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Rubbing noise on front wheel in AWD or 4WD 2006 Silverado

Old  February 8th, 2011, 6:42 AM
  • CF Beginner
    Join Date: Feb 2011
    Posts: 1
Rubbing noise on front wheel in AWD or 4WD 2006 Silverado

I have a 2006 Silverado Z71 Crewcab truck (approx 55k miles) that has developed a strange problem that my mechanic cannot figure out and neither a drive train specialist without opening the entire transmission case etc.
After a wheel bearing needed to be replaced over the summer, now in winter when I tried to select the AWD (or 4WD) option a friction/rubbing noise starts at the front left wheel; to the point where the truck will pull to the left. The truck does get into 4 wheel drive; they tested this on the snow/ice, but this noise will not go away. The noise is significant enough to not use the AWD or 4WD option; something might really break....
When the selection is changed to 2WD again, the noise and pulling immediately stops.
Any suggestions how to remedy this? I am hesitant to bring it into another dealer because of $$'s.
Any help/suggestion is appreciated!

Old  July 31st, 2012, 11:28 AM
  • CF Beginner
    Join Date: Jul 2012
    Posts: 2
What was the result of your problem? I have a 2002 Chevy Avalanche with a rubbing noise that appears to be coming from the front left side, but only happens in 2WD. As soon as I put it in 4WD, the noise appears to stop or at least disapate. All brake rotors and pads were replaced recently and did not make any difference.

Old  July 31st, 2012, 3:45 PM
  • CF Junior Member
    Join Date: Mar 2012
    Posts: 61
    West Michigan
Sounds like a front axle shaft, or Front Diff. may have been damaged when replacing wheel bearing. You could try jacking all four tires off ground have a buddy get in truck and select 4wd and put into drive and give it some gas while your underneath and start checking for noise outta your F diff

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