A/C Blend Doors always rotate to Hot

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Fjs0001

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I've had this issue for four years now. My blend doors always try to go to hot. During the summer time I pull the fuse to recalibrate and unplug both the passenger and driver actuators when they are calibrating on the cool side. When winter comes around I plug them back up so that they move back over to the hot side.

Any ideas?
 

George B

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They sound like they are failing calibration. Do you have a scanner that can see them luke a tech2? My bet is that the little POT that reads position is not reading right in one or both of them. Hard to say without a scan tool.
 
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Fjs0001

Fjs0001

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No I don't have a tech2, I wish I did. I've been debating on purchasing one.
 

George B

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Maybe someone close has one.
 
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