Installing Front Drive Shaft

→ Wear personal protective gear.

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

→ Wear personal protective gear.

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

Information 

• The entire threaded parts of the axle must be tightened in vehicle position. Vehicle position means: vehicle standing on its wheels, or the wheel suspension is raised with a universal vehicle lift. -Dimension X- , from → Control value: 408 mm +/- 7 mm → Control value: 403 mm+/-7 mm corresponds to vehicle position. 
  Fig 1: Identifying Universal Vehicle Lift Dimension

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• Use an intermediate layer (hard rubber)! Do not damage the brake cover plate. 
  Fig 2: Precaution For Lifting Wheel Suspension

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• Screws are Dacromet-coated and must not be greased. 
• Grease axle nut with a little Optimoly TA aluminium paste only at the mounting-face ring. 
• Grease the toothing of the drive shaft slightly with aluminium paste Optimoly TA. 
• Drive shafts must not be left hanging from the joint stop. Tie them up. 
• Use new screws and fastening nuts. 
• Make sure the bevel pinions from the ball joints are clean. Clean with a lint-free cloth if necessary. Do not use cleaning agent. 
• Use correct tightening torques and torque angle. → Tightening torques for front axle 

Information 

• If the shaft cannot be pushed right in, use assembly fixture T10206 to pull the drive shaft in. 
  Fig 3: Identifying Fitting Tool (T10206)

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1. Grease toothing with a little Optimoly TA aluminium paste and insert drive shaft. When doing this, press inner joint together tightly.
2. Grease the mounting-face ring of the axle nut with a little Optimoly TA aluminium paste. Screw on the axle nuts in order to prevent the shaft from slipping out.
3. Insert upper wheel carrier and tie rod, fit using lock nuts, then tighten to the specified torque. → WM 4000TW TIGHTENING TORQUES FOR FRONT AXLE  Pay attention to inner joint of drive shaft.
4. Raise wheel carrier with a suitable lift until the connecting rod and fastening pins for the lower spring strut can be pushed in easily. Use a -lift with rubber base-  in order to prevent slipping. Carefully remove the spring tensioner.
   Fig 4: Lifting Wheel Carrier Using Suitable Lift

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5. Engage cable for wear monitor and fit holder on the wheel carrier.
6. Connect the cable to the ABS sensor.