SOURCE: Trailblazer ac fan only blows at feet or defrost, not console
the actuator motor is the problem most likeley/// at least 3 in system it will be half way up in side dash pull all under sheilding and use flash light and hand to feel for it ,u can watch them move to eliminate the one tha t is not working
SOURCE: my 2002 trailblazer is making a clicking noise in the a/c
more likely a broken door in hvac case.with car running work controls and watch actuaters operate to locate good luck maybee a little challange
SOURCE: Clicking noise in AC/Heater unit. Doesn't do in
the motor that opens the vent is stuck. Put in it fresh air mode. the vent should be on the pass side behind the glove box. Take off the glove box and disconnect the motor and replcae it. Or the cheap way is to not use that mode
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