Preliminary Work

Information 

• Secure steering wheel with wheels in straight-ahead position (engage steering column lock or clamp steering wheel in center position with steering-wheel holder). If this is not done, the airbag contact unit will have to be put in the center position after installation of the steering gear → 945019 REMOVING AND REINSTALLING STEERING-COLUMN SWITCH
• Before the pressure and return line can be disconnected, place a suitable container in a position to catch any escaping hydraulic fluid. 
• Wear protective goggles and gloves. 

1. Raise the vehicle. → 4X00IN LIFTING THE VEHICLE
2. Remove front wheels. → 440519 REMOVING AND REINSTALLING WHEEL
3. Remove front wheel housing liner on the left and right. → 505619 REMOVING AND REINSTALLING FRONT WHEEL HOUSING LINER
4. Remove underbody panelling. → 519219 REMOVING AND REINSTALLING COVER FOR FRONT UNDERBODY
5. Remove front-axle support at the front.
   1. 5.1. Loosen fastening screws -2-  and remove front-axle support at the front.
      Fig 1: Identifying Front-Axle Support At Front

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6. Remove fastening screws on engine mount.
7. Loosen lower torque support. → 103719 REMOVING AND REINSTALLING TORQUE SUPPORT
   1. 7.1. Remove outer threaded joint (take out screw).
   2. 7.2. Loosen inner threaded joint (leave screw in place).
8. For all-wheel drive vehicles: Loosen drive shaft on the transmission side.
   1. 8.1. Use a protective tube (shop-made) -1-  for the drive shaft.
      Fig 2: Identifying Protective Tube

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   2. 8.2. Loosen fastening screws -arrows-  using socket insert XZN 10 T10501  .
      Fig 3: Locating Transmission Drive Shaft Mounting Screws

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9. Remove heat shield -1-  .
   Fig 4: Identifying Heat Shield And Mounting Screw

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   1. 9.1. Undo fastening screws -2-  .
   2. 9.2. Take off heat shield -1-  .
10. On vehicles with Servotronic: Pull off connector -1-  .
    Fig 5: Identifying Servotronic Connector

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11. Detach universal joint -1-  .
    1. 11.1. Unscrew clamping screw -2-  .
    2. 11.2. Push universal joint -1-  with lower part of steering column upwards -3-  and pull it down past the steering gear shaft -4-  .
    Fig 6: Identifying Clamping Screw

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12. Loosen connecting link from the spring strut.

    Conventional connecting link: 

    Loosen the top fastening nut -1-  .

    Remove fastening screw -3-  .

    PDCC connecting link: 

    Loosen the top fastening nut -1-  .

    Fig 7: Identifying Conventional Connecting Link And Screw

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    Counter ball pin using a screwdriver 9546  .

    Fig 8: Identifying PDCC Connecting Link And Screw

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13. Remove air guide -1-  on both lower trailing arms.
    Fig 9: Identifying Air Guide On Lower Trailing Arm

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14. Loosen fastening nut -arrows-  on the lower spring strut on both sides, but do not remove the bolt yet.
    Fig 10: Locating Lower Spring-Strut Mounting Nut

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15. Remove plenum panel cover. → 852219 REMOVING AND REINSTALLING PLENUM PANEL COVER
16. Support the engine on the body. → 1001IN SUPPORTING ENGINE ON THE BODY (ENGINE SAFETY DEVICE)