Replacing the rear differential clutch control unit of the propeller shaft (Opel Insignia A)

1. Remove the muffler.

2. Remove the propeller shaft.

3. Remove the rear wheel drive shafts.

4. Loosen the bolts and move the rear suspension stabilizer bar to the side.

5. Remove the protective cover (1) from the hydraulic pump.



6. Unhook the cable clamps.

7. Disconnect the electrical connector.

8. Install the hydraulic stand under the final drive.

Caution: To prevent personal injury and/or component damage, the final drive housing must be supported with hydraulic struts.

9. Loosen the four bolts (2) securing the rear final drive.

Note.

• Replace the rear final drive mounting bolts with new ones after each removal.
• Tightening torque: 90 Nm + 90° + 15°

10. Secure the main gear housing with cable ties.

11. Lower the final drive housing.

12. Loosen the two bolts (3) securing the control unit.

Note: Tightening torque: 6 Nm.

Caution: The differential clutch oil is under very high pressure. To prevent injury, wait at least ten minutes before removing any differential clutch components.

13. Remove the rear differential clutch control unit (5) with the seal (4).

Note: Do not separate the control unit and the check valve.

14. Installation is carried out in the reverse order of removal.