Does my envoy have rear AC?
The Trailblazer EXT and Envoy XL have a complete rear HVAC system that has the additional plumbing and condenser which is why the larger quantity of freon.
Why is my GMC k1500 AC not working?
Now with AC on … read more 1996 GMC/Chevrolet k1500 ac compressor clutch is not kicking in. It was working with a hot switch running from under the dash to the evaperator/dryer switch. I replaced the in dash ac switch and unhoo … read more
How do I Reset my climate control module?
My 2003 GMC Yukon XL Has just decided to only blow all heater/AC air out of the defroster vents. I have the dual control temperature and … read more Vocational, Technical or Tra… When I turn on my A/C it only blows out the defrost in the front. The back controls are fine. This happened after I replaced the battery a couple of … read more
What kind of HVAC does GM Silverado have?
GM Silverado: 2004 Silverado with dual zone auto HVAC. Had 2004 Silverado with dual zone auto HVAC. Had been experiencing problem of driver’s side A/C going to full hot intermittently for quite some … read more 2002 GMC Yukon Denali – just replaced alternator yesterday.
What’s the name of the climate control module?
2002 GMC Yukon Denali – just replaced alternator yesterday. Now today, while driving, I had the fan speed control module in the off position, … read more Automotive Diagnostic Spe…
How much does it cost to replace climate control on 2005 GMC Envoy?
The actuator should cost about $200 and replacement will require 0.6 hours of labor. If a 2005 GMC Envoy is fitted with dual GMC climate control but the driver’s side does not provide heat, will rebooting the system or resetting the actuators fix the problem? A reboot may work.
Why do I have problems with my GMC climate control?
This could be caused by a leak in one or more of the a/c components and an a/c leak machine will be required to locate the leak. If the line stays cold, it could mean a defective actuator on the heater box. The actuator controls the heating and cooling operations and a defective one could cause the problem being faced.
Why does my GMC A / C heater jump from hot to cold?
This is an electrical component in the GMC climate control system that controls the hot/cold functions of the heater and the a/c heater box. If it loses its internal setting it can jump from hot to cold on its own or even go to heating when cooling is set. If this is the cause the actuator will need to be replaced.
Why does my GMC air conditioner not shut off?
The air conditioner fan on a 2003 Denali fitted with auto GMC climate control will not shut off even with the ignition off and the key out. What is the reason and what can be done to fix it? GMC has issued a recall for fans that will not shut off.