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Chevy Silverado and GMC Sierra Transmission Problems

505 messages,  Last post on Nov 29, 2009 at 8:38 PM

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What is this discussion about? Chevrolet Silverado 1500, Chevrolet Silverado 2500, Chevrolet Silverado 3500, GMC Sierra 1500, GMC Sierra 2500, GMC Sierra 3500, Transmission, Truck

#346 of 505 Transmission possibly slipping by drapheus Oct 16, 2008 (10:51 am)
Hello all,   I have a 1995 Chevy K1500, and I think possibly the transmission is going. It drives fine until about 45-50 mph, and then it starts hesitating the more I press the accelerator -- it feels like the engine is cutting out, but the rpm or even the sound of the engine doesn't change.   I changed the transmission fluid and filter, added some non-slip additive, replaced the fuel filter, redid all the ignition wiring, replaced the rotor and coil + spark plugs, and replaced the oil in the differential, but with no luck. Any help would be much appreciated. Replies to this message: cowboy50 (Dec 12, 2008 9:25 am)
#347 of 505 Re: 2003 Silverado Z-71 Problem [blaroche] by wheelman1952 Oct 17, 2008 (7:21 pm)
Replying to: blaroche (Dec 14, 2006 7:21 pm) what i know about the gm transmissions..if the sun shield cracks or strips.there will be no .2 or 3 gear and no reverse..gm charges around 800 dollars,to take the trans appart and replace with up graded sun shield unit..12 months and labor waranty,nationwide..there was a guy,that was converting 1992 and up chevy caprices..im dc or maryland..i think the chevy impalas..1992 and up,had manual trans in some of them.its just hanging a clutch pedal.check out the impala clubs and forums.
#348 of 505 97 by lambo87 Oct 19, 2008 (5:55 am)
#349 of 505 97 GMC tranmission problems by lambo87 Oct 19, 2008 (6:03 am)
I have a 97 gmc 1500 pickup and when the engine is cold it's fine but when the transmission warms up it shifts very hard from 1st to 2nd gear and also from 2nd to 3rd. I have changed the fluid and filter in the transmission to no avail. Also changed the sensor on the carb. to no avail. The engine light comes on and I replaced parts that it said to replace and the engine light is still on. I have gotten the engine light reset each time that I did something to the transmission and it'll stay clear for a while but later comes right back on. Appreciate any help!!
#350 of 505 99 cehvy transmission problems by supersupras10 Oct 20, 2008 (10:20 am)
ok i have a 1999 chevy silverado 1500 5.3l v8 4x4 ex. cab, and iam having problems with the tranny and sometimes it works good but when it does it fell like it has a shift kit in it and then it quits working and you then you have to shift gears by had and then it fells like you do have first or drive, and also when it does it the truck has no power at all i mean it is very slow but when it works right it dont run bad at all, but i hope someone can help me out to find the problem out
#351 of 505 Re: Slip Joint Problems [rrossi] by kskeith Oct 23, 2008 (12:30 pm)
Replying to: rrossi (Sep 29, 2008 12:16 pm) I have a 2008 Chevy 1500 w/ the exact same problem. Less than 4K miles have not had it in to check problem. Should I be concerned?
#352 of 505 2008 Silverado by burbankfowlers Oct 28, 2008 (10:47 am)
Just took my 2008 Silverado to the dealer, was slow getting into gear when taking off, but when I would stop, about ten seconds later there would be a jolt, like someone bumped from behind. My son says he believes it was the transmission shifting down. Passing a car takes a couple of seconds for it to shift. Dealer gave me a printout for a PIP4112G hesitation on Acceleration and told me there was nothing wrong. There is something significant when that clunk in the rear end happens. There is also now a roaring noise when travelling down the highway. Chevrolet dealer thinks I am nuts. Replies to this message: obyone (Oct 28, 2008 11:47 am) burbankfowlers (Oct 28, 2008 11:56 am) obyone (Oct 28, 2008 1:54 pm) and 1 more... medic979 (Oct 28, 2008 5:41 pm)
#353 of 505 Re: 2008 Silverado [burbankfowlers] by obyone Oct 28, 2008 (11:47 am)
Replying to: burbankfowlers (Oct 28, 2008 10:47 am) I've had a service manager and even a service manager and a tech ride with me to help illustrate the issues I had with my truck. It's often frustrating to leave your truck there with a description of what's wrong only to pick up the truck and find on the invoice "could not duplicate problem". Replies to this message: burbankfowlers (Oct 28, 2008 11:56 am) obyone (Oct 28, 2008 1:54 pm) carfax (Dec 06, 2008 5:53 pm)
#354 of 505 Re: 2008 Silverado [obyone] by burbankfowlers Oct 28, 2008 (11:56 am)
Replying to: obyone (Oct 28, 2008 11:47 am) After being stoppped at an intersection, the first time it happened I thought I had been rear-ended, the jolt was that severe. And then trying to take off, it feels like it kicks into neutral first. The service tech first said "all four-wheel drives do that in the rear end" You know what, mine isn't a four-wheel drive. It is a standard, two-wheel drive Silverado. Every time you put pressure on to accelerate it kicks into what feels like neutral. But it is that jolt in the rear end that concerns me. They just tell me that is the way it works. I don't get it, something isn't right, why won't anyone listen. Perhaps they know that this will keep working just until the warranty runs out, then it isn't their problem???? Replies to this message: obyone (Oct 28, 2008 1:54 pm) carfax (Dec 06, 2008 5:53 pm)
#355 of 505 Re: 2008 Silverado [burbankfowlers] by obyone Oct 28, 2008 (1:54 pm)
Replying to: burbankfowlers (Oct 28, 2008 11:56 am) The clunk you are describing has been around since the 1999 redesign. It clunks on starting acceleration and on stopping caused by play in the slip yoke. It may also clunk upshifting from first to second. There are several service bulletins addressing this issue especially since it has been around for such a long time.   The normal answer that they usually give is that the drive train is new so you need to give it up to 10K miles to break in. If that were true GM wouldn't have come out with a special additive for the rear end.   Since no two dealerships are the same you might want to take your truck to another dealer or take the current service manager out on a test drive to verify that it actually does clunk. It would be hard to deny the clunk with him in the truck though I've seen them try. Replies to this message: carfax (Dec 06, 2008 5:53 pm)

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