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Chevy Silverado and GMC Sierra Transmission Problems

506 messages,  Last post on Dec 01, 2009 at 1:57 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

#317 of 506 Re: 03 SILVERADO 1500 Transmission Problem? [catfish2] by 1500_v8 Jul 02, 2008 (8:32 pm)
Replying to: catfish2 (Mar 20, 2007 4:30 pm) Sounds like you have the same issues as mee. Did you ever get an answer?   Thanks,
#318 of 506 Re: '99 Silverado 1500 Transmission [obyone] by wtharp2 Jul 04, 2008 (6:58 am)
Replying to: obyone (Jun 26, 2008 2:52 am) Actually it is a rebuilt that is less than 3 years old -- the engine was new -- from -gm -- as of May 2007...   I took it to a local AAMCO, and they said there was fine metal in the pan. They wanted an additional $479 to dismount it, crack the case, and see what was wrong. Although I thought that was fairly reasonable, 1) I don't have a spare $479 at the moment and 2) I am ultimately going to replace it with a beefed up one, so I'm not going to fool with it for now.   Thanks.   obyone said: "Over heated with low and dirty fluid and the truck is 9 years old. I'd say you're in for at least an overhaul."
#319 of 506 Transmission problems in my 2001 sierra by hcamaro Jul 06, 2008 (7:08 am)
hello, I have a 5.3 v8 2001 sierra and the other day it was runing fine (no sliping or warning lights) and i went to pull alway from a stop sign and something happen. It felt like it got put into nuetral. Now i don't have D,3,2,1 but i do have reverse. I changed the oil to look at it. The old was realy dark and there was some metel at the bottom of the container but nothing abnomal. The truck has 97000 miles on it. if any one can help me out please feel free to write back. Replies to this message: fordfan_17 (Jul 07, 2008 10:27 am)
#320 of 506 Re: Transmission problems in my 2001 sierra [hcamaro] by fordfan_17 Jul 07, 2008 (10:27 am)
Replying to: hcamaro (Jul 06, 2008 7:08 am) if the trans will go into reverse but absolutely no forward gears the input sprag (forward) is probably blown or the forward clutches are smoked. have it checked by a trans shop but your description is a blown sprag
#321 of 506 thanks by hcamaro Jul 08, 2008 (4:34 am)
#322 of 506 by hcamaro Jul 08, 2008 (4:37 am)
what would cause somthing like this happen.? It did sit up for about 1 1/2 year. Replies to this message: fordfan_17 (Jul 08, 2008 3:53 pm)
#323 of 506 Re: [hcamaro] by fordfan_17 Jul 08, 2008 (3:53 pm)
Replying to: hcamaro (Jul 08, 2008 4:37 am) well during the stored time trans fluid can drain down and leave parts open to air since the trans has a atmospheric vent to keep pressure from building if parts started to rust in a year + time and then load put back on them the metal has deteriated and possibly rusted away enuff to let the input sprag fail...
#324 of 506 1500 Silverado HD Auto trans by 1500_v8 Jul 09, 2008 (9:04 pm)
My truck was rough shifting from 1st and 2nd gear(alomost jumping). Also it would idle too fast. i finally took is to the dealer and they said is was the Throddle positioning sensor. The part by itself costs $140. For a awhile there I was getting whiplash. They fixed it and now the truck shift smoother than ever. I thought the trans was going. Whew! I hope this helps.
#325 of 506 Chevy Suburban mystery transmission oil leak by mechman Jul 18, 2008 (7:00 am)
I was driving ~70 mph, noticed rpm fluctuation and pulled over. Discovered transmission oil leak but was able to drive home. Replaced lost oil. Wiped everything clean, drove truck at various speeds up to 55mph and various inclines. No leak can be found. Did this several times. Still cannot located leak. Transmission shifts fine.
#326 of 506 Re: 2005 SILVERADO TRANSMISSION PROBLEM [kylec65] by dmbills Jul 18, 2008 (3:42 pm)
Replying to: kylec65 (Jul 17, 2007 7:51 am) I've had two transmission problems with my 2005 Sierra in the last six months. In both cases, it wouldn't shift into third gear. GMC goodwilled the repairs despite the fact that the truck was beyond it's warranty. The first repair was goodwilled at 42K and the second at 54K.   That said, it's important to note that I'm a regular customer at the dealership. We have all of the maintenance for the truck and my wife's GTO done at the dealership—oil changes, new tires, unscheduled maintenance, everything. They made a point of mentioning that this was a factor in their decision to pay for the repair. They figure that it'll pay dividends when I purchase my next truck and, quite frankly, they're right. I'm fortunate to have a good dealer and I'll buy from them again. Replies to this message: imready (Aug 16, 2008 8:54 pm)

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