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Weird Noise from rear end

This is a discussion on Weird Noise from rear end within the Drivetrain forums, part of the LSx Technical Help Section category; I heard of torsens making "a rusty screw noise" which is cured by the GM additive. What was done to ...

  1. #1
    Junior Member alamantia's Avatar
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    1995 Z28 & 2002 Z28

    I heard of torsens making "a rusty screw noise" which is cured by the GM additive. What was done to the rear, just a fluid and gasket change??

  2. #2
    Junior Member wzup1000's Avatar
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    1998 Trans Am

    Weird Noise from rear end

    Whenever I make a sharp turn at around 5-10 mph I hear this weird wahh-wahh.... then it will pause about half way into the turn, and at the very end right before I straighten up it will make the same wahhh-wahhh noise.

    I didnt notice the noise before I got the diff. fluid changed, but afterwards I noticed it.... to make a long story short I took it to the chevrolet house and they said (from the reciept) that I seems to be the right fluid, but should I be concerned???

    any help would be great

  3. #3
    Junior Member wzup1000's Avatar
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    Black
    1998 Trans Am

    I just had the diff fluid changed at a quickie lube place... they probably didnt know what they were doing. My car only has 35000 miles on it, that is why I am concerned.
    Luckily I have a GM warranty that covers my entire drivetrain. Im just asking because I would like to have it changed before the warranty expires.

  4. #4
    Junior Member alamantia's Avatar
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    1995 Z28 & 2002 Z28

    Romove the plastic vent in th etop of th erear and squeeze a bottle of the GM dif additive through the hole. Replace the plastic vent and see what happens.

  5. #5
    nc98z
    Guest
    make that 2 bottles

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