Re: Gas tank vent issue
the vent hose coming from the tank should have a check valve in it , it could be allowing air one way and not the other , this causing like a backlash and when the tank heats from the dailey temps the tanks swells with no venting be allowed to release pressure ....i would check the valve or replace it if there is a spring in it the spring can corrode from the ethanol holding it back. or if you have an attwood style gas cap with the vent in it , a certain model was recalled for the venting issue i believe check online attwood gas tank cap recall
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