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rear pinion "up and down movement"

Discussion in 'GM Powertrain' started by jjg54002, May 3, 2013.

  1. jjg54002

    jjg54002 New Member

    I could really use some advise.... I have an 02 Silverado 6.0l 2500 HD crew cab long box with a loud growl and/or humming noise. I think I have found the issue in the rear-end. with the tires on the ground I could move the pinion up and down about a half inch, after removing the drive shaft I could also move it in and out about the same. I don't think that should move like that but not sure???? found the RPO codes (gt5) (g80) did some research and found which rear end I have if it helps 14 bolt 4.10 locking differential AAM 1050 full floating
  2. mfleetwood

    mfleetwood Rockstar 4 Years ROTM Winner 5000 Posts

    Welcome to the Club!!!!

    I moved your thread to the correction of the forum...this will get you more responses/opinions.

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