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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: sedaman (Oct 21, 2008 7:02 am) -2 or 4wd? -When did this start? -Some of the dealerships have a vibration tracking device. Costs about $2500 so not all of them have it. Has this been used at any of the 5 dealerships?
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Replying to: obyone (Oct 21, 2008 11:27 am) 2 wd. Problem started several months ago and has gotton progressively worse. Yes, has been checked on 2 different machines-nothing found.
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Replying to: sedaman (Oct 21, 2008 12:56 pm) Hunter GSP 9700 Most harmonic vibrations start at around 50-55 mph. The fact that yours start at 40 is unusual. The only thing that happens at that mph is the torque converter locks up at 39 mph and driving at that speed had generated some amount of complaints as the engine tends to lug which might be associated with a type of vibration. Not sure if this would be the case as you've had the truck for awhile and would've noticed this sooner if it was a problem. Was anything replaced on the truck prior to this happening?
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Replying to: obyone (Oct 21, 2008 2:00 pm) |
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Replying to: fenhoff (Nov 28, 2007 4:00 pm) |
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2007 silverado Had it 12 months bought new 5.3L auto. Been in shop 8 times for vibration and noise problems at 1500 and 2000 rpm, at 1500 rpm I shift down so I just stay in 8 cyl just to avoid noise. Got the runaround at first then they handed me a bulletin #06-06-05-001B that states vibration and noise is normal when engine is in 4 cylinder . I belive thats their new way of repairing problems just write up a bulletin. I was also in for a vibration at 60 mph (noticed mirrors shaking), they replaced tires seems to have worked. Been a Chevy man since first truck in 87 very dissapointed on this one. |
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I bought a 2007 Silverado Z 71, V8 5.3l with fuel management system, crew cab, last year and as soon as I put about 5000 miles on it a vibration started. When I come to a stop and the RPM drops to about 500 there is a vibration and it's not a constant vibration, it's an on and off vibration, at times it's more on than off. I read on-line that changin the stock spark plug wire with a Taylor 8 or 10mm wire will help, and at the dealer they told me that if I do that I will void my waranty. Has anybody else experienced this problem, or do you know how to fix it? Thanks.
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Replying to: cata11 (Dec 03, 2008 1:52 pm) As far as the dealer voiding warranty...who did you talk to at the dealership? And would they put that denial in writing? I seriously doubt it. Plugs and wires are consumable items and are covered under the Moss Magnuson Act which prohibits the manufacturer from forcing you to use their products by voiding your warranty. Since it seems to be an idle problem, you might also want to check/clean your idle air controller. |
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Replying to: cata11 (Dec 03, 2008 1:52 pm)
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