All Wheel Drive Control Module (J492)

All Wheel Drive Control Module (J492)

Removing

Special tools, testers and auxiliary items required

• 4 mm Allen Wrench

• Torque Wrench 5-60 Nm (V.A.G 1783)

• Drip Tray for VAS 6100 (VAS 6208)

- Turn off the ignition.

- Disconnect the harness connectors - 1 and 2 - from the control module.






- Place the drip tray under the rear final drive.

• It is useful to have large enough parts trolley and some cloths nearby on which removed parts can be placed.

- Remove the bolts - arrows -.






- Carefully remove the control module - A -.

- Remove the cover => [ (Item 3) Cover ] All Wheel Drive Control Module (J492) from the Haldex clutch housing. Continue holding the valve - arrow -.






- Cover the Haldex clutch control valve (N373) - arrow - with a cloth, grab the valve body with pliers and remove it.






Installing

Installation is performed in the reverse order of removal while observing the following:

• The valve seals have different internal diameters.






• - 1 - internal diameter: 10 mm

• - 2 - internal diameter: 11 mm

• - 3 - internal diameter: 12 mm

• - 4 - Seal on the valve body

- First, lubricate the seal - 1 - with high performance gear oil for Haldex clutch (052 175 A1) and install it on the Haldex clutch control valve.






- Then, install the seals - 2, 3 and 4 -.

- Press the centering lips (quantity 4) of the seal - 4 - into the groove.

- Place the new cover - 2 - on the control module - 1 -.






• The cover fits in one position only.

- Install the Haldex clutch control valve - 3 - into the control module - 1 -.






• The valve only fits in one position.

- Carefully position the control module - A - and tighten the bolts - arrows - to specification, see => [ (Item 2) Bolt ] All Wheel Drive Control Module (J492).






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