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  1. 9

    Mercruiser alpha 1 gen 2 pressure test issue

    All oil was drained, I tested the lower drive unit after input shaft seal and shift rod seal replacement- all good. I put it back on the main and thought I'd double check the drive overall. Looks like what Bt Doctor said the oil line is compromised, pressure held 15 min. untill I lowered the...
  2. 9

    Mercruiser alpha 1 gen 2 pressure test issue

    Pressure testing Mercury alpha 1 gen 2 sterndrive after replacing shift shaft seal and input shaft seal. (sterndrive on boat, not removed) holds pressure well when in trailer position but leaks air rather quickly when trimmed down to level. Some gear oil accumulating on gear oil supply hose but...
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