I have a leak.

Pmt133

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boat with engine is probably deeper in the water as well.

You will need a scope camera to see wtf it is.
The angle of the test ramp I was able to bury the swim platform which, is above water normally by a couple inches. I don't get it. Unless the housing is cracked or something.
 

Scott06

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The angle of the test ramp I was able to bury the swim platform which, is above water normally by a couple inches. I don't get it. Unless the housing is cracked or something.
might retighten the transom housing bolts as a sanity check and exhaust pipe.

Maybe something simple like shift bellows.
 

Pmt133

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might retighten the transom housing bolts as a sanity check and exhaust pipe.

Maybe something simple like shift bellows.
I actually replaced the Y-pipe oring while the engine was out as a sanity check.

A thought... when I reinstalled the transom assembly some of the hardware got mixed up. The studs ended up with the stainless nuts from the drive instead of the steel ones... I noticed that with the engine out. Could they be yielding and allowing water intrusion with the weight/torque of the engine?
 

Scott06

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A thought... when I reinstalled the transom assembly some of the hardware got mixed up. The studs ended up with the stainless nuts from the drive instead of the steel ones... I noticed that with the engine out. Could they be yielding and allowing water intrusion with the weight/torque of the engine?
No if the studs were changed out and were longer and nuts bottomed out but changing a ss for a steel one isnt going to make a chit of a difference
 

Pmt133

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So I kind of can observe the leak. Looks like the transom assembly itself. Need a smaller inspection camera to fit in there.
 

Pmt133

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So it looks like it coming from the shift bellows passage. Being new bellows that doesn't make sense so I guess I'm pulling that out tomorrow to investigate further.
 

Pmt133

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Doesn't make sense, don't know how it got there, but here's to hoping this it it and I didn't puncture this pulling the bellows out.
20250826_123354.jpg

Makes sense why it only really leaked running at idle in the water though. This was on the top of the bellows. I assume agitation from the exhaust would make it worse.
 

Scott06

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Doesn't make sense, don't know how it got there, but here's to hoping this it it and I didn't puncture this pulling the bellows out.
View attachment 410900

Makes sense why it only really leaked running at idle in the water though. This was on the top of the bellows. I assume agitation from the exhaust would make it worse.
Easy to do I tore a CV joint boot installing an axle only to see grease splattered a week later … any sharpe edge

Could have been there as the part was delivered to you also
 

Lou C

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Nov 10, 2002
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good catch! this is the Achilles heel of I/Os, just too many places to leak water!
 
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