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Thread: rear main seal

  1. #1
    Bob the Builder says: 88Nightmare's Avatar
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    rear main seal

    how hard is it to do a rear main seal on an old school sbc350? We have the means to raise the car in the air and all that and get the pan off easily, but once all that is said and done, how hard is it to replace the actual seal? It's a 2 piece I believe. Anyone have some quick tips to git er done easier?
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  2. #2
    Bob the Builder says: 88Nightmare's Avatar
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    lets not all jump at this thread at once
    Quote Originally Posted by pOrk View Post
    All democrats like to work on wood, zing!
    The democracy will cease to exist when you take from those willing to work and give to those that are not - Thomas Jefferson
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    2005 Silverado 2500HD 4x4 duramax

  3. #3
    Carry On ! Holeshot's Avatar
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    The best way is to pull the rear main cap and use a sneekey pete or some call it chinese fingers. grab on side if the seal and push with a small punch or something along thoes lines. Lube the new seal and pull it through the same way. Put a dab of RTV on the to mating halfs of the seals and install rear main cap and torque to spec. The seal is tapered so dont put it in backards.

  4. #4
    Bob the Builder says: 88Nightmare's Avatar
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    do we have to pull the trans and flywheel for this operation?
    Quote Originally Posted by pOrk View Post
    All democrats like to work on wood, zing!
    The democracy will cease to exist when you take from those willing to work and give to those that are not - Thomas Jefferson
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  5. #5
    Carry On ! Holeshot's Avatar
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    You shouldn't have to

  6. #6
    Bob the Builder says: 88Nightmare's Avatar
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    ok well we have the sneaky pete device. basically drop the pan, remove rear cap, pull seal, put on new one, add a little rtv, put buttom seal and cap on, torque, reassemble, and enjoy?
    Quote Originally Posted by pOrk View Post
    All democrats like to work on wood, zing!
    The democracy will cease to exist when you take from those willing to work and give to those that are not - Thomas Jefferson
    2008 Yamaha FZ6
    2005 Silverado 2500HD 4x4 duramax

  7. #7
    The man in the box Jukebox Hero Champion My House Is Bigger Than Your House Champion Smaugs Treasure Champion Lash's Avatar
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    lol...yup. I'm sure everything will go that easy



    I think I'm in need of a new rear main on my mustang so I shouldnt talk

  8. #8
    RTCTTFMF juicedimpss's Avatar
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    when i put rear main seals in,i like to stagger the halves,not match them to the bearing cap.also a thin coat of locktite in the bearing cap mating surface(where it meets the block) will keep oil from seeping also.
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  9. #9
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    Quote Originally Posted by juicedimpss
    when i put rear main seals in,i like to stagger the halves,not match them to the bearing cap.also a thin coat of locktite in the bearing cap mating surface(where it meets the block) will keep oil from seeping also.
    That is how I do it as well...works great.
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