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What's my RFL supposed to sound like?

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Eric_7810

15+ Year Contributor
112
3
Nov 17, 2004
Byron Center, Michigan
I have a 91 TSi. It has an RFL bov on it from when I bought it. It's vented (dont comment) and I'm just curious how its really supposed to sound. When I just run it normally, letting off at about 12 psi, it makes an insanely loud, airy noise, similar to when a big rig sets its air brakes. It bugs me because it's VERY SLOW to blow off, I'd say between 1.5-2.0 secs. BUT, if I put it up to about 12 psi, and let off my gas pedal about 95%, not completely, I get a nice, quick, high pitched sound. How the heck is this thing supposed to work? Thanks for any help! :thumb:
 
See thats what I dont get, I've heard about these washers that go in it. The bov was on the car when I bought it so I have no clue. I took it off and took it apart and didnt find anything. Where do the washers go so I can know what I'm looking for here, because I swear this is the problem.
 
When you unscrew the top off, the washers go underneath the spring thats in there.
 
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