I have a 2002 Chevy Trailblazer LTZ recently the air conditioner has stopped blowing I can hear a loud tap-tap-tap but no air comes out what's causing this is it just a stuck switch how expensive is i
Did you unhook the battery for any reason? Also, does it not work on all speeds?
My shifter switch broke so its been sitting for a week or so. Battery died so it had to be jumped. It was working before that. Just got shifter fixed and the a/c quit. I can hear the blower (assuming that what its called) but no air coming from the vents.
Bad news, your vent actuators have blown IF you can hear the blower going through the different speeds. Cheap parts, but pain in the butt to replace. It's a design flaw really, they can easy blow (go out) when the battery is hooked back up or jumped or new battery put back in. Unfortunately it's a common problem with our platform.
Thank you. This is helpful. At least I know what to work on.
You do you access it? Where is it located?
How not you lol
It's accessed through the dash unfortunately. Youtube "trailblazer vent actuator". Envoy is exactly the same, I see 3 videos there.
Thanks. I appreciate your help!
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