2007 MERCURY MARQUIS I THINK IT IS A VACUUM LEAKS

  • Tiny
  • trayroa
  • 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

Tuesday, September 14th, 2010 AT 6:32 PM

1 Answer

  • Tiny
  • billymac
  • Expert
  • 2,240 posts

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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Tuesday, September 21st, 2010 AT 7:57 PM

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