Guest Stally08 Posted August 10, 2013 Share Posted August 10, 2013 For some reason my oil cap keeps blowing off its a brand new cap cuz for the same reason it blew off and I lost it, it has a rubber retaining strap attached i would of lost it if that wasn't there, there is a rubber seal on the inside of the cap but it just doesn't seem to stay on any advice whether its just a case of it happening or whether something could be wrong? Cheer guys Quote Link to comment Share on other sites More sharing options...
Guest Paul Grainger Posted August 18, 2013 Share Posted August 18, 2013 Check the breathers are not blocked, the ones from the crank case up to the intake manifold. There is also the black valve that can also block. Good luck Quote Link to comment Share on other sites More sharing options...
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