MY HEATER DOES NOT WORK CONSISTENTLY AND ...

  • Tiny
  • kennethclubb
  • 2000 Mercury Villager
  • 148,000 miles

My Heater does not work consistently and sometimes will only blow cold air. I have replaced my thermostat and my temp gauge reads normal. Any suggestions?

Friday, February 1st, 2013 AT 1:28 PM

1 Answer

  • Tiny
  • hmac300
  • Expert
  • 42,987 posts

Try puling yoru hvac fuse first to see if it will reset actuators, if not lmake sure heat is going to both hoses for heater as well as coolant level being full. Then check to make sure blend door on heater is working all the time. It could be a partially plugged heater core as well but these checks should let you know wha tis going on. Make sure coolant level is full though

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Friday, February 1st, 2013 AT 3:06 PM

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