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james butler wrote:how does it pressurize? a vacuum i can understand as the fuel level drops and air cant get in from a blocked breather.
blakey wrote:It's normal - there's a very good k-jet guide on the Mk1 Golf Forum:
15.1.2 The Fuel Tank
The fuel tank is the obvious place to start in any fuel system explanation - unlike the tanks on early carburetor fuelled engines it is a sealed unit. This allows the natural gassing of the fuel to aid delivery to the pump by slightly pressurising the tank It may be noted that when the filler cap is removed, pressure is heard to escape. Filler caps are no longer vented as previously found.
It's not noticeable on my Scala, but very noticeable on my previous GTX.
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