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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15201
Experience:  GM Grand Master Technician 2007. 14 years experience.
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Chevrolet Trailblazer LS: i have a 2003 trailblazer the

Customer Question

i have a 2003 trailblazer
the problime is the AC works perfect while the car is idle or running in low speed
but once i hit the Highway & start speeding the air stops & i can hear that the blower is working but i also can hear the air is moving very fast but only a little comes out
Submitted: 2 years ago.
Category: Chevy
Expert:  GM Tech (Cam) replied 2 years ago.
Hello, I'm Cam.
Can I get your first name please?
Sorry to hear about this issue, lets see if we can solve it.
The air flow redirects, but the fan keeps running. Are you able to determine where the air flow goes to? Dash? floor?
Can you change the speed of the fan then at all? Can you change the modes when stopped and when driving?