31 11 001 Replacing Front Axle Carrier

31 11 001 - Replacing front axle carrier (M3)





Important!
Before removing front axle carrier:
In order to avoid damage to lifting platform, perform weight compensation on vehicle.
Load spring strut domes with sand bags.





Warning!
Secure engine in installation position with special tool Securing Engine In Installation Position to prevent it from falling down.





Necessary preliminary tasks:
- Secure engine in installation position Securing Engine In Installation Position
- Disconnect negative battery cable 61 20 900 Disconnecting and Connecting Battery Negative Lead
- Remove both front wheels 36 10 300 Removing or Installing Front or Rear Wheel
- Remove front stabilizer bar 31 35 000 Removing and Installing/Replacing Front Stabilizer
- Remove reinforcement cover on left and right Removing and Installing/Replacing Left/Right Reinforcement Cover
- Remove lower section of steering spindle from steering gear 32 31 070 Removing and Installing/Replacing Steering Spindle Lower Section
- If necessary, disconnect plug connection from ride-height sensor
- Remove both tension struts from front axle carrier
- Remove both control arms from front axle carrier 31 12 000 Removing and Installing/Replacing Left or Right Control Arm
- Remove both tie rods on power steering gear 32 21 231 Replacing (Removing and Installing) Left or Right Tie Rod
- Disconnect plug connection on Servotronic electrohydraulic converter, remove power steering gear from front axle carrier 32 13 060 Removing and Installing/Replacing Power Steering Gear and tie up
- Lower front axle carrier





Unscrew nut (1) and bolts (2).
Disconnect pressure line (3) from front axle carrier holder.

Installation Note:
Replace self-locking nut.
Tightening torque 32 41 11AZ [1][2]32 41 Pump and Oil Supply.





Release screws (1).
Fold holders (2) downwards and tie up.

Installation Note:
Tightening torque 32 41 11AZ [1][2]32 41 Pump and Oil Supply.





Remove connecting lead (1) for Servotronic electrohydraulic converter.
Remove both engine mounts(2).

Installation Note:
Use previous front axle carrier as a template for modifying or replacing small parts.





After installation:
- Perform chassis alignment check 32 00 150 KDS Chassis/Wheel Alignment Check With Vehicle Load Up to Design Position
- Carry out steering angle sensor adjustment Adjustments