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I've been stuck on high heat for many many months now. Very toasty when it's in the 90's F.

I've found as I have everything out of the dash that I can move the cable connected to the servo and change the position of the mixer flap easily.

I thought that the servo had some kind of gear connected that moved the cable which is connected to the flap on the heater box. There is some resistance on the cable from the servo when I move the cable manually. It really moves pretty freely.

Checked with 3 ACCs and they all throw 1 fault immediately and not go through the calibration process.

Could the mixer temp sensor cause this issue as well as a dead servo?

When this first started occurring they were strange noises coming from the servo section.

How do you get to this part now there is no glove box where the air bag resides?

Any help is greatly appreciated

Jeff
 

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I think you can access it by removing the dash top and the section of duct work directly under the windshield. My wife's car is throwing a code for mixer temp sensor but it does have heat and the flaps move properly.
 
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