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Rear end cover leaking

This is a discussion on Rear end cover leaking within the Drivetrain forums, part of the LSx Technical Help Section category; So my rear end cover is leaking. Should I just replace the gasket or should I put the TA Performance ...

  1. #1
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    Rear end cover leaking

    So my rear end cover is leaking. Should I just replace the gasket or should I put the TA Performance Rear end Girdle?


    I don't and won't have the money any time soon to replace the rear with a 12 bolt/9" so I have to figure out a way to preserve this one for the time being.....

  2. #2
    Veteran 0rion's Avatar
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    has the car been lifted using the rear? If you lift the car with the rear you have to be careful that your jack doesn't rest on that cover or it'll bend it causing a leak. If it's bent I'd say replace it with the cover.....if it's not bent then I'd just replace the gasket. Both jobs are pretty easy.

  3. #3
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    Hasn't been lifted by the rear that I know of. I'll most likely just get the gasket, red rtv and refill it. Thanks for the response

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    Just me Y2KPewterSS's Avatar
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    Gasket and RTV like you said, I would think that would stop any leaking.

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    Okay from the search I did I found that people either use 75w90 or 75w140. What brand is normally used and what do people use to get the oil into the rear?

    I have a 2002 Camaro Z28 6 speed with 3.42's. I'm pretty sure this is the torsen unit, so that means I don't need the limited slip additive...correct?

  6. #6
    Senior Member INMY01TA's Avatar
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    I use any dino 80/90 and one bottle GM limited slip additive. I don't use a gasket on the cover either, just a bead of black silicone around it.

  7. #7
    Member turyg ls1's Avatar
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    I just change out my rear bearings and used 75w90 gear oil
    and on the cover just used black silicone no gasket
    and that turned out fine

  8. #8
    Member turyg ls1's Avatar
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    oh and i did have 1 problem my passenger axle is no good

  9. #9
    Just me Y2KPewterSS's Avatar
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    Quote Originally Posted by johnnybz28 View Post
    Okay from the search I did I found that people either use 75w90 or 75w140. What brand is normally used and what do people use to get the oil into the rear?

    I have a 2002 Camaro Z28 6 speed with 3.42's. I'm pretty sure this is the torsen unit, so that means I don't need the limited slip additive...correct?
    75W90 is what you want.

  10. #10
    Moderator Cutlass's Avatar
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    Quote Originally Posted by johnnybz28 View Post
    I'm pretty sure this is the torsen unit, so that means I don't need the limited slip additive...correct?
    Yes and no. The LSD additive is normally for clutch posi, but GM still recommends it for your torsen. It cures the "Rusty Screw" noise some torsen posi's make.

  11. #11
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    posi additive or no.........it still has that rusty screw noise

  12. #12
    Senior Member INMY01TA's Avatar
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    Quote Originally Posted by sjsingle1 View Post
    posi additive or no.........it still has that rusty screw noise
    Nothing will get rid of that short of ditching the Torsen for an Auburn or Eaton.

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