2002 Chevy Tahoe

2002 CHEVROLET TAHOE
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02 TAHOE
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2002 Chevy Tahoe

my heater works only when the thermostat is turned up all the way.it has been on the computer and they said nothing showed up wrong. the ac works fine. do you have an answer for this?
Sep 17, 2009 at 4:39 PM
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PEAR69
  • ✓ASE Certified Mechanic
  • 1,482 POSTS
  • ASE Certified Mechanic
It could be a failing temperature control switch.
Sep 18, 2009 at 12:52 AM
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