Heater

Tiny
KLEWIS37
  • MEMBER
  • 2004 MERCURY MOUNTAINEER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 92,000 MILES
My heater is blowing cold air. It has antifreeze in it
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Monday, February 21st, 2011 AT 6:56 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • EXPERT
WIth the engine running, hot and the heater on, feel both heater core hoses. If both are hot, check the blend air door. If only one gets hot, flush the heater core. NOTE: The engine must be at operating temp for the heater to work properly.
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Friday, April 1st, 2011 AT 6:20 PM

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