THE HEATER AND AC SYSTEM DOES NOT SWITCH TO THE ...

  • Tiny
  • Anonymous
  • 2002 Chevrolet Blazer
  • 18,900 miles

The heater and a/c system does not switch to the floor vents?

Wednesday, December 26th, 2012 AT 7:29 AM

1 Answer

  • Tiny
  • hmac300
  • Expert
  • 41,600 posts

First pull the hvac fuse for 60 seconds then see if it works or not. Then check yoru actuators one is'nt working. Then check for a vacuum leak and see if vacuum is gettin to one of these vacuum motors. There is one for direction and another for heat/cold.

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Wednesday, December 26th, 2012 AT 2:53 PM

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