need help

proshine43

Petty Officer 2nd Class
Joined
Sep 5, 2010
Messages
161
Hello all, I have an omc 90 outdrive. I have the 2 oil plugs on the starboard side, and an unknown plug in the port side, upper unit
Last time I had the engine running with the muffs, water was coming out of this unknown plug. I currently am doing a pressure test
And so far so good. I went to tighten that unknown plug and the entire plug pushed Into the upper unit. And so far the pressure is still good.
Any thoughts? I'm on a mobile device so I can't attach a pic. Please help, thanks.
 
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