Installing Lower Axle Strut

→ Wear personal protective gear.

→ Do not raise the wheel suspension higher than the normal vehicle position (vehicle resting on wheels).

Information 

• Visually inspect all parts. 
• Replace self-locking nuts. 
• Replace all expansion screws (screws which are fitted with torque angle tightening procedure). 
• Check vehicle setting values after repair and adjust if necessary. →  WM 4400TW Adjustment values for suspension alignment 
• The entire threaded joints of the axle must be tightened in vehicle position! Vehicle position means: vehicle standing on the wheels, or the wheel suspension is being raised with a universal vehicle lift. Dimension -X-  , from lower edge of wing to middle of axle 506 mm ±10 mm corresponds to vehicle position. 
  Fig 1: Identifying Vehicle Position Mark

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• Use an intermediate layer (hard rubber)! Do not damage the brake cover plate. 
  Fig 2: Removing Wheel Carrier

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• Observe correct tightening torques  . → WM 4200TW TIGHTENING TORQUES FOR REAR AXLE 

1. Place trailing arm in suspension sub-frame mounting point and install fastening screw. Install eccentric screw, turn to previously marked position and tighten in vehicle position.
2. Position trailing arm in wheel carrier and secure against falling with fastening screw and nut.
3. Tighten fastening nut from trailing arm to wheel carrier with specified tightening torque.