THROWS LUKE WARM AIR AT IDLEWILL ONLY THROW HOT ...

  • Tiny
  • outlander69
  • 1992 Plymouth Acclaim
  • 96,642 miles

Throws luke warm air at idle, will only throw hot air if you rev it up, I flushed rad and heatercore replaced thermostat still the same

Friday, December 14th, 2012 AT 2:39 AM

4 Answers

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,305 posts

Are both heater core hoses getting hot? Is the coolant full and free of air blocks?

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Friday, December 14th, 2012 AT 2:42 AM
  • Tiny
  • outlander69
  • Member

Yes and yes

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Saturday, December 15th, 2012 AT 12:42 AM
  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,305 posts

If both hoses are getting hot, then you have a problem with the blend air door. Check that.

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Saturday, December 15th, 2012 AT 12:59 AM
  • Tiny
  • outlander69
  • Member

Replaced 16# rad cap with a 7# cap and got alot more heat.

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Saturday, December 15th, 2012 AT 2:26 AM

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