Vent Fuel Tank? [Archive] - Diesel Place : Chevrolet and GMC Diesel Truck Forums

: Vent Fuel Tank?


sshewchuk
02-08-2008, 09:06 AM
Should the fuel tank be vented or sealed so when you open the cap there is pressure there?

High Sierra 2500
02-08-2008, 03:31 PM
Depends on temperature changes etc... The stock fuel cap is designed to retain around 5 psi so there could be a little pressure in there.

jdcrawler
02-08-2008, 04:51 PM
The fuel tank in my old truck is 100% vented and I haven't had any troubles with it. .. Ray