My 2002 GMC Envoy SLT 4.2L, when using AC, heat blows on driver side, AC on passenger side, Its been sugested I install new left side actuator but can't find installation instructions. Also my thermomster for outside temperture always show 5o degrees, i was advised to install an ambient temperture sensor, again cannot find installation instructions.I am a do it yourself person if I have tools to do a minor repair. Do you agree with the advise I gotten to fix the problems? Where would you reccomend i seek for repair instructions?Thanks,Archie
Country: United StatesMake: GMModel: Envoy SLTYear: 2002Engine: 4.2L
Hello and welcome to Just answer.com, Super mechanic here. Please DON’T hit accept until you are completely satisfied with the answer. If you need any more on it just let me know. About your vehicle.
I would start with the ambient temp sensor. They can have some strange effects on the HVAC system.
THEN, try a recalibration of the actuators. The dash has to come out to replace the left side temp door actuator, (as per instructions) and if needed I can put that in a PDF file.
When replacing the HVAC control module it will be necessary to allow the HVAC control module to perform a re-calibration process. When installing the HVAC control module be sure to perform the following:
When replacing the motor assembly it will be necessary to allow the HVAC control module to perform a re-calibration process. When installing the motor assembly be sure to perform one of the following: Preferred Method (W/Scan Tool)
Alternate Method (W/O Scan Tool)
Please send the PDF instructions for removing and installing left side actuators, and is there two wire connections on the ambient outside temperature sensor?
There should be one connector with 2 wires in it.......The instructions for the actuator are >>>> HERE <<<<<<<...The instructions for the dash are >>>>>> HERE <<<<<<...Air bag DISABLE and ENABLEThanks.
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