93 PCM Transmission Oil?

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  • schiffsnautique
    • Mar 2007
    • 57

    • Up the Allegheny from Pittsburgh

    • 98 Natiuque Super Sport 93 SNCB

    93 PCM Transmission Oil?

    My manual states using "20 20W" engine oil for my PCM transmission. Could someone clear up exactly what "20 20W" is? Is this straight 20 weight which is very difficult to find and my local shop (mainly a river/jet boat dealer) only has 30 weight? The fluid in the tranny now is pink which obviously leads me to believe that tranny fluid is currently in there. Could someone give me some insight on this issue as to what they use or recommend? Want to change it ASAP.
  • TimF
    • Apr 2008
    • 3



    #2
    I also have a 93' with a PCM transmission. The manual does state 20W for PCM and Dexron for Warner. The ID plate on my transmission says Dexron II and its pink so I am going with Dexron III.

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