1992 Pontiac Bonneville Q&A

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

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 -
Answer 1
its an old system you may have several leaks,seek the help of a pro -