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GMC 4500 Running In Front end HELP!!!

Discussion in 'Chevy Trucks' started by BigBoyPlowin, Jan 23, 2014.

  1. BigBoyPlowin

    BigBoyPlowin Senior Member
    Messages: 301

    Hey guys, looking for a bit of help right now. I have a 2007 GMC 4500 4x4 that makes a rubbing sound in the front end every time I put it into 4x4. When unlocked and out its fine. It only happens when I put it into 4x4...lol as I said!

    We replaced the front bearings Changed the U joint at the pig.. Other one looked good still.

    Not sure what it is... Can't find the problem! I've been going easy on it (Plowing in 2wd, until I really need 4x4) But I'm almost to the point where I hope it breaks..

    If anyone can help, I'd greatly appreciate it.
  2. ServiceOnSite

    ServiceOnSite Senior Member
    Messages: 928

    Did you check the fluid level??? Just trowing it out there. Mine the case bolts were a little lose and i had nothing in it. Thank God no damage was done.