2003 Chevy Suburban Air conditionor only works on high

Tiny
POPPS42
  • MEMBER
  • 2003 CHEVROLET SUBURBAN
  • V8
  • 2WD
  • AUTOMATIC
  • 109,000 MILES
My A/C only works on High not the lower levels, plus it causes my idle to go up and down, making the air warmer. What can cuase this and to fix it? My A/C is with a knob not digital. This only happens on the front A/C not the rear A/C.
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Tuesday, September 15th, 2009 AT 5:28 PM

1 Reply

Tiny
RASMATAZ
  • MEMBER
Find the blower motor resistor and replace it
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Tuesday, September 15th, 2009 AT 5:36 PM

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