About 2 years ago my car was blowing out cold.

Tiny
TEDAVI01
  • 2007 PONTIAC GRAND PRIX
  • 140,000 MILES

About 2 years ago my car was blowing out cold air when I ran the heater I got the heater core replaced then it worked great. Last year I had the same problem I took it in they replaced the water pump and flushed it out. Iut worked great again. Now this year I have the same thing again. We changed the thermostat and flushed it again it worked great for a week and now its back to cold air. Is it the switch?

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Wednesday, November 7th, 2012 AT 3:18 PM

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Tiny
HMAC300
  • EXPERT
  • 45,734 POSTS

When engien is warm see if heater hoses are both hot, if they are check the actuators in heater box. Check the actuator that I have pointed to in the pic

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Wednesday, November 7th, 2012 AT 3:42 PM

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