A\C FAN BLOWS PART TIME

  • Tiny
  • shawn3295
  • 2003 GMC Yukon
  • 130,000 miles

My a\c fan control is blowing very erattic. If u turn the fan speed on high it might not bloe but very low. You can turn off the car and crank it back up and it will then blow on high but will soon go back to low.

Tuesday, August 30th, 2011 AT 5:18 PM

3 Answers

  • Tiny
  • Docfixit
  • Expert
  • 18,991 posts

Do lower speeds work? If yes suspect blower motor controler under right side dash

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Tuesday, August 30th, 2011 AT 6:24 PM
  • Tiny
  • shawn3295
  • Member

No there is no middle speeds. Very low or wide open. If it's set on high

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Tuesday, August 30th, 2011 AT 6:29 PM
  • Tiny
  • Docfixit
  • Expert
  • 18,991 posts

Then controler

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Tuesday, August 30th, 2011 AT 6:50 PM

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