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Newbie Question.... Rear main seal Step by Step???

Discussion in 'The Garage' started by Silver84k5, Jun 20, 2004.

  1. Silver84k5

    Silver84k5 1/2 ton status

    Joined:
    Feb 7, 2002
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    Location:
    Hillsboro Oregon
    Could somone give me some info on replacing the rear main?

    I have the motor on an engine stand. Flipped upside down and the oil pan off.. Im selling this motor. I want to replace the rear main and the oil pan gasket before i give it to the buyer. what do i do to replace this rear main? Thx.
     
  2. big83chevy4x4

    big83chevy4x4 3/4 ton status

    Joined:
    Mar 22, 2002
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    Location:
    Sheridan, Michigan
    if its a 85 and older block, then
    remove rear main bearing cap
    remove the old seal from cap
    using a small screw driver, push out old seal from block making sure no to damage the crank surface
    using the seal protector, carefully push on new seal on both block and cap
    reinstall cap and torque to specs

    if 86 and newer block
    remove flywheel/flexplate
    using a pic remove the old seal
    install the new seal
    replace flywheel/flexplate
    /forums/images/graemlins/waytogo.gif
     

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