Removing Front Wheel Bearing Housing

Information 

• If assembly work was performed or parts were replaced that affect the vehicle height, complete suspension alignment is necessary. 
• Protect electric lines when removing and installing the spring strut on vehicles with PASM. 
• Do not lift/transport the spring strut/vibration damper at the electric line. 
• The ignition must be switched off before disconnecting the plug connection (PASM) for the spring strut. 
• The spring strut and wheel bearing housing are removed from the vehicle together. 
• A helper is needed in order to take out the spring strut/wheel bearing housing. 

1. Remove connecting link from anti-roll bar.

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   Lower connecting link mounting

   1. 1.1  Unscrew fastening nut -1-  To unscrew the fastening nut, counter with a > 9546 - screwdriver  at the ball-joint pin.
   2. 1.2  Remove ball-joint pin from the bore in the anti-roll bar.
2. Loosen ball joint on the level sensor linkage -1-  from the lower trailing arm.

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   Ball joint on level sensor

3. Loosen control arm spoiler (air guide for brake cooling] on the lower trailing arm and turn it up.

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   Control arm spoiler

4. Remove tie rod from wheel bearing housing.

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   Pressing off ball joint on tie rod

   1. 4.1  Unscrew lock nut and use a > 9546 - screwdriver  to counter at the ball-joint pin.
   2. 4.2  Coat the bellows and press-out tool with tire mounting paste to prevent damage to the bellows on the ball joint.
   3. 4.3  Press off tie-rod ball joint using > 9560-press-out tool -1- 
5. Remove lower trailing arm from the wheel bearing housing.

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   Removing lower trailing arm from wheel bearing housing

   1. 5.1  Coat the bellows and press-out tool with tire mounting paste to prevent damage to the bellows on the ball joint.
   2. 5.2  Unscrew fastening nut on the ball joint of the lower trailing arm -1-  and press off the ball joint using > 9560 - press-out tool -2-. 
6. Disconnect plug connection for PASM in -holder-  .

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   Installation position of plug connection for PASM

   1. 6.1  Open lower holder -arrow A-  .

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      Opening holder

   2. 6.2  Take plug connection out of the holder
   3. 6.3  Release plug connection -A-  and pull -2 out of 1-  at the same time -B-  .

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      Disconnecting electric plug connection

7. Remove upper spring strut from the body.

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   Upper spring-strut mount

   1. 7.1  Mark installation position of the fastening nuts -1 to 3-  .
   2. 7.2  Screw off fastening nuts -1 to 3-  .
8. Remove spring strut with wheel bearing housing.
9. Loosen clamped connection securing spring strut to wheel bearing housing.
   1. 9.1  Carefully secure the wheel bearing housing on a work bench.
   2. 9.2  Remove connecting link -1-  from wheel bearing housing.

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      Removing connecting link from wheel bearing housing

      1. 9.2.1  Screw off fastening nut -2-  and counter at the hexagon -arrow-  on the connecting link.
   3. 9.3  Remove spring strut from wheel bearing housing.