compressor surge!! what to do??

[suprafanatic]

ok im hiting 20vac when its hot. and like 15-20 when its cold

 

[Poodles]

there is a small valve that allows the boost pressure to go to the other side of the diaphram, that pressure is what actually causes the BOV to actuate...

if the valve is clogged it won't work, that's why you run a small filter on the vaccuum line...

 

[suprafanatic]

huh?