trying to find why the vacumn keep leaking down we have put new parts throughout on 1992 Pontiac Bonneville

the system accept for a condensor. We also used die to locate a leak and found out it was leaking at the low preessure valvce and we change the valve stem and stop it now its leaking down again

by in Macon, GA on June 24, 2013
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1 answer
ANSWER by , June 24, 2013
its an old system you may have several leaks,seek the help of a pro