I have a 1966 TC 41' and last fall I started having problems with fuel coming out of the tank vents when fueling the boat. First it started with the port tank and now both. When I get to about about 145 gallons even pumping at a very slow rate, fuel starting to come out of the vents. Any thoughts?
Dan
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Thread: Fuel Tank Vents
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08-22-2017 08:22 AM #1Registered Member
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- Aug 2013
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Fuel Tank Vents
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Re: Fuel Tank Vents
I had the same problen. I took off the brass on the outside of the boat that covers the line at some time martins or dirt dobler had made the hole smaller. Took them off just two screws. Sand blasted them cleaned them out and repainted and put back. I have one for water,2for fuel,2for holding tank. I did it for all of them.I still get a little from the fuel Ibelieve that comes from the vented loop left over
My neighbor replaced his line from tank to outside vent on the fuel. His quit trickling at fueling time. His thinking was the line was deterating inside and not letting the air out as fast as it should.
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Re: Fuel Tank Vents
We had the trouble even after cleaning the vent covers and also changing the vent lines (wasn't as bad) so we added Racor Lifeguards which eliminated the issue.
CRICKET
1966 HAT50C101
Purchased 1985 12v71Ns
Repowered 1989 with 8v92TI
Repowered 2001 with 3406E
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Re: Fuel Tank Vents
I had that problem but only on the port tank. Diesel mechanic noted that the genset fuel return was plumbed into the vent line. I had been letting the genset run while fueling. With the gen shut down my overflowing problem went away.
Eric
41TC 1966 Hull #53 "Requisite"
Kent Island, MD/Ft. Lauderdale, FL
"Though she creaks - She holds"
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09-10-2017 05:08 PM #5Registered Member
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09-10-2017 05:10 PM #6Registered Member
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