Originally Posted by costina
Once the air has gone in tank pump will not b able to suck
All tanks have a breather lets in air but not out thats why when you remove cap it makes a noise
like a non return valve if the car is rolled
The breather in a saff is in the filler neck and small tube at top of tank i think one of those anyway
thanks for that and thanks to Andy above too! this makes good sense and i'd love it to be the solution but i wont bet on it knowing my luck
