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Jeep Wrangler YJ
YJ General Discussion
Gas fumes in cab after pulling up or in heavy traffic
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<blockquote data-quote="TimberTim" data-source="post: 439140" data-attributes="member: 20208"><p>there are three seals or gaskets on top of the tank . I just replaced all three of mine to Pass California Smog check because my tank wouldn't hold 5 PSI pressure.</p><p>1). The Big square Gasket around the Fuel Pump access panel</p><p>2), 2 gromet style seals around the roll over check valves</p><p></p><p>To check your Gas tank's ability to hold pressure, have your Girl Friend do the following. attach a thin rudder glove to the fill tube with a rubber band.</p><p>Take a tire valve stem and cut off the large bulbus part on the end , this will leave you a straight valve stem with a Schrader valve inside . poke a small hole in one finger of the glove and insert the valve stem, secure it with a rubber band . use your air compressor to put enough air pressure into the tank to expand the glove like a balloon , Very little pressure is needed to expand the Glove Balloon and be carful not to blow off the glove from the fill tube. watch the glove to see if it stays inflated, if not refill the glove with air and spray the top of your tank with soapy water and look for soap bubbles at the leak . hope this Helps.</p><p>It doesn't sound like a hose or you would see drips on the ground, the seals I mentioned would emit air only. If you do this repair shake your roll over valves when you have them out, if they rattle they are in working order</p></blockquote><p></p>
[QUOTE="TimberTim, post: 439140, member: 20208"] there are three seals or gaskets on top of the tank . I just replaced all three of mine to Pass California Smog check because my tank wouldn't hold 5 PSI pressure. 1). The Big square Gasket around the Fuel Pump access panel 2), 2 gromet style seals around the roll over check valves To check your Gas tank's ability to hold pressure, have your Girl Friend do the following. attach a thin rudder glove to the fill tube with a rubber band. Take a tire valve stem and cut off the large bulbus part on the end , this will leave you a straight valve stem with a Schrader valve inside . poke a small hole in one finger of the glove and insert the valve stem, secure it with a rubber band . use your air compressor to put enough air pressure into the tank to expand the glove like a balloon , Very little pressure is needed to expand the Glove Balloon and be carful not to blow off the glove from the fill tube. watch the glove to see if it stays inflated, if not refill the glove with air and spray the top of your tank with soapy water and look for soap bubbles at the leak . hope this Helps. It doesn't sound like a hose or you would see drips on the ground, the seals I mentioned would emit air only. If you do this repair shake your roll over valves when you have them out, if they rattle they are in working order [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Gas fumes in cab after pulling up or in heavy traffic
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