90 C4 heater air door valve motor not working.

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Apr 17, 2008 | 07:07 AM

#11

mech259

Super Moderator

Joined: Jan 2006

Posts: 1,858

From: Lumberton, Texas

RE: 90 C4 heater air door valve motor not working.

Sounds more like the controller is having problems. Does your car have ATC? (Auto Temp Control)

Apr 20, 2008 | 09:35 PM

#12

disporsche

Joined: Apr 2008

Posts: 2

From:

RE: 90 C4 heater air door valve motor not working.

Yes, it ishasautomatic electronic A/C. And I've been through the diagnostics of theshop manual, but this situation was not covered.

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