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Oil Pan and rear main seal?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by JayHornyak, Feb 10, 2003.

  1. JayHornyak

    JayHornyak Registered Member

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    Hey has anyone done the oil pan gasket and rear main seal on an 89 with a 350? I was looking at the Haynes manuel and the have me remoing the engine mounts ant liftine the motor up a little and etc. But I just can't see why. and I would like to know before I start if those a generic instructions for unlifted an 2 wheel drives. /forums/images/graemlins/k5.gif
     
  2. 4x4Freak

    4x4Freak 1/2 ton status

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    My brother pulled the pan on his truck and he didnt have to lift the engine. I think he may have had to work it around a little to get it back in though.
     
  3. BowtieBlazer

    BowtieBlazer 1/2 ton status

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    We didn't have to lift the engine but did have to back off everything behind it...Thats a given....a few of the oil pan bolts are a bit tricky to get to if you have oil cooler lines and auto tranny lines...once they are out the way it's all gravy. Quite a time consuming job but all in all not too bad.
     
  4. JayHornyak

    JayHornyak Registered Member

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    What do you meen back off everything behind it?
     
  5. BlaznRebel

    BlaznRebel 1/2 ton status

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    he means unbolt the tranny,and flexplate i believe. then move it back so that you can get inside it.
     
  6. JayHornyak

    JayHornyak Registered Member

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    I only have to move that stuff if I am doing the rear main seal correct?
     
  7. Z3PR

    Z3PR Banned

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    I'm planning on replacing both the rear and front main seals on my 76 K5 (400cid small block) I plan on replacinng the stock oil pan with a deep sump pan, and replacing the stock oil pump with a hi volume oil pump.
     
  8. wrathORC

    wrathORC 1/2 ton status

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    Replacing the pan gasket is a piece of cake. Replacing that one piece rear main is what makes it a chore.
     
  9. BowtieBlazer

    BowtieBlazer 1/2 ton status

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    Yeah, you got it! The tranny and what not has to come back to get to the rear main....replacing just the oil pan gasket should be a straight shot. just a little tight gettign it in and out with the flywheel/flexplate so close.
     
  10. JayHornyak

    JayHornyak Registered Member

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    Cool I hope that is what is leaking All I can afford now is easy. Between a house 98% done a 20 month old and one comung is april who has time or money.
     

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