Mechanics

A\C FAN BLOWS PART TIME

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.
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Shawn3295
August 30, 2011.




Do lower speeds work? If yes suspect blower motor controler under right side dash
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Docfixit
Aug 30, 2011.
No there is no middle speeds. Very low or wide open. If it's set on high

Tiny
Shawn3295
Aug 30, 2011.
Then controler

Docfixit
Aug 30, 2011.

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