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Pickups Chevrolet Silverado & GMC Sierra Chevy Silverado and GMC Sierra Transmission Problems
503 messages, Last post on Nov 10, 2009 at 5:28 PM
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I started hearing a grinding noise from what sounded like the transmission. It would happen when at low speeds in 1st or 2nd gear. I would have to pull over, shift to neutral, and stop to get the noise to stop. It happened intermittently but started happening more and more. Assumed it was the trans, and had it replaced with a rebuilt. Two days later the sound returned, and getting progressively worse. the drive shaft looks like it's within limits, they looked at the rear differential and it looks fine. Any ideas? thanks 2003 Chevrolet Silverado 5.3L V8
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Replying to: mikesquid (May 14, 2009 12:00 pm) |
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Replying to: hoookup (May 19, 2009 5:21 pm) |
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| I have an 01....we bought it about 2 months ago and it has been in the shop for the last month, we can't figure out whats wrong with it. It has an allison tranny, computer was reading bad tranny codes so we had the tranny rebuilt, had GM re-flash the computer. It didnt work, It was putting itself in limp-mode. Going to about 40 mph then shifting into neutral. It's still doing it even after the tranny rebuild. EVERYTHING in that tranny is new. Have tried a lot of things, replaced switches, rebuilt torque converter, etc. nothing has worked...still is in fail safe limp mode. Any one know anything about this? maybe give me some suggestions on what to check around for? | |
| I have a 2000 Chevrolet ext cab 4x4, i have had the transmission rebuilt and now it will only go into 1st and reverse. The pump as been replaced and the valves all check. any ideas? | |
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I bought a 04 Sierra with 110km on it from a dealer in Edmonton. It passed inspection and was delivered to me last night in calgary. Sometime today I was coming around a corner and I punched it a little bit, all of the sudden I heard a major CLUNK. Then it started reving like crazy. Now my truck won't move in D or 3rd, I had to limp home in 2nd gear. Super pissed because I now have to take it into the shop and I haven't even had it for 12hrs. Dealer was semi helpful in arranging a local mechanic, but I am worried it may happen again. And from all the posts in these forums my confidence if definitely hanging by a thread. Any thoughts as to why my truck moves like a castrated dog.....???
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| My wife managed to turn our GMC Sierra 2001 automatic off and removed key when not in park gear. Now key will not turn, everything is locked up unable to get gearshift in park or to move shift in any way or to start vehicle. | |
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Replying to: sonny24 (May 13, 2009 5:12 pm) |
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| I have a question about my trans, I have a 94 Chevy pick-up with 300,000+ miles on it (yes with the same trans and engine that has never been open) eitherway here is my problem. I have the 4L60E model trans and it is not licking the converter in in its over drive gear (yes it is full of fluid) It did this to me once before and I found that it was the brake light switch, yeah I know sounds wierd but it made since and it was the problem, now I have replaced it again and thats not it this time, I have traced all the wiring that I can find with no breaks or loose wires that i can find. these trans are pretty simple and short of pulling that trans out I am sctatching my head. its probably somthing simple that i am not thinking of. Any ideas? | |
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