Question about 1996 Chevrolet C1500

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I CAN HEAR A HISSING SOUND BY THE FUEL CAP AFTER I TURN OFF MY TRUCK

1996 CHEVY TRUCK FUEL PUMP STAYS ON"

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If you hear a hissing sound from the gas cap then the o ring that seals the tank is either cracked or tore. the tank has to build up pressure. thats where u r hearing the hissing sound replace it, it should stop after.

Posted on May 23, 2009

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If this helps you please rate by checking the 4 thumbs up! Thanks for using Fixya.com

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