I THINK IT IS A VACUUM LEAKS

2007 Mercury Marquis

Tiny

trayroa

September, 14, 2010 AT 6:32 PM

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

FOUND 415 RELATED QUESTIONS

1 Answer

Tiny

billymac

September, 21, 2010 AT 7:57 PM

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

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