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Dave Nova
Dave Nova, Cadillac Technician
Category: Cadillac
Satisfied Customers: 1522
Experience:  ASE Master Certification. GM World Class Certification
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A/C in my 01 Deville isn't working. If u t it on the dash

Customer Question

A/C in my 01 Deville isn't working. If u hit it on the dash board it would kick on or slam the door now it just blows hot air
Submitted: 1 year ago.
Category: Cadillac
Expert:  EricFromCT replied 1 year ago.

Hi. Does your car have dual temperature control? If so, does it blow out hot on both sides or just one?

Customer: replied 1 year ago.
No it doesnt have dual
Expert:  EricFromCT replied 1 year ago.

The most common cause for what you have is the air temp actuator going bad and not changing from hot to cold. I have not seen slamming the dash or door cause it to work before. Even though the actuator is the most common cause you may have a loose connection in your case. Possibly at the hvac control, or the actuator itself.

But I think it would be worth replacing the actuator to start with.