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SUVs Chevrolet Suburban & Tahoe Chevy Tahoe Transmission Problems
161 messages, Last post on Nov 08, 2009 at 2:12 PM
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Replying to: kiawah (Oct 28, 2008 4:04 am) So after contacting several shops and getting prices it became clear to me that this has to be a pretty common problem with my trans since all off the trans shops knew exactly what failed when i described it to them. It has a broken sun sprocket which tends to wear and break after excessive abuse or a lot of miles which I have. The differences in prices were varied from over 2000.00 to around 1200.00 with just about every shop adding (give or take a couple hundred bucks). I kept my searches to local shops that took the time to talk to me about it on the phone and avoided the chain store type of operations altogether. So with a bit of knowledge about what it costs for parts for this repair and the care that is needed to do the job correctly I was able to get a reasonable price and a 2 year warranty. I don't have the final price yet since it is currently in the shop but I was told it will definitely not exceed 1400.00 dollars. and that is with a heavier gauge sun sprocket (after market part) and replacement of the planetary gears included in the rebuild. also the transfer case seal will be replaced since these tend to dry up and become brittle which allows trans fluid to leak into the transfer case. This I am told is a VERY common problem and can result in the loss of 2 quarts of trans fluid into the transfer case. And within only a couple years of age of the vehicle. And as for the clunking sound from the drivetrain , apparently GM considers this normal!!!??? This is what I was told by several trans shops and the fix that they use to try and alleviate some of the binding and noise is to improve the finish of the surface on the input shaft going into the transfer case and lubricate it well so as to improve its ability to adjust within the moment of its engagement. sounds a little sloppy from the get go, but hopefully that will help. It is a major annoyance and takes away my confidence in the soundness of the drivetrain. Unacceptable standard of quality if you ask me. I will be listening carefully if I venture into a showroom for a new vehicle. keeping my fingers crossed and my expectations high. I will post again with my impressions of the repair when I get the vehicle back. |
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Replying to: 499degrees (Nov 03, 2008 7:49 pm) If you know anyone that needs one call Justen 800. 409.1540. e-mail if i can help anyone. gary |
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When excelerating it won't go into the next gear, idoling real high wont go faster than 30 mph WHAT IS THIS?
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My 2004 Tahoe with 71,000 miles has developed a new trick where it shifts really hard from first to second. It's really asserted itself now that it has cooled off here (the 50's). It shifts fine into 3d and 4th. Anyone have any insight as to what part might be wearing out. I'd like to be armed with some information prior to contacting dealers (who are looking to maximize revenue in a tough market).
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Replying to: atxbmw (Dec 03, 2008 9:21 am) I have a '04 Tahoe too with 98 000 miles but have no problems like you describe but there is one thing I would do before taking it to anywhere to have it looked at any deeper - Change the transmission fluid. I had it done at 75 000 miles and I did feel some jerking a couple of times before fluid change. You might not be at the mileage what service manual calls for fluid change interval but harsh change between gears can be caused by break down of the transmission fluid. I know it is about $100 but well spend compared to changing transmission or having some other big job done to it when it really just needs new fluid. Make sure they fill it with correct fluid if someone else than the dealer shop does it. And you are correct, almost any shop, including dealer shops, try to maximize their profit telling people, who do not know better, that they need to service items that they really do not. This is why I would not tell the dealer or other shop about the problem you have when taking it for fluid change. I would just take it in and say you want fluid change because you feel your truck is used under heavier than normal load conditions. Arrie |
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I just saw this topic and had to post... I bought a used 2000 Tahoe in August and have not had trouble until the past month or so. I had to even have it towed last night! I seem to have the tranny slip like other have mentioned. I also have the problem when I'm in a gear, it may not be what gear it reads. For example I was in Drive but it went in Reverse. I put it back in park and went to Drive again. This time it did move forward but very badly and then I too heard a loud bang, similar to a truck that would have a fully locked locker in the rear, only this truck does not have that, just the GM Gov lock or what ever. Then it would move fine forward. Other times I put it in Reverse but it acts like I'm in neutral. Last night I put it in Drive and it would hardly move. The RPMs were way high. So again I put it in Park and tried again. Still the same. It seemed like it was trying to pull out in maybe 3 gear. I have issues too when I'm just driving it feels as though the tranny might be slipping but it will go on to the next gear. I have not taken it to a dealer...they seem to stuck on their "tech tool". They couldn't figure out the steering box whine on my husbands truck. I could tell them the steering box was bad and that a tech tool was not going to read that. Any ideas? So far some one mentioned to me a shift module or some thing there? Thanks! |
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I have a 99 tahoe, the button to select either 2H 4L 4H or auto 4WD is suppose to have one of the selections lit up when selcted and stay lit until changed. When I selct 2H it lights for a while then the light go's out and stays out. Is this normal or is there something wrong.
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Replying to: jmaes (Feb 04, 2009 9:00 pm)
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