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whining noise from my rear end?

This is a discussion on whining noise from my rear end? within the General Help forums, part of the LSx Technical Help Section category; yep when theyre hurtin they tell you....

  1. #21
    Member side2000's Avatar
    Join Date
    Jun 2008

    2000 camaro ss

    yep when theyre hurtin they tell you.

  2. #22
    We'll be back... GatorSS's Avatar
    Join Date
    Aug 2005

    Light Pewter Metallic
    2000 Camaro SS M6

    Quote Originally Posted by joedude02 View Post
    the nut was tight by hand, but loose as a goose with the 1/2" breaker bar. i hit it with the impact and torqued it not too tight. amazing how sound travels in these cars.
    Very little insulation combined with that big hatch glass really magnifies any rear end noise.

  3. #23
    Junior Member
    Join Date
    Nov 2014
    Renton, Wa

    2002 Formula NHRA

    How do you set pre load?

    Quote Originally Posted by joedude02 View Post
    well to bring this to a conclusion. i have finally figured out and have made the repair of this stupid whining noise. the bolt for the pinion was coming loose and causing the preload to be off. stopped after setting the preload up again.
    Hello, I have the same problem, I had my rear end rebuilt about 2 years ago and I figure my bearings need replacing.
    But where is this pinion bolt you speak of?

    Any info , only replaced fluid in my rear end, never did the bearings myself but first time for everything!

  4. #24
    Senior Member Naaman's Avatar
    Join Date
    Mar 2010

    98 Z28 Vert M6

    The pinion bolt is at the front of the diff. It has to be tightened to a specific amount of turns (different for each car). If it is set properly befor you loose itt, it helps to mark the position of the bolt, and then count the number of turns to unwind it. If its already wrong as far as I know, you have a trial and error session to loom forward to.

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