Mercedes-Benz Cars 2000-05

Lower Ball Joint

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Removal & Installation




NOTE
The upper ball joint is an integral part of the upper control arm. Control arm replacement is necessary if the ball joint becomes worn or damaged.

  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2.  
  3. Remove the front wheel and support the lower control arm with a jack.
  4.  
  5. Remove or disconnect the following:

    Electrical connections if equipped
     
    Ball joint stud
     
    Control arm mounting bolts
     
    Bearing shell
     

  6.  

To install:

  1. Install or connect the following:

    Control arm in the bearing shell. Torque the self-locking nut to 55 ft. lbs. (75 Nm) after the weight of the vehicle is on the suspension
     
    Control arm assembly using new micro-encapsulated bolts. Torque the bolts to 37 ft. lbs. (50 Nm)
     
    Ball joint stud. Torque the nut to 88 ft. lbs. (120 Nm). Fill the gap in the clamp with a wax-like protectant.
     

  2.  
  3. Front wheel
  4.  
  5. Lower the vehicle to the floor and tighten the control arm through-bolt and nut to the specification.

    Click image to see an enlarged view

    Fig. Steering knuckle (5), control arm (6), bolt (6c) and nut (6g)-S Class (140) and C Class (202)

  6.  

 
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