GappySmeg Posted February 20, 2016 Share Posted February 20, 2016 I've had my Z 2 months today... brimmed it when I bought it and embarrassingly, today was the first fill-up since. When I opened the filler cap, there was a prolonged whoosh of air... couple of seconds... couldn't quite determine if it was air escaping or air entering, but my feeling is it was air entering. I'm guessing that's not normal. Guessing a return hose, or some form of breather is blocked. Can anyone point me in the direction of what I should be looking at? Quote Link to comment Share on other sites More sharing options...
GMballistic Posted February 20, 2016 Share Posted February 20, 2016 Perfectly normal AFAIK. Quote Link to comment Share on other sites More sharing options...
Humpy Posted February 20, 2016 Share Posted February 20, 2016 Yep very normal and nothing to worry about Sent from my D6503 using Tapatalk Quote Link to comment Share on other sites More sharing options...
Irn Bru Posted February 20, 2016 Share Posted February 20, 2016 ^^^ as above, just vacuum pressure release because you filled her up and waited till near empty to put more fuel in Quote Link to comment Share on other sites More sharing options...
Zeezeebaba Posted February 20, 2016 Share Posted February 20, 2016 Normal and proves your cap is in good order. Quote Link to comment Share on other sites More sharing options...
Stutopia Posted February 20, 2016 Share Posted February 20, 2016 Totally normal It's just asking for a supercharger instal! 3 Quote Link to comment Share on other sites More sharing options...
LloydZee Posted February 20, 2016 Share Posted February 20, 2016 Both of my zeeeeee's have done this, normal operation Quote Link to comment Share on other sites More sharing options...
GappySmeg Posted February 20, 2016 Author Share Posted February 20, 2016 Well I never... most cars have some form of breather to allow the pressure in the tank to equalize... with it forming a vacuum, can't be good for fuel delivery?!? Any-hoo... learn something new everyday! Cheers all. Quote Link to comment Share on other sites More sharing options...
BobbyZ Posted February 20, 2016 Share Posted February 20, 2016 It's your zed's way of telling you to drive it more Quote Link to comment Share on other sites More sharing options...
chirag1988 Posted February 20, 2016 Share Posted February 20, 2016 NORMAL NORMAL NORMAL Quote Link to comment Share on other sites More sharing options...
modo Posted February 20, 2016 Share Posted February 20, 2016 It's normal. Quote Link to comment Share on other sites More sharing options...
TT350 Posted February 20, 2016 Share Posted February 20, 2016 Pressure between the outside and your fuel tank equalising. Quote Link to comment Share on other sites More sharing options...
Mj86 Posted February 20, 2016 Share Posted February 20, 2016 More like telling you "WHERE THE [bEEP] IS MY 15 GALLONS OF SUPER UNLEADED?!?!"... Quote Link to comment Share on other sites More sharing options...
Tricky-Ricky Posted February 20, 2016 Share Posted February 20, 2016 (edited) In theory it shouldn't as there is both a vent hose at the tank and one that's connected to the evap system which should periodically purge the vapor from the tank. Edited February 20, 2016 by Tricky-Ricky Quote Link to comment Share on other sites More sharing options...
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