andy07 Posted March 18, 2009 Report Posted March 18, 2009 hi everyone i have a 2.8 v6 1999 gal. 1st of all im not sure if its called an anti-return valve but its mounted on the side of the air filter box (beneath the air intake hoses) via a rubber mount which it slides into and has a green connector plug attacted to it with breather tubes connected both sides, mine and for sometime now has been making a hollow pumping sound more noticeable at tickover but when i disconnect the green connector the pumping sound stops but engine still ticks over ok. just wondered whats its proper name and a rough cost just so i know how much to save. thanx guys sorry about the brief description only i cant see it in the haynes anywhere :P Quote
andy07 Posted July 24, 2009 Author Report Posted July 24, 2009 hi everyone i have a 2.8 v6 1999 gal. 1st of all im not sure if its called an anti-return valve but its mounted on the side of the air filter box (beneath the air intake hoses) via a rubber mount which it slides into and has a green connector plug attacted to it with breather tubes connected both sides, mine and for sometime now has been making a hollow pumping sound more noticeable at tickover but when i disconnect the green connector the pumping sound stops but engine still ticks over ok. just wondered whats its proper name and a rough cost just so i know how much to save. thanx guys sorry about the brief description only i cant see it in the haynes anywhere :lol: Quote
andy07 Posted July 24, 2009 Author Report Posted July 24, 2009 just an update in case it might help someone else out 1 day. still dont know what its called or what it does but took it out to clean anyway,whilst playing around with it i noticed a jet screw in one of the ends so i got a small screwdriver and gave it a couple of turns to tighten it (not to tight).anyway the pumping/popping sound has stopped, i can only presume the valve inside had worked loose over time. Quote
andy07 Posted October 26, 2010 Author Report Posted October 26, 2010 just an update in case it might help someone else out 1 day. still dont know what its called or what it does but took it out to clean anyway,whilst playing around with it i noticed a jet screw in one of the ends so i got a small screwdriver and gave it a couple of turns to tighten it (not to tight).anyway the pumping/popping sound has stopped, i can only presume the valve inside had worked loose over time. its a purge valve, but does it affect performance if stuck open or closed? Quote
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