Replacing Front Axle Carrier

31 11 001 - Replacing front axle carrier





Warning!
Danger to life!
Secure engine in installation position to prevent it from falling down.

Important!
Observe safety instructions on raising the vehicle 00 .. ... Lifting Vehicle With A Lifting Platform.
Adhere to the utmost cleanliness. Do not allow any dirt to enter the hydraulic system.
Seal off hydraulic lines with plugs.





Necessary preliminary tasks:
- Secure engine in installation position
- Disconnect battery negative lead Disconnecting and Connecting Battery Negative Lead
- Draw off and dispose off hydraulic fluid from fluid reservoir
- Remove front wheels Removing or Installing Front or Rear Wheel
- Remove stabilizer
- If necessary, remove rear assembly underside protection Removing and Installing/Replacing Rear Underbody Protection
- Remove air duct for brake ventilation on both sides
- Remove reinforcement plate Service and Repair
- If necessary, remove steering gear cover on both sides
- Remove universal joint from power steering gear Replacing Universal Joint for Lower Section of Steering Spindle
- Disconnect plug connection on Servotronic converter
- Disconnect plug connection from ride-height sensor
- If necessary, disconnect vacuum line from electrically operated valve to engine mounts at T-piece
- Remove pressure line and if necessary Dynamic Drive pressure line from vane pump
- Disconnect return line from power steering cooler Notes on Hydraulic Line With Quick-Connect Coupling
- Remove tension strut on both sides from front axle carrier Removing and Installing/Replacing Both Tension Struts
- Remove control arm on both sides from front axle carrier Front Axle
- Remove tie rod end on both sides from swivel bearing Replacing Left or Right Tie Rod





Lower front axle carrier Lowering/Raising Front Axle Carrier.
Version with Dynamic Drive:
- Remove pressure lines for oscillating motor of front axle Removing and Installing/Replacing Pressure Lines for Oscillating Motor/Front Axle with hose/pipe holders
- Remove vent hose with filter Removing and Installing/Replacing Vent Hose (From 06/03) for Active Stabilizer (Front)





Remove heat shield(s).
Disconnect hydraulic lines from power steering gear Removing and Installing/Replacing Power Steering Gear and front axle carrier.
Remove engine mount/mounting bracket on both sides and if necessary remove with vacuum lines from front axle carrier.
Remove power steering gear Removing and Installing/Replacing Power Steering Gear.
E65, 66: Remove vehicle jack support.
Take front axle carrier down and set down on a suitable surface.

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





After installation:
- Fill and bleed hydraulic system
- Check pipe connections for leaks
- Perform chassis alignment check
- Carry out steering angle sensor adjustment Adjustments
- If necessary, carry out initial Dynamic Drive operation Initial Operation With Test Run of Dynamic Drive