built in exhaust tank on 1984 31ft Hunter leaks

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OceanDriver

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Jan 5, 2013
25
Hunter 31 Sea Isle City
I have a 1984 Hunter 31 and all season my bilge would fill up with black/raw water. I finally found the problem, my built in fiberglassed exhaust has a leak, probably from age. Is there a solution to this, or should I just cut it out and replace with a new plastic tank exhaust? Thanks so much, OceanDriver.
 
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Steve Dion

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Dec 2, 1999
15,184
Hunter Vision-36 Rio Vista, CA.
I think the exhaust box is just fiberglass. I would suggest that you consider a FG patch. That should take care of the problem.

PS: Where is the hole?
 
whatfiero

whatfiero

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Oct 30, 2011
542
klidescope 30t norfolk
you must be getting some exhaust fumes in the cabin as well replace it for piece of mind there only $150 new at defender .com
 
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navigator97

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May 24, 2004
470
Hunter 33.5 Portsmouth, RI
They are usually Vennalift Mufflers. You can Google Vernalift Mufflers and get their Web Site. They will have a list of the P/N's for all of the various dimensions of the muffler. From that you can determine which is yours, and if there ia a new P/N that replaces a discontinued one. I found mine on their list for my 1990 H-33.5. It had a new P/N. I haven't replaced mine, but I captured the right P/N for it.
 
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Steve Dion

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Dec 2, 1999
15,184
Hunter Vision-36 Rio Vista, CA.
The muffler on the H'31 was NOT a traditional unit. If Ocean Driver decides to replace the built in box with a traditional water muffler he will need to cut the box out and find a place to install a new thru hull for the exhaust hose connection and build a new platform for his fuel tank.

Not a lot of money if he can do it himself, but a lot of work.
 
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