presure in the gas tank

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Jun 9, 2006 | 04:03 AM

gottfuel

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Member

Joined: Jun 2005

Posts: 409

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From: desert

Car: only GM,88 camaro, 91r/s camaro, 91

Engine: Clean oil, looks fresh, no leaks

Transmission: Bright Red, never burnt, no leaks

Axle/Gears: currently whining

presure in the gas tank

its been realy hot here and ecery time i go to fuel up and twist off the gas cap it depressureizes.,,.is this normal and if not how do i fix it

Jun 9, 2006 | 06:03 AM

jim91gta

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Joined: Mar 2000

Posts: 91

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From: Odessa FL

Car: 1991 GTA

Engine: 5.7

Transmission: Auto

That has always been the case with me. Whenever I take the gas cap off I get the woosh of air.

Jun 9, 2006 | 06:15 AM

Xophertony

Supreme Member

Joined: Jun 2003

Posts: 2,733

Likes: 2

From: Or-eh-gun

Car: 2012 Nissan Leaf

Engine: 80-kW AC synchronous electric motor

Transmission: Automatic

Axle/Gears: n/a

you can get a vented gas cap from any auto parts store. however if your charcol canister still works the tank is suposed to be a pressurised system. (according to service manual i think.) i don't think it matters. i run a vented cap with no issues.