Heater Blowing cold air

Tiny
LADYCECE
  • MEMBER
  • 2002 DODGE STRATUS
Heater problem 4 cyl Front Wheel Drive Automatic 150000 miles

I have just put 50/50 coolant in the car and it stayed warm for a day now the heater only blows on the highest settings and it is blowing out cold air. I had the thermostat and water pump replaced last year. I need to know what could cause this problem? Thanks for your response.
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Thursday, December 3rd, 2009 AT 12:36 PM

2 Replies

Tiny
CARADIODOC
  • EXPERT
Hello,

It sounds like you have air trapped in the heater core not allowing coolant to enter or you have a temperature blend door actuator not working here are two guide to help you get started finding and fixing the problem.

https://www.2carpros.com/articles/car-heater-not-working

and

https://www.2carpros.com/articles/replace-blend-door-motor

Many of the 4 cylinder engines need to be burped after refilling the cooling system. I would try raising the car in the rear with the engine running and heater on full blast. See if the coolant level drops.

caradiodoc
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Wednesday, December 9th, 2009 AT 5:23 AM
Tiny
LADYCECE
  • MEMBER
Yep I followed these guides and all I had to do has jack the rear of the car us and everything worked no charge! Thanks for the tip I love this site.
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Wednesday, December 9th, 2009 AT 9:23 AM

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