Questions & Answers for: gmc envoy heater fan problems

...GMC Envoy XL (4.3L) when the a/c / heater is on the dash controls don't work and when i turn the car off the fan still blows resulting in a drained battery. how can i fix this? The way to fix this is ...

...GMC Envoy. My A/C and Heater recently stopped blowing air. I know that the compressor works because it gets cold to the touch. While I drive the fan is forced to spin because of the wind coming into ...

...control and one for automatic speed control. http://www.sparkys-answers.com/2009/01/2002-gmc-envoy-no-low-blower-speeds.html yes replace blower motor ressistor check wireing harnnes gm had a ...

my 2003 gmc envoy heater or fan won't turn off. The engine is off key removed and it is still blowing Did you happen to find out what the problem is. I am having the same issue?

heater fan-what's up with this and what can I expect on fixing problem? Sounds as if a Heater Resistor unit may have gone haywire . Normally situated under the passenger footwell area . Can be changed

...gmc envoy xuv The speed resistor is open. The resistor is downstream of the blower motor and needs the fan to blow on it to cool it. Annette, it's your blower motor resistor. Need to specify whether ...

...GMC Envoy I can't pass emissions because of code P0526. I have changed thermostat, temperature sensor, made sure there are no leaks, what am I missing I fixed heater hose, there's nothing leaking, I ...