Bad mode door actuator on GMC Envoy

Average mileage: 134,269 (10,000–279,690)
2 model years affected: 2002, 2003
13 people reported this problem
5 people shared problem details
2002 GMC Envoy51,000
2002 gmc envoy dash vents on driver side blows hot air and passenger vents blow cold air and I cannot get the driver vents to blow cold air, any suggestions???????
The Envoy one day started a clicking noise from the center of the dash when I would start it up. It would last only a few seconds. I started pushing the buttons for the vent operations and it would do it then. After doing some online research and looking under the dash while operating the door I determined it was the mode door actuator (the clicking is the motor in the actuator going bad). I also learned that only the 2002 Envoy had to have a puller to remove the old actuator. After purchasing the replacement part and finding out the price for a puller ($60 ebay -$160 dealer)I thought about a beam clap that can be bought for .89 cents at Lowes or Home Depot in their electrical dept. Taking a grinder I was able to make it fit over the new part and I had to flex the clap so the jack bolt would line up with opening for the shaft, all of 15 minutes. Puller worked like a charm and after about and 1 1/2 hour it was in and everything was operating.
2002 GMC Envoy120,000
Air conditioner. sit.and cold. Sid
2002 GMC Envoy145,000
clickimg sound when you first start engine - last 30 sec. A/c blows hot air while driving at times. Cold air blows while heater on at times.
2002 GMC Envoy10,000
I have be dealing with this same problem since the truck was new. I has a LOUD ticking in the dashboard. If you turn the defroster on and off again, it will stop, only to start back up again.
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