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  1. #11

    Re: Rebuilding difficulty Onan 131-0257 pump

    It's really hard to tell from the picture, and as someone suggested an acid dip or some other cleaning would probably help.

    But is it possible that those are the remnants of a previous seal and it's just fossilized due to age?
    --- The poster formerly known as Scrod ---

    I want to live in Theory, everything works there.

    1970 36C375

  2. #12

    Re: Rebuilding difficulty Onan 131-0257 pump

    Take a punch and try to bump it out from the bearing side. I bet that is part of a seal from the earlier model pump that onan used.

  3. #13

    Re: Rebuilding difficulty Onan 131-0257 pump

    Will try

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