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coolant in oil

  1. Coolant detected in oil (Westerbeke W21)

    Hi guys, I just got oil report from my Westerbeke W21 back and there are 7% of coolant detected in there. Was 0% for previous two years since i got my new old boat. This season i changed coolant pump and injectors. Does not look like this would affect any seals because coolant pump is driven by...