A/C works great but no heat either side or defroster.
Feb 7, 2024 at 6:47 PM
There is no heat going to the heater and defrost?
2006 HUMMER H2
RICHARD ARNOLD
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The first thing I would do is wait until the engine is cold and then check the coolant level, here is a guide and video of what you should do as a preliminary inspection:
https://www.2carpros.com/articles/car-heater-not-working
and
https://youtu.be/SNRb6pSwYuU?si=dUsW2xPbLmqeVxXW
If everything looks okay here is the temperature blend door actuator which sounds like it is not working. There is one for each side.
Please check out this guide and the images below.
https://www.2carpros.com/articles/replace-blend-door-motor
Check out the images (below). Please upload pictures or videos in your response to the problem so we can see what's going on.
https://www.2carpros.com/articles/car-heater-not-working
and
https://youtu.be/SNRb6pSwYuU?si=dUsW2xPbLmqeVxXW
If everything looks okay here is the temperature blend door actuator which sounds like it is not working. There is one for each side.
Please check out this guide and the images below.
https://www.2carpros.com/articles/replace-blend-door-motor
Check out the images (below). Please upload pictures or videos in your response to the problem so we can see what's going on.
Images (Click to enlarge)
Feb 8, 2024 at 1:46 PM
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