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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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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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Replying to: cande3 (Dec 05, 2008 7:21 pm) Let me know if you hear anything else or if you change you spark plug wire set. Thanks. |
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Replying to: gumpp08 (Apr 17, 2006 5:08 pm) |
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Replying to: gmcjoe (Jan 14, 2007 12:12 pm) |
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Replying to: sedaman (Oct 21, 2008 7:02 am) I'm from Quebec Canada, and have a mix of steering/vibration/wheel problems with 2005 sierra 4x4. have been hearing clunky sound from left front wheel and rough ride since 20,000miles Dealer couldn't or wouldn't identify the problem. Then had the lube job done, then some sort of column repair and still not up to par. Then went to an independent shop where they found that the bushing for the left side torsion bar was totally finished. Last night started to get a serious grinding noise from the same area, perhaps a bearing or CV joint, but I suspect it is all related. Some serious flaws going on here. Has anyone else checked /and or had torsion bar problems? Also, limited slip doesn't always work Frustrated and pissed off |
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Replying to: painkiller (Feb 19, 2007 4:58 pm) |
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Replying to: toddtipton (Sep 22, 2008 5:16 pm) Same truck (2003 4X4), same problem...Has anyone found a solution to this mysterious noise? |
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| I believe you will find the problem to be worn-out wheel bearings. I have an '06 Z71, only has 24,677 miles on it and it started that very scenario today. I stopped at a service station, they put it on the hoist, and my right front wheel bearings are shot! Jack your vehicle up to remove the weight from the front wheel in question. Grap it at the 9 and 3 positions and rock back and forth; then the 12 and 6 positions. If the wheel rocks back and forth as you do this and is not solid, then your bearings are shot. I have heard this is a problem with GMC and Chevys, now I am seeing it for real. My truck is parked at a GMC Dealership 60 miles from my house as I type, waiting for them to work on it. It is still on warranty. This should not happen at 24 or 60,000 miles! If the problem gets bad enough, your wheel can fly off! | |
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