Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Overview - Heater And A/C Unit, CLIMATRONIC: Notes
There are different versions and manufacturers of the heater and A/C units. Individual components of the different heater and A/C units are similar but not the same. Interchanging components from different manufacturers is not permitted. Refer to Parts Information.
A heater and A/C unit manufactured by "Valeo" is shown in the following illustrations. Refer to IDENTIFICATION for distinguishing characteristics between manufacturers.
Overview - Heater and A/C Unit, Left Side Door Control
- Air Distribution Door Motor
- To check, use the Vehicle Diagnostic Tester
in the "Guided Fault Finding"
function. Refer to
Wiring Diagram.
Electric-manual A/C system
Air Distribution Door Motor -V428- with Air Distribution Door Motor Position Sensor -G645-
- Removing and Installing. Refer to Air Distribution Door Motor -V428-, REMOVING AND INSTALLING .
Climatronic:
- Front Air Distribution Door Motor -V426- with Front Air Distribution Door Motor Position Sensor -G642-
- Removing and Installing. Refer to Front Air Distribution Door Motor -V426-, REMOVING AND INSTALLING .
- To check, use the Vehicle Diagnostic Tester
in the "Guided Fault Finding"
function. Refer to
Wiring Diagram.
- Bolt
- Quantity: 9
- 1 Nm
- Defroster and Air Distribution Door Adjuster
- Only on vehicles with electric-manual climate control system.
- Removing and Installing. Refer to AIR DISTRIBUTION DOOR ADJUSTER, REMOVING AND INSTALLING .
- Rear Temperature Control Door Motor -V137-
- Removing and Installing. Refer to Rear Temperature Control Door Motor -V137-, REMOVING AND INSTALLING .
- To check, use the Vehicle Diagnostic Tester in the "Guided Fault Finding" function. Refer to Wiring Diagram.
- Operating Lever
- For warm air door
- Temperature Control Door Motor
- To check, use the Vehicle Diagnostic Tester
in the "Guided Fault Finding"
function. Refer to
Wiring Diagram.
Electric-manual A/C system
- Temperature Control Door Motor -V68- with Temperature Control Door Motor Position Sensor -G92-
- Removing and Installing. Refer to Temperature Control Door Motor -V68-, REMOVING AND INSTALLING .
Climatronic:
- Left Temperature Control Door Motor -V158- with Left Temperature Control Door Position Sensor -G220-
- Removing and Installing. Refer to Left Temperature Control Door Motor -V158-, REMOVING AND INSTALLING .
- To check, use the Vehicle Diagnostic Tester
in the "Guided Fault Finding"
function. Refer to
Wiring Diagram.
- Operating Lever
- For operating the defroster and air distribution door
Overview - Heater and A/C Unit, Right Side Door Control
- Heater and A/C Unit
- Removing and Installing. Refer to HEATER AND A/C UNIT, REMOVING AND INSTALLING .
- Operating Lever
- For defroster door
- Bolt
- Quantity: 2
- 1 Nm
- Defroster Door Motor -V107-
- With the Defroster Door Motor Position Sensor -G135-
- Only for vehicles with Climatronic.
- To check, use the Vehicle Diagnostic Tester in the "Guided Fault Finding" function. Refer to Wiring Diagram.
- Removing and Installing. Refer to Defroster Door Motor .
- Right Temperature Control Door Motor -V159-
- With Right Temperature Control Door Position Sensor -G221-
- Only for vehicles with Climatronic.
- To check, use the Vehicle Diagnostic Tester in the "Guided Fault Finding" function. Refer to Wiring Diagram.
- Removing and Installing. Refer to Right Temperature Control Door Motor -V159-, REMOVING AND INSTALLING .
- Bolt
- Quantity: 2
- 1 Nm
- Operating Lever
- For warm air door
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.