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#1
IP: 108.18.156.185
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Fuel leak (with pic)
Hi Everyone -
I have a gas smell in the engine compartment and a small amount of gas in the bilge. The engine had been running great -- no smell of gas since I've been running it for a couple of months. I thought it was coming from the fuel line and was about to replace the line, but when I started cleaning everything up, i noticed this part seems to be seeping fuel from the bolts or around the edges. Sorry for the ignorance. Can anyone tell me what exactly I'm looking at here and why/how it could be leaking? I have some ideas after reading the manual, but I'm still unsure. I found it online too and maybe it needs a new O-ring? Would that make it leak? Or maybe replace the "element"? Just looking for someone who might have the same thing or know about one. Notice the wetness around the bolts and the outer edge of the top of this. That's fuel and it reappears quickly right after I clean it off. I don't want to mess with leaking fuel, so I will probably pay someone to come and check the whole thing out, but I'd really appreciate some advice. Thanks so much, Matt ('75 Sabre 28 -- I love to sail, but I stink with engines) Last edited by Mattlurzo; 11-29-2018 at 10:35 PM. |
#2
IP: 70.67.30.98
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First thing I would suspect is the problem is the "O" ring under the lid. You need to carefully remove the cover and have a look. Be sure to turn off the fuel upstream from the filter usually located at fuel outlet on tank. The numbers on the lid are not overly clear but here is what I think you have.
https://www.groco.net/media/file/fil...and-gf-375.pdf
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Chuck 71 Ranger 29 |
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Mattlurzo (11-30-2018) |
#3
IP: 107.77.97.120
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Hi.
Hopefully the forthcoming comments will impress upon you the hazard you face working with gasoline in a confined space. Please have a GOOD fire extinguisher at the ready for this mess. Also; review your whole fuel system to make sure your fuel pump is not pressurizing the line, but rather pulling fuel through most of it and only pushing it to the carburetor for the last 12-inches or so. It should be set up that way so when the fuel line and fittings develop a leak,(and they will) it will suck air and not spray fuel. This is different than a smelly lawnmower with a gas leak—this is dangerous from the simple fact that the gas fumes build up in the boat and don't blow away. Some guys like me go pretty much ape when they smell gasoline on the boat. Cheers, Russ
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Whiskeyjack a '68 Columbia 36 rebuilt A-4 with 2:1 "Since when is napping doing nothing?" |
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#4
IP: 137.200.32.54
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That is a very old school fuel filter. If you can't get parts to fix it, there are many modern filters you can buy.
Also forget the fire extinguisher, that stuff is not going to catch on fire until AFTER it explodes |
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#5
IP: 138.207.175.58
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Quote:
GF-376 Element include 2-231 O-Ring Note the drain plug at the bottom, shown in the exploded parts image. Needless to say, this needs to be addressed forthwith. Bill |
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Mattlurzo (11-30-2018) |
#6
IP: 24.152.132.140
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ALL electrics off in the boat except for the bilge blower. NO ignition sources of any kind, don't even turn the lights on and no electric power tools including a vacuum or flashlight. Leave your cell phone in the car. As advised earlier, shut the fuel tank valve off and clean up all the spilled fuel, put the rags into an open 5 gallon plastic bucket outside the boat and that does not mean the cockpit.
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Neil 1977 Catalina 30 San Pedro, California prior boats 1987 Westsail 32, 1970 Catalina 22 Had my hands in a few others |
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Administrator (11-30-2018), Mattlurzo (11-30-2018) |
#7
IP: 151.188.105.174
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Great info
Thanks so much for the info. It all seems to be adding up now. And I will definitely be very careful with the fumes. It's nice to know that people care so much.
I found the part (element and O-ring) online and at West Marine (actually only $5 more there, which was kind of shocking). I used oil absorbent pads, towels, and a manual pump to clean up the spillage from before and then wrapped the part in an absorbent pad in case any more wanted to leak out until I had a chance to fix it. I'll replace the O-ring and element and have the marine mechanic here look at the fuel system. If it doesn't work, I'll get a newer filter. The info everyone has given me has helped so much! Looking forward to getting this fixed! Cheers Matt |
#8
IP: 24.152.132.140
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To be sure, we do care about your safety with an additional wrinkle. Blow yourself up and we'll hear about it from the diesel snobs for a decade.
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Neil 1977 Catalina 30 San Pedro, California prior boats 1987 Westsail 32, 1970 Catalina 22 Had my hands in a few others |
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Administrator (11-30-2018) |
#9
IP: 151.188.105.174
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LOL got it
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#10
IP: 24.224.195.189
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Agree completely that:
1. ensure no ignition sources 2. replace that filtering system and recheck so that you ensure no leaks. Spend some time and replace the rubber lines if there are any as well with the stuff that is resistant to ethanol degradation. 3. When you open your boat companionway there should be absolutely no smell of gas. Good Luck, but should be a straight forward job.
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Mo "Odyssey" 1976 C&C 30 MKI The pessimist complains about the wind. The optimist expects it to change. The realist adjusts the sails. ...Sir William Arthur Ward. |
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Administrator (12-01-2018), Mattlurzo (12-01-2018) |
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