.com. It will no longer be supported or updated on this site. Please visit the above link to report issues and obtain information regarding the transmission problems that are so common to the LS4 cars. You will also find resources there that will teach you what you need to know about addressing and preventing the problems from happening again. |
and there are more on the impala forum naioa.com too.... |
I'm feeling left out!!:lol: I had mine replaced NOT rebuilt at 53k-ish about 2yrs ago. |
Originally Posted by 06MonteSS
(Post 14311126)
and there are more on the impala forum naioa.com too....
Originally Posted by ImpSS07
(Post 14311129)
I'm feeling left out!!:lol: I had mine replaced NOT rebuilt at 53k-ish about 2yrs ago. |
Mine trans is boned too. It's been screwed up the last 5k miles or so, just waiting for it to stop moving |
Add me to the second group. I had the clunk issue last year (fixed under warranty). |
Originally Posted by BigBlackBoxChevy
(Post 14311158)
Mine trans is boned too. It's been screwed up the last 5k miles or so, just waiting for it to stop moving
Originally Posted by GXP25
(Post 14311218)
Add me to the second group. I had the clunk issue last year (fixed under warranty). |
great job LS1 racing. I would be interested in seeing the relationship between GXP/Monte SS/Impala SS if that's possible and maybe even the years. if we can break down the problem even more maybe we can find a common issue. |
Originally Posted by ohyeahjay
(Post 14311510)
great job LS1 racing. I would be interested in seeing the relationship between GXP/Monte SS/Impala SS if that's possible and maybe even the years. if we can break down the problem even more maybe we can find a common issue. I thought about doing that about halfway through compiling the list. This has taken me the better part of the last 4 hours, so I probably won't revisit each post for a little while, but you're certainly welcome to do so. I can then add the findings to this thread. I've also requested that AlabamaGuy sticky this. |
not being a dick just a question for a true comparison how many members do we have in just this section alone or do we know because 84 to 90 isnt bad if there is 1000 people on here just my .02 |
Originally Posted by evil 5.3
(Post 14311951)
not being a dick just a question for a true comparison how many members do we have in just this section alone or do we know because 84 to 90 isnt bad if there is 1000 people on here just my .02 Now, I don't know how many different members have posted on this forum in total, but it seems like a lot of them have this major problem much more often than any other. Anyway, maybe AlabamaGuy can assist with mining the data that would give us total number of unique posters on this forum. That would give us a better idea of the percentage. |
81k on stock GP trans 200 degrees when idling WOT slighty chatters into second. Also soft shift then slight accel (not fully into 2nd) results in slip from first then clunk into second. so have to watch how i drive
Originally Posted by LS1 Racing
(Post 14311087)
Current count: 84 The reliability of our transmissions has been discussed a lot lately, and while it's impossible to know just how many failures all of the LS4 cars have experienced, we can get an idea of the failure rate for people who've posted here. I will start by doing a search of all the threads in which a member describes a failure or problem. I'll post the user names here as I find them. There will be two categories: one for people who've had problems and got the trans replaced, the other will be for people are experience problems and abnormalities but are still on the stock trans. I listed user names so that anyone who has questions or doubts the accuracy of this data can simply do a search or contact the member to verification or more info. Methodology: If a member described in a post that they had problems that resulted in the rebuild or replacement of their transmission, then the user name was added to the first list. This also applies to posts in which a member indicates a friend or family member had a trans replacment. To make the second list, a member had to use one of the following descriptions in relation to transmission operation, but still has the original unit: Slip, shudder, freewheel, clunk, rev-and-clunk, converter locking and unlocking, car doesn't move from a stop, no forward or no reverse, slow shifting, whining, grinding, in and out of 4th gear while cruising, TCC material in pan, slow to engage first or reverse. Members with transmissions that have been rebuilt or replaced due to failure/issues: LS1 Racing 06MonteSS Hawkins04 boeman Mgpeagle dapope1 LS1>girlfriend 05CherryGXP slomaro2 steveman0018 (his Dad's GXP) storm4601 ckso226 bdyman aj99 (friend's GXP) kissmyss03 JVGN 1CL3EANSUP3RSPORT JP GXP leclair87 06monteSS broncobuyer SSCoop Slow94Formula (converter only) westtexastiger Paints-n-cows trend1 MyGXP itchy jlwcca bigalnash Vectus WickedC5 dj_stylzpgh/GXP05 layitlow turbowhistle86 cherryGXP ImpalaSS07 hexxls4 gulfstreamcpt deft Total: 39 Members experiencing abnormalities like intermittent slipping, rev-and-clunk starts, not starting off from a stop, TCC cycling, etc, but still have original trans: jrhartman smug GXP Hell'sChariot dunney508 zabalots Stun'nSun'nZ28 BariPlayer BuffaloSS 06PIMPALASS Boattail455 ls4door jommnyss06 AlabamaGuy CalamitySS jlee2003 gxp-miller-gxp jdwilks LS4 SS MC06SS bigboy3l smokin06impalass bh04 DudeWTF407 1Bad06MCSS 1 badd GXP JC05GXP NachoSS havelegs scarlett Donk's SS XFiveLiter Sint3k BigBlackBoxChevy GXP25 DrJesus616 Tater Salad blkchevyz FolfanZ28 4ever3 jp07gxp Bleen06GXP Mark IXZD 150 Bryan921SS 98Jeep360Limited Area47 Total: 45 Grand Total: 84 If you experienced a problem and are not on the list, please post and I'll add you. If I've made any other mistake, please let me know. I want this to be as accurate as possible. |
Originally Posted by 91_rs-teal
(Post 14312262)
81k on stock GP trans 200 degrees when idling WOT slighty chatters into second. Also soft shift then slight accel (not fully into 2nd) results in slip from first then clunk into second. so have to watch how i drive |
Previous Owner Before me has his replaced at 47k |
but by the round figures we are using that 4000 in 40,000 in 5 years of production those are number gm can live with yeah it sucks for us but look at the ford taurus in the 90s almost all of them went bad with a 3.0v6 or the 3.8 ford did nothing |
We should add mileage at the time of replacement/rebuild also. |
SWEEEEEET!!! #3 LS1 Racing we could have did like a poll of people that had problems or are having issues and had them vote what they had or have? Maybe that could have been a little easier. oh and wow didn't think it was that many though. |
holy hell, I think the real question is who still has their stock trans and hasn't had any problems? Shit I think just me and a few others on here fall into the category. |
Originally Posted by evil 5.3
(Post 14312520)
but by the round figures we are using that 4000 in 40,000 in 5 years of production those are number gm can live with yeah it sucks for us but look at the ford taurus in the 90s almost all of them went bad with a 3.0v6 or the 3.8 ford did nothing The point of this exercise is to get a ballpark failure rate so that potential LS4 buyers who come on this site and want to know about reliability can understand the risks of owining one. Also, if someone wants to use this info to at least try and get a dealer to cover an out-of-warranty problem, it will be documented here. Lastly, the shear numbers of people experiencing trans problems should dispel the myth that it only happens to people who abuse or don't service their transmissions. I mean, we all can't be beating on our cars and then not changing the fluid, right?
Originally Posted by CenTexSS
(Post 14312523)
We should add mileage at the time of replacement/rebuild also.
Originally Posted by Hawkins04
(Post 14312545)
SWEEEEEET!!! #3 LS1 Racing we could have did like a poll of people that had problems or are having issues and had them vote what they had or have? Maybe that could have been a little easier. oh and wow didn't think it was that many though. I wanted to capture as much as I could, which is why I took the time scour the old threads. |
Originally Posted by hazards280
(Post 14312513)
Previous Owner Before me has his replaced at 47k |
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