Re: 56 Firestone 5 hp.Water Pump

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February 17, 2018 at 1:53 pm #71168
jim-moffatt
Participant

    US Member

    check the seals and pipe that goes between the lower unit and the pump cavity. THe seals should be in good condition.
    Sometimes the pump casting gets corroded and distorts the stainless cup. The only fixes for this are to remove the cup and then the corrosion or replace the whole assembly.