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Replacing front pump seal on TH350 Transmission

Discussion in 'Oldsmobile Cutlass / 442 / Hurst/Olds' started by onespeedyrc, Apr 25, 2012.

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  1. onespeedyrc

    onespeedyrc Not-quite-so-new-guy

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    How much of a pain is it to replace the front seals on the a TH350 Transmission? Dropping it shouldn't be a problem, I just wonder what can of worms I'd be getting into. From the diagrams I have it looks like there is a seal behind the torque converter in the center of the pump housing, and a larger one on the pump housing. Looks like this just unbolts and slides out or is there more to it? Seems that since this car sat for 3+ years in storage, more and more leaks are cropping up. I'm going to replace the fluid and filter, any other seals or gaskets that I should look at since the trans will be out of the car? Change modulator or any other parts? Any advise is greatly appreciated!
     
  2. Billys88SS

    Billys88SS Not-quite-so-new-guy

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    I would do the front and rear tranny seals...as well as checking your rear main oil seal while the tranny is out.
     
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