Gas Leak On Fill up
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From: Miami, FL
Gas Leak On Fill up
Hey guys,
Whenever I fill up my tank a bunch of gas leaks leaks out. usually on the back passenger side but sometimes on both sides. I just fill up until the pump stops once....any ideas?
Whenever I fill up my tank a bunch of gas leaks leaks out. usually on the back passenger side but sometimes on both sides. I just fill up until the pump stops once....any ideas?
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From: West Palm Beach, FL
its the e85. you have been running it for a really long time and its pretty corrosive stuff.
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From: Miami, FL
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From: West Palm Beach, FL
no. but, i run 93 octane. ethanol absorbs water which will rust away your tank. its also a big problem with marine fiberglass tanks as well. you, and everyone else running e85, should look into a plastic gas tank. my aem w/m injection tank has had 100% methanol in it since i got it over 3 years ago and hasn't leaked at all. our tanks were designed to run a 10% mix of ethanol at max. but lets face it, replacing a gas tank is way less expensive than replacing a motor.
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The list of fuel-system components that must be modified for FFVs is extensive. Examples include, but are not limited to, hoses and other rubber components, such as fuel pump and fuel pressure regulator diaphragms and fuel injector o-rings to address possible leakage and permeation of fuel and vapor. Modified electrical wiring and connectors are required for submersed components, such as the fuel-level sender and fuel pump. Increased evaporative emissions carbon canister capacity, a modified fuel tank vapor pressure sensor and modified engine valve and valve seat materials may also be required. Both metal and plastic fuel tanks must be designed to accommodate E85. For example, traditional terne-plated steel (lead-tin-alloy coating) fuel tanks and monolayer high-density polyethylene fuel tanks are not compatible with E85.
source--->http://www.afdc.energy.gov/afdc/pdfs/41853.pdf
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rasta lift up the back seats and take out the metal plate that sits over the fuel pump. from there start shining a flash light all around the initial hole for the FP to check for leaks or inspect gaskets.
if you can't find anything then you might have to just drop the tank and inspect the seals around the casing and again on the inlet tubes into the tank.
we had this similar problem on a tc locally also. we replaced some rubber rings and gaskets and resealed then it was fine.
brett is right though... e85 eventually will take its tole.
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Scikotics
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don't think it is the tank, I've been there several times and even the bare aluminum ground point is doing well. I can only think of two things; seal around the fuel pump case or the filler tube connecting to the side of the tank. Last time I looked at the side of the tank it's just a rubber hose with a worm type clamp. Another thing (just maybe) if you fill it up too much, the excess goes down to the black box next to the tank on the passenger side to evaporate.
Should be a simple fix. I've been running E85 for about two years, something to lookout for from now on.
Should be a simple fix. I've been running E85 for about two years, something to lookout for from now on.
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From: Miami, FL
its not. chances are the seals around filler tube that lead to the tank on the inside of the car might have corroded away some and also any seals around the fuel pump that hold it in and seal it.
rasta lift up the back seats and take out the metal plate that sits over the fuel pump. from there start shining a flash light all around the initial hole for the FP to check for leaks or inspect gaskets.
if you can't find anything then you might have to just drop the tank and inspect the seals around the casing and again on the inlet tubes into the tank.
we had this similar problem on a tc locally also. we replaced some rubber rings and gaskets and resealed then it was fine.
brett is right though... e85 eventually will take its tole.
rasta lift up the back seats and take out the metal plate that sits over the fuel pump. from there start shining a flash light all around the initial hole for the FP to check for leaks or inspect gaskets.
if you can't find anything then you might have to just drop the tank and inspect the seals around the casing and again on the inlet tubes into the tank.
we had this similar problem on a tc locally also. we replaced some rubber rings and gaskets and resealed then it was fine.
brett is right though... e85 eventually will take its tole.
Thread Starter
Senior Member
SL Member
Joined: Dec 2005
Posts: 564
From: Miami, FL
don't think it is the tank, I've been there several times and even the bare aluminum ground point is doing well. I can only think of two things; seal around the fuel pump case or the filler tube connecting to the side of the tank. Last time I looked at the side of the tank it's just a rubber hose with a worm type clamp. Another thing (just maybe) if you fill it up too much, the excess goes down to the black box next to the tank on the passenger side to evaporate.
Should be a simple fix. I've been running E85 for about two years, something to lookout for from now on.
Should be a simple fix. I've been running E85 for about two years, something to lookout for from now on.
Thread Starter
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SL Member
Joined: Dec 2005
Posts: 564
From: Miami, FL
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rasta u got mail man... sorry i took a little to get back to you man!!!
i highlighted the places we inspected and found issues with on my buddies tc. you'll see it in the PDF i sent you. if you need more PDFs of the entire fuel system or the car LMK. i have the FULL pdf manual for the tc the covers the car from head to toe =)
im almost certain its the large rubber ring on top. if the gas leaks from both sides some of the places i outlined would be the quickest places to check.
i highlighted the places we inspected and found issues with on my buddies tc. you'll see it in the PDF i sent you. if you need more PDFs of the entire fuel system or the car LMK. i have the FULL pdf manual for the tc the covers the car from head to toe =)
im almost certain its the large rubber ring on top. if the gas leaks from both sides some of the places i outlined would be the quickest places to check.