Rear heater vents not working on 04 trailblazer.
Rear heater vents not working on 04 trailblazer.
Hi, the rear heater vents on my 04 trailblazer just blowcold air.The vents for the front system blowhot air when on. Please help!!!
Re: Rear heater vents not working on 04 trailblazer.
Sound like a common problem of a bad temperature door motor in the rear unit.
The rear unit is located behind the inside rear quarter trim panel on the pasenger side. This has almost all the same parts as the front, but work independently from the front.
The rear has a temperature door motor and a mode door motor (for changing the position of the airflow). They are the same part as the ones in the front dash, and fail just as often. There is a picture of one on this page for the Silverado- same thing...
temperature actuator
The rear unit is located behind the inside rear quarter trim panel on the pasenger side. This has almost all the same parts as the front, but work independently from the front.
The rear has a temperature door motor and a mode door motor (for changing the position of the airflow). They are the same part as the ones in the front dash, and fail just as often. There is a picture of one on this page for the Silverado- same thing...
temperature actuator
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