Mechanics

I ALSO NEED THE VACUUM LINE DIAGRAM FOR THE VENT/AC. THANK YOU IN ADVANCE, ROBERT

2000 GMC Safari • 93 miles

Vacuum line leaks causing poor gas mileage and the a/c defaults to the defroster vents.
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Casbob
October 17, 2011.



The vacuum diagram is for manual hvac.


JDL
Oct 17, 2011.