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Pickups Chevrolet Silverado & GMC Sierra Chevy Silverado and GMC Sierra Noise and Vibration
172 messages, Last post on Oct 28, 2009 at 1:49 PM
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Replying to: wthrmn654 (Feb 03, 2007 5:29 pm) |
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Replying to: wthrmn654 (Feb 03, 2007 5:29 pm) I was driving on a newer flat concrete expressway at approximately 65-70 mph. The entire truck started shaking violently with the steering wheel almost jumping our of my hands. Pulled over, checked all tires, roadway, nothing amiss. No warning lights came on. Once I started again, nothing has recurred (at any speeds). Could this be the torque converter starting to go bad? |
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Replying to: cappy8 (May 22, 2007 8:19 pm)
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Replying to: obyone (May 22, 2007 11:34 pm)
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Replying to: cappy8 (May 23, 2007 7:07 pm) 
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I have a 1997 GMC 4x4 Ext Cab p/u with a 4.3L. At speeds above 50mph I hear what sounds to me like something binding then releasing and then there is a clucking noise. I checked and everthing seems tight under the frontend. I also have put it in 4HI and 4LO thinking that maybe the 4 wheel drive didn't completely disengage. Any suggestions on what to check next?
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Replying to: 97gmc4by4 (Apr 10, 2007 5:50 pm) File In Section: 04 - Driveline Axle Bulletin No.: 99-04-21-004A Date: September, 2001 This bulletin is being issued to advise dealerships to no longer flush and replace the transfer case fluid when a customer comments about a "bump" feeling when the vehicle accelerates from a stop. When Corporate Bulletin Number 99-04-21-004 was issued, a new transfer case fluid had just been developed to correct this condition. Currently, a nickel-plated slip yoke is being developed that will correct this condition. A new bulletin will be issued as soon as parts are available. I would start by replacing the transfer case fluid and checking to see if the transfer case chain is stretched. The new yoke for the driveline doesn't seem to be available yet, so I would remove the driveline and get some lube for the slip yoke from your GM dealer and lube it real good and re-install it. The clunk may be from the slip yoke hanging up on the splines. |
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I have a 04 GMC Sierra Z71 with 75,000that has been having a chirping noise coming from both the front tires when I hit subtle bumps in the road. This has been going on for about 10 months but just have never got around to trying to fix it. About 5 months ago I had to replace the front left wheel bearing and thought this would take care of the problem,but it didn't. I replaced both the front shocks and still no luck. The problems only occurs when I'm riding on roads that have not been paved in a while or on gravel roads. It seems to only occur when the front tires are being "vibrated" by the road. I thought it might be an isolated problem with just my truck, but I heard a truck similar to mine driving down the road and it had the same exact "chirp". Any help would be great.
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Replying to: mundyje (Jun 04, 2007 7:32 pm)
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