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Home >> Mercedes Benz >> 2007 >> C350 Base, Automatic >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Rear Axle -- Testing & Repair -- 203 Chassis - 1 Of 2 >> Testing & Repair >> Dismantling constant-velocity joint, inspecting for wear, assembly - AR35.30-P-0661-03P

Dismantling constant-velocity joint, inspecting for wear, assembly - AR35.30-P-0661-03P

Dismantle constant velocity joint 

  1. Mark position of joint ring (37c), joint hub (37d) and ball retainer (37f) relative to each other.
    Fig 1: Identifying Position Of Joint Ring, Joint Hub And Ball Retainer Marked Relative To Each Other
    G04734703
  2. Align the rear axle shaft (37a) so that the narrow web (arrow) on the joint hub (37d) point upwards.
    Fig 2: Identifying Rear Axle Shaft Aligned So That The Narrow Web On The Joint Hub Point Upwards
    G04734704
  3. Use a suitable tool to press the two top balls out of their race.
    Fig 3: Pressing The Two Top Balls Out Of Their Race Using A Suitable Tool
    G04734705
  4. Tilt rear halfshaft (37a) and turn slightly to remove from the joint ring (37c).

    IMPORTANT Hold the remaining balls in place when removing.

  5. Remove the remaining balls from the joint ring (37c).
  6. Remove ball cage from joint hub.
  7. Clean all parts.
    Fig 4: Identifying Rear Halfshaft Tilted And Turned Slightly To Be Removed From The Joint Ring
    G04734706

    8. Check constant velocity joint 

  8. Check joint ring, joint hub, ball retainer ball raceways and ball bearings for depressions (pitting) and traces of wear (arrows).

    IMPORTANT If these components display major wear then the entire rear halfshaft should be replaced. Smooth areas and running marks caused by the balls are no reason to replace the rear axle shaft.

    IMPORTANT If the outer constant velocity joint is defective, then the rear axle shaft must be replaced.

    Fig 5: Identifying Joint Ring, Joint Hub And Ball Bearings
    G04734707

    9. Assembling CV joint 

  9. Insert rear axle shaft (37a) with joint hub (37d) and ball retainer (37f) in the joint ring (37c) and align so that the balls can be inserted.
  10. Install ball cage on joint hub.

    IMPORTANT Watch the alignment marks made earlier. If no markings were made, the ball cage must be installed on the joint hub with each wide step on the joint hub aligned opposite a narrow step on the ball cage.

    Fig 6: Assembling CV Joint
    G04734708
  11. Insert balls one after the other.
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