Asked by Mar 10, 2016 at 11:19 PM about the 2004 GMC Envoy

Question type: Maintenance & Repair

I just bought a 04 envoy and the heat isn't blowing,
I can feel it coming out but when I turn the knob...
Nothing. How do I fix this?!

5 Answers


So the blower motor is not working? I would test the blower motor with a different power source to make sure that it is good. Otherwise it is usually the blower motor resistor that is bad.

1 out of 1 people think this is helpful.

Agree,may not hurt to check ya fuse to.


Yea the heat not ac, I'm not getting anything when I turn the knob, but when I'm driving and I have it set on heat (even though it isn't working) I can feel it seeping through, or maybe it's a draft from the motor,




Just do as I explained, or just get a new resistor and try it. Its up to you. The engine and heater core still have the heat generated, it is just not getting pushed out by the blower motor.

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