Having problems with your 2006 Chevrolet Trailblazer ?

Trailblazer vents wont change from defrost ,to your feet,to your face etc. 2004 just had air compressor replaced if that matters.

Posted / edited by AnonymousUser on : 20-05-2019

Answers :

System uses vacuum to operate the doors. Defaults to defrost when vacuum fails. Vacuum line from engine intake manifold is probably off or perhaps leaking--may have been disturbed during the other repair work. look for small loose vacuum line in engine compartment.
Repair Help & Product Troubleshooting for 2006 Chevrolet Trailblazer

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