2006 GMC C2500 CONTROLS

  • Tiny
  • scott WILLIAMS
  • 2006 GMC C2500

Air Conditioning problem
2006 GMC C2500 V8 Two Wheel Drive Automatic 780000 miles

my a/c runs for awhile than all of asudden the heater starts blowing on the driver side. Why?

Thursday, October 14th, 2010 AT 1:15 PM

1 Answer

  • Tiny
  • hmac300
  • Expert
  • 42,138 posts

Oneof your actuators on theheater box isn't working correctly or the control unit is making it do that. This picture is similarto what you have. they can be electric or vacuum


http://www.2carpros.com/forum/automotive_pictures/406719_actuator_8.jpg

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Tuesday, November 2nd, 2010 AT 5:56 PM

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