1998 Mercury Mountaineer no heat

1998 MERCURY MOUNTAINEER
98,000 MILES • V8 • AWD • AUTOMATIC
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SJET1680
  • MEMBER
  • 1 POST
i have no heat i changed the thermostat and the heat sensor
Dec 7, 2009 at 6:45 AM
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RICKMAR
  • ✓ASE Certified Mechanic
  • 170 POSTS
  • ASE Certified Mechanic
You possibly have a Blend Door Actuator problem.
The door will not move into position for the heater core exposure.

Rick
Dec 17, 2009 at 1:04 AM
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