Oil Leaked Out Of Engine Over Winter

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   Hi Everyone,
Upon opening the boat up after the winter, I notice a lot of oil pooled on the floor by the toilet.  My yard replaced the engine oil during the winterization process.

I traced the oil leak back to a hole in the water pinion housing (the housing that the water pump mounts on. When you are facing the housing there is a hole in it and the engine oil seems to be leaking out from that hole.

Here is a pic of the hole:

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Jamie Members Profile Send Private Message Find Members Posts Add to Buddy List Crew Joined: 06 June 2018 Status: Offline Points: 48	Post Options Post Reply Quote Jamie Report Post Thanks(0) Quote Reply Topic: Oil Leaked Out Of Engine Over Winter Posted: 10 May 2022 at 12:36pm
	Hi Everyone, Upon opening the boat up after the winter, I notice a lot of oil pooled on the floor by the toilet. My yard replaced the engine oil during the winterization process. I traced the oil leak back to a hole in the water pinion housing (the housing that the water pump mounts on. When you are facing the housing there is a hole in it and the engine oil seems to be leaking out from that hole. Here is a pic of the hole:

Jamie Members Profile Send Private Message Find Members Posts Add to Buddy List Crew Joined: 06 June 2018 Status: Offline Points: 48	Post Options Post Reply Quote Jamie Report Post Thanks(0) Quote Reply Posted: 10 May 2022 at 12:38pm
	ANd here is a diagram of the housing from the Bukh Manual (#37 on diagram). I am wondering if there is supposed to be a plug in this hole? Or maybe I have the wrong source of the oil leak. I am thinking that during winterization the mechanic forgot to do something...but I am not sure what.