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Chevy Silverado and GMC Sierra Noise and Vibration

172 messages,  Last post on Oct 28, 2009 at 1:49 PM

You are in the Chevrolet Silverado & GMC Sierra Forum. Your Host is kcram

What is this discussion about? Chevrolet Silverado 1500, Chevrolet Silverado 2500, Chevrolet Silverado 3500, GMC Sierra 1500, GMC Sierra 2500, GMC Sierra 3500, Truck


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#53 of 172
Re: Frontend Binding/Clucking Noise [97gmc4by4] by 0patience
Apr 20, 2007 (8:24 pm)
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Replying to: 97gmc4by4 (Apr 10, 2007 5:50 pm)

There used to be a service bulletin regarding a clunk in the transfer case that said to flush the transfer case, but a new bulletin has been released to update it.
 
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.
#54 of 172
2004 GMC Sierra chirping noise by mundyje
Jun 04, 2007 (7:32 pm)
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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.
#55 of 172
Re: 2004 GMC Sierra chirping noise [mundyje] by obyone
Jun 04, 2007 (10:09 pm)
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Replying to: mundyje (Jun 04, 2007 7:32 pm)

When was the last time that the truck was greased?
#56 of 172
Re: 2004 GMC Sierra chirping noise [obyone] by mundyje
Jun 05, 2007 (7:14 am)
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Replying to: obyone (Jun 04, 2007 10:09 pm)

Actually, it was about a week ago because I thought it may be the joints needed greasing, but still there is that same "chirp" sound.
#57 of 172
Re: 2004 GMC Sierra chirping noise [mundyje] by davethecarnut
Jun 06, 2007 (9:59 pm)
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Replying to: mundyje (Jun 05, 2007 7:14 am)

Is the chirp coming from the tires or the suspension components? If it's tires, maybe the tires are getting "air" and chirp when hitting the pavement over those bumps. I don't know. Just offering suggestions.
 
You have zirk fittings on the 1500 other than the steering linkage?
#58 of 172
2000 Silverado 4x4 front end by kbex
Jul 05, 2007 (8:19 am)
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I'm getting a clunking/popping sound from the front end while driving in reverse and straightening out the wheels. It happens when steering from right to left. I've checked underneath, there isn't anything loose or rubbing that I can see.
#59 of 172
Re: 2000 Silverado 4x4 front end [kbex] by obyone
Jul 05, 2007 (8:41 am)
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Replying to: kbex (Jul 05, 2007 8:19 am)

Sounds like it could be a loose crossmember. They will usually bind when reversing for some reason. I had the same problem. Just loosen all the bolts and retighten according to spec. It's usually the one under the trans.
#60 of 172
Re: 2000 Silverado 4x4 front end [obyone] by kbex
Aug 12, 2007 (12:54 pm)
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Replying to: obyone (Jul 05, 2007 8:41 am)

I finally got around to looking for the problem, and re-tightened the crossmember bolts, but it still does the "popping" thing when going in reverse. I'll keep looking, thanks for the info!
#61 of 172
Re: 2000 Silverado 4x4 front end [kbex] by obyone
Aug 12, 2007 (5:06 pm)
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Replying to: kbex (Aug 12, 2007 12:54 pm)

When I had a friend's shop tighten the crossmember with an impact gun, I still had the popping. The correct procedure is to loosen all the crossmember bolts then tighten. Can't remember the torque settings.
#62 of 172
Engine tapping 4.8L V8 by dougwalker
Aug 14, 2007 (9:09 am)
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My 2002 Sierra SLE with the 4.8L V8 has an engine noise that has been going on for a few years. Sounds like lifters to me. Was told by the dealership that it is normal and will not harm the engine. It only rattles for a moment when accelerating a little on the fast side. Does anyone have the same problem or know of a fix? Thanks

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