Heater in my 2000 GMC Yukon

Marina Estelle

Asked by Jan 15, 2016 at 11:02 PM about the 2000 GMC Yukon

Question type: Maintenance & Repair

The heater will only work half the time in the front
"as in it only blows cold/warm air" but the heaters
In the back work all the time blow hot air.

1 Answer


May need to have the blend door in the front blower box checked,it controls heat and cool mixture,sounds like it may be stuck center if you only get luke warm air only.

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