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.