I was driving and my a/c an recirc stopped working and the heater came on

Asked by migration_mckenny Dec 10, 2013 at 02:23 PM about the 2004 Chevrolet Trailblazer LS RWD

Question type: Maintenance & Repair

The a/c and the recirculating was working just fine and they both shut off at the same
time and the heater came. I can press the a/c button or the recirc button and nothing
happens. I checked all fuse

migration_judge_roy answered 10 years ago

did the flat belt look okay?

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migration_judge_roy answered 10 years ago

did the ALT light come on at all?

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Michael answered 10 years ago

I looked at fan belt it is fine when I press the a/c an nothing happened

1 people found this helpful.

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kathysuperwoman answered 5 years ago

Your actuator door (the door that allows cool or heated air to switch back and forth) is either stuck, or the motor that opens and shuts it has burned out, or the fuse controlling that door is blown. Let's hope it's the fuse, not the door motor, as it's an expensive repair (the labor is intensive, as the entire dash has to be removed on many models).

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I was driving and my a/c an recirc stopped working and the heater came on

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I was driving and my a/c an recirc stopped working and the heater came on

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