Transfer Case: Service and Repair

03 - Service Procedures

Haldex Clutch, Changing Oil

Special tools, testers and auxiliary items required

• Torque Wrench (V.A.G 1331)





• Used Oil Collection and Extraction Device (V.A.G 1782)





• Oil absorbent towel (VAS 6204/1)

• Charging Device F/Held 2 Coup. (VAS 6291)





- Raise vehicle with lift and position Used Oil Collection and Extraction Device (V.A.G 1782) under Held clutch.

- Remove oil drain plug - A - and drain high-performance oil completely.





- Install a new drain plug with a new gasket. Drain plug has a permanent seal.

Tightening specification: 30 Nm

- Remove oil filler plug - B -.

- Disconnect elbow - B - from adapter - A - and completely install adapter in oil filler opening.





- Position elbow again and route hose over driveshaft to prevent it from hanging down.

- After hose is routed above left rear wheel and away from vehicle, you can drain vehicle.

- Screw oil container - A - with valve closed - arrow - onto Charging Device F/Held 2 Coup. (VAS 6291).





- Open valve - arrow - and hold oil container as shown in illustration.

Oil capacity in service: 0.65L High performance oil for Held clutch (G 055 175).

- You can check for correct filling by lifting vehicle again and check whether oil is leaking out at adapter - A -.





- If oil is still not leaking, lower vehicle again and continue with filling procedure.

- As soon as oil begins to leak out, hold oil container below highest level of Held clutch so that extra oil can flow out of the line and back into the container.

- Remove Charging Device F/Held 2 Coup. (VAS 6291) and reinstall oil filler plug.

Tightening specification: 15 Nm

- Now check for correct oil level at specified temperature range.

- Connect the vehicle tester. Refer to => [ Tester, Connecting ].





- Select in succession:

• Vehicle Self-Diagnosis

• Chassis

• All wheel drive with Held clutch

• 01 - On Board Diagnostic (OBD) capable systems

• All wheel drive Held

• Electrical Components

• Oil temperature

Oil temperature must be between 68° F and 104° F (20° C and 40 °C); this can be achieved by driving until warm.

- Remove oil filler plug again - arrow -.





Oil level is correct when Held clutch is filled to lower edge of oil filler hole or up to 3 mm minimum below upper edge of filler hole.

- Use a new gasket and tighten oil filler plug.

Tightening specification: 15 Nm