HEATER IS NOT BLOWING HOT BLOWS COLD ALL DAY ...

  • Tiny
  • ripp9375
  • 2002 Chrysler Sebring
  • 120,000 miles

Heater is not blowing hot, blows cold all day long but no hot. Checked the blend door and actuators and they are fine. Hoses going into firewall are both hot. What is the problem?

Monday, January 28th, 2013 AT 3:56 AM

6 Answers

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,310 posts

If the blend doors are working and the heater core is hot, you should have heat. Is the engine warming up to a normal operating temp?

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Monday, January 28th, 2013 AT 4:01 AM
  • Tiny
  • ripp9375
  • Member

The heater core was not hot at all. The car overheated a few months ago and blew the motor. I had the motor switched out and havent got heat since.

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Monday, January 28th, 2013 AT 4:03 AM
  • Tiny
  • ripp9375
  • Member

I had the radiator flushed when the motor was switched, could the sludge that was in the radiator be clogging the heater core? Or should I replace the heater core?

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Monday, January 28th, 2013 AT 4:04 AM
  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,310 posts

Yes it could. I would suggest flushing the heater core.

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Monday, January 28th, 2013 AT 4:07 AM
  • Tiny
  • ripp9375
  • Member

Can I do that or should I take it too a shop, what are the steps I need to take to do that on my own?

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Monday, January 28th, 2013 AT 4:08 AM
  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,310 posts

You can do it at home. The flush product you get should have directions. All you do is remove the heater core hoses at the firewall and spray high pressure water through each direction.

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Monday, January 28th, 2013 AT 4:20 AM

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