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Thread: rear main seal

  1. #1
    The Nitrous Outlet Junkie


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    Default rear main seal

    I am going to swap transmission and torque converters on my 94 While I was taking apart I think I'm going to try and do the rear main seal. Yup it leaks... bad ... I joking call my car the Exxon Valdez ... never done a rear main seal ... how hard is it ... trans and verter will be out of the car. Will I need to drop the oil pan any?
    94 Formula "budget build" #thebeaterbird
    10.177 @128.31 on a lil 250 shot
    350, LT1, carb, LE grind cam, th400, 4k stall, ford 8.8 w/ 4.10s

  2. #2
    Lurker


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    Default

    It's very easy. You'll see 3 small pry points on the housing to pop it out, then just gently tap the new one in. No special tools needed. I used the Fel-pro one made with PTFE.

    Here's my old seal removed, you can see the pry points on the housing.
    IMG_2241.jpg
    1997 Pontiac Trans Am WS6 clone | Build Thread | - just needs paint!
    2001 Chevy Silverado 2500HD (the DD)

  3. #3
    LTX Master


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    Default

    also when you have it off check the crank for a grove where the seal sits. if it has one get a sleeve kit for it.
    mine had a big grove in it

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    Default

    Just pry the old one out and pop the new one in.

    The felpro kit also comes with a gasket for the RMS adapter plate that goes against the block. Avoid taking that off at all costs. You'll have to lower the oil pan and spend a good amount of time awkwardly scraping the factory gasket from the back of the engine block. Mine didn't come off easy, even with the help of razor blades.
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  5. #5
    Overworked/Underpaid


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    Default

    If you have the time to wait for it to ship, order it from @American-Powerhouse. The FelPro rear main seal I got from Gail included the plastic sleeve to assist with install, made it nice and easy to just tap it in.
    96 Trans Am WS6 LT1 M6: 10/7/11 - current: 245.7 RWHP / 266.2 RWTQ - 14.462s @ 98.28 MPH
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  6. #6
    The Nitrous Outlet Junkie


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    Default

    thanks guys
    94 Formula "budget build" #thebeaterbird
    10.177 @128.31 on a lil 250 shot
    350, LT1, carb, LE grind cam, th400, 4k stall, ford 8.8 w/ 4.10s

  7. #7
    The Nitrous Outlet Junkie


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    so i really got after it yesterday and the rear main seal is fine ... turns out the back of the intake manifold leaked badly so a little rtv and that was fixed ... i also painted the intake manifold not red or silver .......
    94 Formula "budget build" #thebeaterbird
    10.177 @128.31 on a lil 250 shot
    350, LT1, carb, LE grind cam, th400, 4k stall, ford 8.8 w/ 4.10s

  8. #8
    The Nitrous Outlet Junkie


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    Purple metallic
    Attached Images Attached Images
    94 Formula "budget build" #thebeaterbird
    10.177 @128.31 on a lil 250 shot
    350, LT1, carb, LE grind cam, th400, 4k stall, ford 8.8 w/ 4.10s

  9. #9
    "The Rock"


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    @Cahall would LOVE that color!

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    newnx3.jpg

    LOL... I have no idea what you're talking about, Larry...
    Gail C. Cahall
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