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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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| 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. | |
| 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??? | |
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Truck accelerates fine in park. Will not accelerate in drive. 5.7l 4 wd Automatic Thanks |
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Replying to: ibis85 (Feb 08, 2007 9:38 am)
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Replying to: framemaker (Sep 22, 2008 9:24 am)
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Replying to: park079 (Sep 24, 2008 5:49 am)
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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"
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Replying to: october2525 (Mar 18, 2007 7:00 am) My 2004 GMC Sierra 2500HD 4 x 4 looses power when my transmission temp gets between 180-200 degrees. It only gets hot on the hot summer days or when I tow my boat. There is also an unusual noise(higher RPM?) in the transmission when I take off after sitting a controlled intersection. I get my vehicle serviced on a regular basis. I have yet to take it into a dealer..any ideas? |
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| when towing my trailer and heading up a hill my truck lost power and I had to take the offramp and park it after a short rest it was okay for a few hundred more miles-two tranny shops have told me its not the tranny-two diagnose guys say its the tranny-when the gas is open up while going down the road the power does not go to the wheels-you can see the tach go up but the truck does not go accordingly-I don't want to replace a bunch of items and none of them be right-If I drive like a turtle its okay but I need to hook up the trailer and leave where I'm at with this problem solved-HELP | |
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