Installing Front Wheel Bearing Housing (Wheel Carrier)

Information 

• All screws and bolts on the axle must be tightened in vehicle position. Vehicle position means: vehicle resting on its wheels, or the wheel suspension is lifted with a universal jack  . -Dimension X from lower edge of wing to center of axle corresponds to vehicle position. For the current height values, please refer to the adjustment values for suspension alignment  → 4495TW ADJUSTMENT VALUES FOR SUSPENSION ALIGNMENT .
  Fig 1: Adjusting Dimension X Lower Edge Of Wing To Centre Of Axle

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• Visually inspect all parts  .
• Replace self-locking nuts  .
• Replace all expansion screws (screws fitted using torque angle tightening procedure)  .
• Use correct tightening torques and torque angle  . → 4X00IN TIGHTENING TORQUES FOR FRONT AXLE

Information 

• The pictures shown in this document may differ from the original  .

1. Counter with a screwdriver 9546  when tightening the ball joints if necessary.
2. Grease the toothing with a little Optimoly TA aluminum paste and fit the drive shaft into the wheel bearing housing.

   Information 

   • The drive shaft must be pulled in as far as it will go using the fitting tool T10206  .
     Fig 2: Identifying Fitting Tool T10206

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   Pull the drive shaft into the wheel bearing housing.

3. Grease the mounting-face ring of the axle nut with a little Optimoly TA aluminum paste. Screw on the axle nut.
4. Fit the wheel bearing housing on the lower ball joint (second mechanic required). → Installing Lower Trailing Arm 
5. Fit the tie rod on the wheel bearing housing. → Installing Tie Rod
6. Fit the wheel bearing housing on the ball joint of the upper trailing arm. → 401519 REMOVING AND INSTALLING UPPER TRAILING ARM (STEEL SPRINGS) 
7. Fit the brake disc. → Installing Front Brake Disc
8. Fit the brake calliper. → Installing Front Brake Calliper
9. Fit the holders -1, 2-  for the hydraulic lines on the wheel bearing housing -3-  .
   Fig 3: Identifying Mounting For Hydraulic Lines

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10. Plug in electric plug connection -1-  for the speed sensor on the wheel bearing housing -A-  and lock it -a-  .
    Fig 4: Locating Electric Plug Connection For Speed Sensor

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