Question about 2004 GMC Envoy

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I have a 2004 GMC Envoy 4x4 and recently (December 2010) had my Struts, Rotors and Breaks replaced. Since then, when driving over 35 mph+ I start hearing a loud clicking noise coming from the front right wheel well (sounds like two pieces of metal hitting together), and it speeds up the faster I go. It doesn't do this until I get up over 35mph, but it is extremely loud and sounds unsafe when I'm going at speeds of 60mph+. I've taken to two different shops to get looked at (including the shop that did the replacement) and they said they can't find anything wrong. It also sounds like my tires are warped or out of balance, but I just bought them a little under a year ago and they have been rotated regularly. What could this be?

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First check that the road wheel nuts are tight. I had a friend who rebuilt a tractor to find and repair a fault when in fact is was loose wheel nuts that were to blame all along! Check the universal joint at the back of the hub. Remove the road wheel and twist the half drive back and forth looking for play in the spider assembly. There should be no movement or noise in any of the drive line components. If you can see and feel movement in the outer universal joint it will need replacing. Rock the wheel hub up and down and left to right to see if there is any movement in the wheel bearing. Likewise if there is movement this will mean a new bearing. Check the lower ball joint connected to the wheel upright. Inspect the caliper assembly to ensure it is bolted securely and that the disc rotor is mounted with the securing bolts correctly. Basically you are making sure that everything that should be tight is not worn or slack. Check all rubber bushings on suspension arms to be sure that the through bolts are centered Lastly look for any free play in the steering arms and rack mechanism.

Posted on May 20, 2011


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I have a 04 gmc envoy xuv unknown driver message no security light will not start battery was bad got new one tryed passlock reset stills say unknown driver no start

It's a short in the instrument cluster.
I had the same problem with my 2004 XUV.
It started in early December of 2007.
Intermittent manifestations, than more persistent.
Took it to the GMC Dealer --
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They needed to replace the entire cluster.
I bought an extended warranty when I bought the truck.
The warranty is still in effect --
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