2005 GMC YUKON NO HEAT

  • Tiny
  • Pat4752
  • 2005 GMC Yukon

Heater problem
2005 GMC Yukon V8 All Wheel Drive Automatic 50000 miles

Hi,

My 2005 Yukon is not blowing warm air when in the heat mode. It will blow exceptionally cold air when in the air conditioning mode. ANy ideas what to check first?

Monday, October 6th, 2008 AT 12:32 PM

1 Answer

  • Tiny
  • rasmataz
  • Member

Try replacing the thermostat for a start-don't work you could be dealing with a malfunctioning air mix/blend/mode/ doors to include an actuator/vacuum problems.

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Friday, October 10th, 2008 AT 4:11 PM

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