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Gas fumes in my boat make it unusable Help!
- PDXCarver1
- Scurvy Dog
- Posts: 3
- Joined: October 21st, 2019, 3:37 am
- Vessel Info: 1994 37' Aft Cabin with Twin Gas Engines
- Location: Portland OR
Gas fumes in my boat make it unusable Help!
It currently has maybe 10 gallons in each tank and I believe the problem is coming from my fuel filler hoses and vent hoses based upon what I have read in thusforum and others.
I've also been told that changing them out is a fairly easy task that can be done myself.
Does anyone know if there are any step by step DIY directions or videos of photographs showing this being done or can anyone give me an idea of where to order these hoses and how to start and any sage advice they have accumulated along the way
Thanks in advance for your help
- Midnightsun
- CYO Supporter
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- Vessel Info: The Midnight Sun
2007 41CMY
Volvo D6-370's - Location: Montreal, Canada
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Re: Gas fumes in my boat make it unusable Help!
Welcome to the forum.
- bud37
- Admiral
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Re: Gas fumes in my boat make it unusable Help!
PDXCarver1 wrote:Source of the post All of a sudden the gas fumes on my boat have become extremely noticable and unbearable and a serious fire hazard.
It currently has maybe 10 gallons in each tank and I believe the problem is coming from my fuel filler hoses and vent hoses based upon what I have read in thusforum and others.
I've also been told that changing them out is a fairly easy task that can be done myself.
Does anyone know if there are any step by step DIY directions or videos of photographs showing this being done or can anyone give me an idea of where to order these hoses and how to start and any sage advice they have accumulated along the way
Thanks in advance for your help
Before you go too far, double check everything....... a very small amount of fuel can create a fume odor we can smell ( we can smell less than one part per million concentration vapor ). Could be a fuel feed line/fitting etc and check the tanks. FYI... Gasoline fumes are heavier than air .
Be very careful, this may be something you want to get an experienced mechanic to do if not comfortable. Good luck
-
- CYO Supporter
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- Vessel Info: 1998 Carver 355
Suspicious Fishes !
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Re: Gas fumes in my boat make it unusable Help!
- PDXCarver1
- Scurvy Dog
- Posts: 3
- Joined: October 21st, 2019, 3:37 am
- Vessel Info: 1994 37' Aft Cabin with Twin Gas Engines
- Location: Portland OR
Re: Gas fumes in my boat make it unusable Help!
Tonschauer...I only know of the two tanks and have never seen the auxiliary tank people talk about
- bud37
- Admiral
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Re: Gas fumes in my boat make it unusable Help!
Its just that there are so many other things to check, easy to get led astray and you can take that under a part per million thing to the bank, regardless not to be ignored. Again good luck and be careful.
Actually there is a question....has your fume detection alarm sounded at any point yet ?
- km1125
- Admiral
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Re: Gas fumes in my boat make it unusable Help!
I have the older version of this boat, the 3607 aft cabin. On mine, the fuel fills on on the deck and go straight down into the tanks. The hoses are about 18" long if I recall correctly.
On mine, there are panels in the salon that get removed and you get pretty good access to both the fuel fill hose and the tank vent hose. Where are your vents located? Mine are on the side hull about 2' below where the fill is. If you change the vent hose, make sure you put the loop in that was there from the factory.... that prevents water from getting in your tank.
ALSO - check the tank vents to make sure they are not plugged up with wax or spider nests. If they're plugged then the fumes have to find another place to exit the tank.
- waybomb
- CYO Moderator
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- Joined: February 5th, 2013, 9:24 pm
- Vessel Info: 1995 Boston Whaler Rage15
1987 3697 Carver Mariner
1988 Cougar 46 Kevlar Vee offshore
1969 15' Glasspar / 1967 Johnson Electromatic 85
1996 Boston Whaler Rage 15 - Location: Saint Joseph,Mi
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Re: Gas fumes in my boat make it unusable Help!
Fred
1969 Glaspar Avalon /1969 Johnson Electromatic 85
1987 Carver Mariner
1988 Cougar Kevlar 46' with triple blown 572 ci
1995 Boston Whaler Rage
Past - 1988 2807, 1989 4207 Aft
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- CYO Supporter
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Re: Gas fumes in my boat make it unusable Help!
BTW, shutting off all electrical power is a good idea but DO NOT disconnect the batteries unless you're absolutely sure there are no vapours present.
PS; are you sure you're smelling fuel? I've had people mistake the strong odour of badly permeated holding tank/toilet hoses for fuel leaks.
- km1125
- Admiral
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Re: Gas fumes in my boat make it unusable Help!
Has anybody run their tanks that low on purpose?
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