Mechanics

I THINK IT IS A VACUUM LEAKS

2007 Mercury Marquis

Air Conditioning problem
2007 Mercury Marquis V8 Two Wheel Drive Automatic 80000 miles

Every time I push the gas and start up a hill my AC starts blowing through the defrost
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Trayroa
September 14, 2010.



Hi yes it is a vac prob the easy repair is to install a vac check valve into the vac going in with the heater core hoses. 1 dollar part should solve this

Billymac
Sep 21, 2010.