[C320-list] Mysterious water leak C320 Hull 78

[argates2nd at comcast.net]

I once had a slow leak in #182 from a screw holding the bilge pump base that had punctured the hull slightly. 

Rollie 



----- Original Message -----


From: "Jeff Brown" <oceanblues at mac.com> 
To: C320-List at Catalina320.com 
Sent: Tuesday, October 2, 2012 9:22:33 PM 
Subject: Re: [C320-list] Mysterious water leak C320 Hull 78 

Guys, 
Thanks for all the ideas, I have my next weekend (or two) cut out for me. 
Best regards, 

Jeffrey Brown 
(949) 350-5123 




On Oct 2, 2012, at 5:59 PM, Pat Ireland wrote: 

> Jeff 
> 
> The strut flange is the logical point of concern, but it seems odd that 
> there would be no moisture around the packing gland if the leak was from 
> the strut flange.  It looks like the packing gland is lower than the strut 
> flange. 
> 
> Two water sources in the area that you describe would be the raw water 
> intake for the engine and galley sink thru hulls.   A thru hull may be 
> closed, but if the valve is leaking and the hose is compromised at some 
> point, you would have a leak.  You could remove the hoses from the thru 
> hulls to verify that they are in fact shut off. 
> There is also an air gap on the Port side.  It should only leak if the 
> duckbill is backwards/clogged and the engine is running, but maybe I have 
> that wrong and it's easy to ckeck. 
> 
> Chris has suggested talcom powder to trace a leak.  We have used paper 
> towels.  The news paper that was suggested may be stiff enough to feed into 
> an area where you can't see. 
> 
> Good luck on your troubleshooting. 
> 
> Pat, 801