Woody2000 Posted October 18, 2021 Report Share Posted October 18, 2021 Have a funny smell of petrol only on the drivers side near the back of the car think it might be the overflow pipe Do I just change it or block /cap it instead also which pipe should I use and size thanks Mark car is a 1973 saloon mk2 Link to comment Share on other sites More sharing options...
Pete Lewis Posted October 19, 2021 Report Share Posted October 19, 2021 a plastic tube would be fine anything really dont block a breather unless you fit a breathing filler cap cant see whats on mine without de triiming the boot the question is why is it leaking ??? its a breathe and not there to leak fuel in any normal situation Pete Link to comment Share on other sites More sharing options...
NonMember Posted October 19, 2021 Report Share Posted October 19, 2021 The tank breather pipe on UK-spec cars is normally just routed from the highest point of the tank, up a bit then down and out through the boot floor. I don't remember details of the 2000 saloon but the principle is the same across the range. The idea is that any smells are kept at ground level where you don't notice them. US market cars were subject to legislation that required an "evaporative loss control system", even from the late 1960s (all modern cars have to have them). This traps the vapours in a charcoal canister then purges them into the engine inlet manifold next time you drive it. As Pete says, never seal it off because the tank needs to breathe. Link to comment Share on other sites More sharing options...
Woody2000 Posted October 19, 2021 Author Report Share Posted October 19, 2021 Not sure but think it might have a hole in it as can only smell it on the drivers side near the boot Link to comment Share on other sites More sharing options...
PeteH Posted October 19, 2021 Report Share Posted October 19, 2021 A PO hasn't fitted a filter in the fuel line?. I had a car which had one just forward of the rear wheel well, It corroded and leaked, stank of petrol, £5 replacement. Pete Link to comment Share on other sites More sharing options...
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