Operation CHARM: Car repair manuals for everyone.

All Wheel Drive Control Module






All Wheel Drive Control Module

Special tools, testers and auxiliary items required

Torque wrench 5-50 Nm (VAG 1331)

Drip tray for VAS 6100 (VAS 6208)

Removing

When removing control module - 1 -, cover - 2 - and plate spring - 5 - are removed together. Pressure sensor - 4 - and valve - 3 - are removed separately.





- Switch ignition off.

- Separate connectors - 1 - and - 2 - on control module.





- Place drip tray under final drive.

- Remove screws - arrows -.





Ensure no parts fall below when removing control module.

- Carefully remove control module - A -.

- Carefully grasp Haldex clutch control valve ( N373) - A - with pliers on metal housing - arrow - and remove.





- Remove pressure sensor - B -.

- Remove Haldex clutch control valve (N373) seal - arrow - from housing.





Installing

Install in reverse order, paying attention to the following:

- Coat the new Haldex clutch control valve (N373 ) seal - arrow - with high performance Haldex clutch oil and insert it in the housing.





- Replace O-rings - 1 - and - 2 -.





- Note different diameter:

Inner diameter O-ring - 1 - = 11 mm

Inner diameter O-ring - 2 - = 12 mm

- Replace O-ring - arrow A - at pressure sensor.





The marking - arrow B - on the convex side of the plate spring - 2 - faces up and toward the pressure sensor - 1 - in installation location.

- Place plate spring - 2 - with convex side on pressure sensor - 1 -.

- Place the new cover - 5 - on the control module - 6 -.





- Insert pressure sensor - 4 - with plate spring in new cover - 5 - and press onto connector. Convex side of plate spring faces toward pressure sensor.

- Lightly coat new pressure sensor - 4 - O-ring with high performance Haldex clutch oil.

- Insert valve - 1 - in new cover - 5 - and control module - 6 - and press onto connector.

- Lightly coat new O-rings - 2 - and - 3 - with high performance Haldex clutch oil.

- Carefully position the control module - A - and tighten the screws - arrows - to the specified tightening specification=> [ (Item 2) Bolt ] All Wheel Drive Control Module Assembly Overview.





- Check the oil level in the Haldex clutch => [ Haldex Clutch Oil Level, Checking ] Haldex Clutch Oil Level, Checking.