WHY DOES THE HEATER ONLY BLOWS HOT AIR WHEN THE ...

  • Tiny
  • Anonymous
  • 2006 Cadillac DTS
  • 95,600 miles

Why does the heater only blows hot air when the car is in motion, even when the temp is set to 90?

Thursday, January 17th, 2013 AT 1:37 PM

1 Answer

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,410 posts

Have you checked to make sure the coolant is full? Also, is the engine running at a normal operating temp?

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Thursday, January 17th, 2013 AT 2:43 PM

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