2007 Mercury Marquis I think it is a vacuum leaks

Tiny
TRAYROA
  • MEMBER
  • 2007 MERCURY MARQUIS
  • V8
  • 2WD
  • AUTOMATIC
  • 80,000 MILES
Every time I push the gas and start up a hill my AC starts blowing through the defrost
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Tuesday, September 14th, 2010 AT 6:32 PM

1 Reply

Tiny
BILLYMAC
  • EXPERT
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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