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Air distribution motor and lever replacement on a 1999 Saab 9-5. The
climate control system in the car operates a large air distribution flap,
which directs the air to the dashboard vents, defrost vents or the
floor.
When the system detects a problem with the air distribution flap, it sets
error code 12 (motor short or open circuit) or 13 (flap jammed) at ACC
calibration. Most of the time it's the motor itself or the plastic lever
connecting it to the shaft. This article shows how to remove and replace
both. You need to re-calibrate the ACC by pressing AUTO+OFF after the work
is done.
Tools:
- Torx T25 screwdriver: glovebox screws;
- Phillips screwdriver or 8mm socket: stepping motor screws;
- needle-nose pliers: testing the shaft.
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