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Source for PEVRs?

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Graeme

New Member
Joined
Nov 16, 2003
Messages
12
Buick parts says they discontinued the part in 1993. AutoZone and Schucks can't find it.

Is there an aftermarket source for PEVRs?
 
Nope. Very hard to find even a good-used.

But don't bother. It's just a pressure activated switch. When pressure hits the reference port, it block the flow of vacuum thru the other two ports. It's a complicated way to accomplish what a check valve the same thing an in-line check valve does.


Or read here for a bionic PEVR (PECV) valve.
http://members.fortunecity.com/petesbuick/
 
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