Nov 19, 2003 #1 G 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?
Buick parts says they discontinued the part in 1993. AutoZone and Schucks can't find it. Is there an aftermarket source for PEVRs?
Nov 19, 2003 #2 b4black Well-Known Member Joined May 24, 2001 Messages 3,773 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/
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/