Warren G
Member
Registered: 14th May 06
Location: Kent
User status: Offline
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they should hold vacum if you pump vacum in them?
am i correct?
mine doesnt hold vacum, and prob why it doesnt make any noise and only works sometimes, what aload of shit. 
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Neo
Member
Registered: 20th Feb 07
Location: Essex
User status: Offline
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Yeah, Its only when you close the throttle that the pressure become too high and the valve expells the air.
So do you need to adjust the spring pressure so its not constantly open 
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Warren G
Member
Registered: 14th May 06
Location: Kent
User status: Offline
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vacum pulls it open ie when you come off boost postive charge, the negaivtive vacum pulls it open and releases exessive pressure
though its a twin piston design so doesnt suc air in when not on boost as has an air flow meter
so just woundering when i vacum it up, it is supost to hold isnt it?
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spikedjack
Member
Registered: 16th Oct 08
Location: wolverhampton/cannock
User status: Offline
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vacuum from which end warren?
the side that attatches to the boost piping? with a vacuum it should hold correct
a combination of the spring and the possitive pressure from the inlet to the vac pipe hold it shut, and then when you back off the throttle, a combination of the possitive boost pressure and the vacuum from the inlet overcome the spring and release or "dump" the excess boost
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Warren G
Member
Registered: 14th May 06
Location: Kent
User status: Offline
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mine is realy quite, and im sure isnt working, yet some times i hear it
but it doesnt hold vacum on the vacum pipe end, so it faulty, great
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DaveyLC
Member
Registered: 8th Oct 08
Location: Berkshire
User status: Offline
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A twin piston DV requires vacum and pressure.
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Warren G
Member
Registered: 14th May 06
Location: Kent
User status: Offline
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well it has a vacum feed which will run positive pressure under boost...
reguards less, it should hold vacum not drop off....
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thegsi
Member
Registered: 3rd Feb 07
Location: Kidderminster Drives: Evo (you can't afford one)
User status: Offline
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Is it a Bailey? Have you checked the spring is intact? If its damaged, it obviously won't open or close properly which is why you're hearing it quietly at times.
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Nic Barnes
Member
Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline
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can get rebuild kits for baileys
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RS6
Member
Registered: 5th Nov 03
Location: with MJ
User status: Offline
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you can get replacement springs green or yellow for forge ones, bloke done a guide on cupra net for testing them
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DAZ1985
Member
Registered: 3rd Sep 06
Location: Scholar Green, Cheshire
User status: Offline
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quote:
Originally posted by RS6
you can get replacement springs green or yellow for forge ones, bloke done a guide on cupra net for testing them
got the link for that? my mate having troubles with a split-r on his cupra
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antnee
Member
Registered: 30th Dec 07
Location: Cov Drives: Clio 197
User status: Offline
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quote:
Originally posted by DAZ1985
quote:
Originally posted by RS6
you can get replacement springs green or yellow for forge ones, bloke done a guide on cupra net for testing them
got the link for that? my mate having troubles with a split-r on his cupra
Probally cos it's a split-r, 1.8T's don't like split-r's. Get a 007p on it
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