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I purchased a pair of bailey dv30 recirc valves for the s4
When I installed them and went for a spin I cannot hear them dumping at all
the stock ones (710a) I could hear no problem
this does not bother me but I thought it was strange
the car doesnt feel any different power wise
Also when I took the old valves off I can blow through them from charge pressure side to vacuum pipe, the bailey ones I cannot
Is that normal?

FYI, they are re-circulating so you should not here any chav whoosh whoosh!

you should be able to test them with a hand vacuum pump and see the valves actuate.
If they don't hold negative pressure then they are mullered.

SimonS4MTM wrote:FYI, they are re-circulating so you should not here any chav whoosh whoosh!

I know i shouldnt beable to hear any chav woosh, I DONT want to
what i am saying is i could hear the standard ones, the baileys ones i cant

damaged 710 will make noises , good ones should not so should be all good but if in doubt do a pressure test

it seems the old dvs are fecked, just thought it was strange how both were exactly the same which is what made me question it