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Chevy Silverado and GMC Sierra Transmission Problems

504 messages, Last post on Nov 29, 2009 at 7:56 AM

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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

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Messages Page 35 of 51: 1; ...; 32; 33; 34; 35; 36; 37; 38; ...; 51; Prev; Next; Last

#334 of 504 Allison shifting problem. by gnusarev Aug 12, 2008 (12:23 pm)
Good day for all! My truck chevy silverado 2500 04 with duramax and allison transmission has shifting problems, when i driving at normal acccelleration the truck shifts fine but when i try to accellerate quickly it wont shift untill i back off the throttle! Before than check engine also lightning and when i try pull up from drive to neitral or parking at rear of the car i hearing "boom" and car shake. P.S. I changed fuel filter today but itt give no more. Replies to this message: msfexp (Mar 10, 2009 5:10 am)
#335 of 504 Re: 2007 Chevy Silverado Trans Problems [obyone] by frock10 Aug 24, 2008 (5:22 am)
Replying to: obyone (Aug 17, 2008 2:37 pm) Thanks for the advice... I have always thought it wasn't right for the dealer to tell me to bring it back only when it dies... I have given copies of the repair sheets to a couple of other individuals and they are looking in the system to see what has been done and what else could be done to repair the problems. It still seems that a replacement transmission would be the best thing to have done and let GM look at the old one to verify what failures occurred and the reasons for them. I am hoping I will hear something soon....
#336 of 504 2006 gmc seirra transmission shift by b36 Aug 24, 2008 (1:17 pm)
My 2006 gmc 1500 with 5.3 v8 4x4 and automatic trans gives a thump when shifting at low speed the shift is at around 15mph.when in traffic or driving in a development. It only happens when you creep up on the shift speed. If you can go a little faster it shifts through smoothly. the truck only has 10000 miles on it. i had a 2004 envoy wjith a 6 and never noticed this. Any advice thanks.
#337 of 504 2004 gmc 2500hd 4x4 crewcab allison shift prob by sc72688 Sep 14, 2008 (8:03 am)
I just got the tranny rebuilt and the trans-go kit installed.Now when its cold it has really hard downshifts but when it warms up it shifts ok.any ideas from anyone???
#338 of 504 2000 2500 by merckx72 Sep 10, 2008 (9:46 am)

#339 of 504 2000 2500 by merckx72 Sep 10, 2008 (9:46 am)
Truck accelerates fine in park. Will not accelerate in drive. 5.7l 4 wd Automatic Thanks
#340 of 504 Re: Transmission problem [ibis85] by framemaker Sep 22, 2008 (9:24 am)
Replying to: ibis85 (Feb 08, 2007 9:38 am) I own a 2000 Silverado with 41,000 miles that appears to have the same problem as your truck. Mine has acted up about 6 times over the past 3 years. The problem usually goes away very quickly; however yesterday it lasted 10 miles until I got home - this morning truck shifted normally. Had truck in last year while still under warantee but dealer could not find the problem. I was wondering if you solved your problem, and if so, what did it turn out to be? Replies to this message: park079 (Sep 24, 2008 5:49 am) framemaker (Sep 25, 2008 4:12 pm) Whiskeynick (Jan 31, 2009 4:19 pm)
#341 of 504 Re: Transmission problem [framemaker] by park079 Sep 24, 2008 (5:49 am)
Replying to: framemaker (Sep 22, 2008 9:24 am) The shifting problem was electrical. The battery had a crack and dripped acid onto the wire harness and as the wire covering desolved and the bare wires crossed the transmission would kick out of gear. When the coating desolved completely and the wires crossed then the truck would not start and the dealer found the problem. New battery, fixed the wiring and all is well. Transmission shifts fine and it appears that the problem was electrical. Hope this helps. Replies to this message: framemaker (Sep 25, 2008 4:12 pm) Whiskeynick (Jan 31, 2009 4:19 pm)
#342 of 504 Re: Transmission problem [park079] by framemaker Sep 25, 2008 (4:12 pm)
Replying to: park079 (Sep 24, 2008 5:49 am) Thank you - I was at dealers today and they found code P0785 in the computer. This code reflects a problem in the 3-2 shift solenoid circuit; most likely the 3-2 solenoid. Replies to this message: Whiskeynick (Jan 31, 2009 4:19 pm)
#343 of 504 Slip Joint Problems by rrossi Sep 29, 2008 (12:16 pm)
I have a 2007 GMC 1500 5.3. When I come to a fairly strong stop and let off the brake a bid, I get this jolt. In addition, If I come to a full stop and let off the brake to begin my roll, I get the same jolt. Several Times I thought some bumped into me from the rear. The first time I took it in to the dealer, they lubed the "slip joint" less than a 1,000 miles later it began happening again. Now they tell me its "normal" Replies to this message: kskeith (Oct 23, 2008 12:30 pm) medic979 (Oct 28, 2008 5:29 pm)

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