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Chevy Suburban Transmission Problems

74 messages,  Last post on Dec 04, 2009 at 4:41 PM

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What is this discussion about? Chevrolet Suburban, Chevrolet Silverado 2500, Transmission, SUV

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#18 of 74 Re: How can I tell if I have an Allison Transmission [bret3] by catam Mar 02, 2008 (1:30 am)
Replying to: bret3 (Feb 29, 2008 5:06 pm) No Suburbans have ever been made with the Alison tranny. Sorry it won't fit in the center tunnel without the body lift that the HD trucks use. I have read a few posts somewhere with posters mentioning aftermarket conversions but it would be very pricey. Until 07, all 2500 series Suburbans used the 4L80E tranny. This is a good tranny but you will definitely miss the extra gears from the Alison, esp. if you tow alot in hilly areas.
#20 of 74 98 Suburban repeated transmission failure by heather_98burb Mar 16, 2008 (4:18 pm)
Hello all, I have a 1998 Chevy Suburban 4x4 with the 5.7 and the transmission is the 4L60E...we are on our 3rd rebuild of this transmission within 9 months, the first rebuild lasted 6 months, thought to be faulty converter, 2nd rebuild lasted about 1 month, 3rd one lasted less than a week, 488 miles to be exact. On the 2nd and 3rd time the rear planets have been chewed up and the rear thrust washer has been basicly welded to the shaft. was going up a hill this last time and just seem to start sliping and got really noisy, pulled over and made it up the hill to turn off on outer road, went to back up reverse is gone.....put back in drive and wasn't even able to limp it home...   after the 2nd rebuild we replaced the radiator with GM (has the cooler in it) we took the factory air transmission cooler off and replaced it with factory line....anyone have any ideas as to why this would keep going out....short of buying a brand new GM tranny what could be done....   any help aprecciated, Heather Replies to this message: rockman59 (Mar 18, 2008 7:31 pm) heather_98burb (Mar 19, 2008 6:24 pm) rockman59 (Mar 20, 2008 8:08 pm) pmilam (Apr 05, 2008 6:39 pm)
#21 of 74 Re: 98 Suburban repeated transmission failure [heather_98burb] by rockman59 Mar 18, 2008 (7:31 pm)
Replying to: heather_98burb (Mar 16, 2008 4:18 pm) anyone have any ideas as to why this would keep going out....short of buying a brand new GM tranny what could be done.... ___________________________________________________________________ Sounds to me like you are getting very poor quality rebuilt transmissions. I am assuming these trannies have some kind of warranty, right? But it is a pain to have to have the vehicle in the shop for replacement. It might be time to bite the bullet for a new GM unit if you are planning to keep your Suburban. Replies to this message: heather_98burb (Mar 19, 2008 6:24 pm) rockman59 (Mar 20, 2008 8:08 pm)
#22 of 74 Re: 98 Suburban repeated transmission failure [rockman59] by heather_98burb Mar 19, 2008 (6:24 pm)
Replying to: rockman59 (Mar 18, 2008 7:31 pm) that's what we are beginning to wonder on the quality....this guy is well known for his work though and we've had him do stuff before such as 96-98 blazers but someone told us the 4L60E's are alot more complicated/harder rebuilds.....he has warrantied it each time but what hurts is the taking it out and in.....first time we done it ourself, second and third time we paid, this time will probaly be doing it ourself again....   the other thing we heard was gm trannys didn't take good to rebuilds.....   we are definatly keeping suburban till can upgrade to newer burb in year or two...does the newer ones with the 5.3's have the tranny issues like the older ones where you was almost guarenteed to replace tranny at 130,xxx range?   that's about to the point we are....have to shell out 1500. for new GM but it comes with 100,000 miles warranty.... Heather Replies to this message: rockman59 (Mar 20, 2008 8:08 pm)
#23 of 74 Re: 98 Suburban repeated transmission failure [heather_98burb] by rockman59 Mar 20, 2008 (8:08 pm)
Replying to: heather_98burb (Mar 19, 2008 6:24 pm) heather 98 burb said: ...does the newer ones with the 5.3's have the tranny issues like the older ones where you was almost guarenteed to replace tranny at 130,xxx range? ____________________________________________________________________ Take a look at this forum....you will find many posts of Tahoe/Suburbans with tranny problems with the 5.3 engine.
#24 of 74 2004 suburban only 1st & 2nd gears work by ybari Mar 27, 2008 (7:15 pm)
I have a 2004 suburban that only moves forward in 1st and 2nd gears. When I put it in drive or 3rd it dose not move. Revers works just fine. Dose this mean that the tranny has to be rebuilt ? Our suburban only has 51K miles on it. Is this a common problem with this transmision ? The AAmco technician thinks that the overdrive is broken and would require a rebuild, does that sound about right ? Replies to this message: rockman59 (Mar 27, 2008 7:28 pm)
#25 of 74 Re: 2004 suburban only 1st & 2nd gears work [ybari] by rockman59 Mar 27, 2008 (7:28 pm)
Replying to: ybari (Mar 27, 2008 7:15 pm) ybari said: Our suburban only has 51K miles on it. Is this a common problem with this transmision ? ____________________________________________________________________ Very common problem with the new generation Suburban/Tahoes. These transmissions have a history of failure at very low mileage compared to GM transmissions prior to 2000. If you are keeping the vehicle you might want to have a GM facility do the repair. AAmco or any of the other rebuilders can be pretty hit and miss when it comes to a fix. Make sure you get an iron-clad warranty no matter who does the repairs.
#26 of 74 02 Suburban pulses between drive and overdrive by tprudden Mar 31, 2008 (4:36 am)
I have an '02 Suburban 4x4 1500 auto. My problem is that when I am driving and on level ground, neither accelerating or decelerating, just maintaining speed, the transmission will pulse from overdrive and drive until I give it more gas and cause more of a load. I changed the fluid and filter but no change. The fluid did not seem to be bruned and there did not seem to be an abnormal about of friction plate particles in the pan. Could this be a sensor problem or something in the valve body? Replies to this message: rockman59 (Mar 31, 2008 6:27 pm) fordfan_17 (Apr 12, 2008 9:20 am)
#27 of 74 Re: 02 Suburban pulses between drive and overdrive [tprudden] by rockman59 Mar 31, 2008 (6:27 pm)
Replying to: tprudden (Mar 31, 2008 4:36 am) tprudden said: Could this be a sensor problem or something in the valve body? ____________________________________________________________________ The transmission/overdrive unit is both mechanical and electrical with computers in the system too. You need a professional transmission expert to diagnose your problem. Find a reputable GM dealer or transmission shop with qualified techs.

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