2001 GMC Jimmy

2001 GMC JIMMY
130,500 MILES • 6 CYL • 2WD • AUTOMATIC
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SAPPSERMON
  • MEMBER
  • 1 POST
My air conditioner will not blow air at low speeds, will only blow cold air on high.
Aug 30, 2008 at 10:48 AM
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SWILLIAMS
  • ✓Experienced Mechanic
  • 597 POSTS
Check the blower resistor block. It's mounted in the air plenum. When they burn out you only have high speed.
Sep 6, 2008 at 7:16 AM
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