33 32 086 Removing and installing/replacing bottom left control arm

Necessary preliminary tasks 

• Remove REAR WHEEL .
• Remove shock absorber  . See 3712131 REPLACING LEFT OR RIGHT REAR SHOCK ABSORBER (ADAPTIVE M SUSPENSION) or 3352000 REMOVING AND INSTALLING/REPLACING REAR LEFT OR RIGHT SHOCK ABSORBER  from trailing arm

When supporting components, make sure that

• the vehicle can no longer be raised or lowered
• the vehicle does not lift off the locating plates on the lifting platform

Mark position of eccentric screw (1) to lower control arm with center marks (2).

Replacement only: Carry over marking from old part to new part.

Fig 1: Marking Position Of Eccentric Screw With Centre Marks On Lower Control Arm

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Support trailing arm from underneath using a workshop jack.

Spread cover on lower control arm and pull off.

Installation: 

Opening in cover points upwards.

Fig 2: Pulling Lower Control Arm Cover

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Release nut (1) and remove eccentric washer (2).

Remove eccentric screw towards front.

Installation: 

Note insertion direction of eccentric screw.

Align eccentric screw by means of marking to lower control arm.

Fit eccentric washer (2).

Replace nut (1).

Tightening torque 33 32 3AZ .

Fig 3: Identifying Eccentric Washer With Nut

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Support rear differential with workshop jack (1).

Fig 4: Supporting Rear Differential Using Workshop Jack

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Release bolts (1) on rear axle differential at front and slide out towards rear until rear axle differential is exposed.

Tightening torque 33 17 1AZ .

Fig 5: Identifying Bolts On Rear Axle Differential

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Unfasten nut (1) and remove screw (2).

Tightening torque 33 17 2AZ .

Fig 6: Identifying Rear Axle Differential Nut And Screw

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Release screw (2).

Installation: 

Tighten bolt in normal position.

Tightening torque 33 32 4AZ.

Fig 7: Identifying Screws

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Press rear differential (2) with tire iron (1) towards rear and unscrew bolt from control arm/rear axle carrier.

Remove bottom control arm.

Fig 8: Pressing Rear Differential Using Tyre Iron

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Installation: 

Weld seam of control arm must point upwards.

Fig 9: Locating Weld Seam Of Control Arm

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After installation 

• Check that output shaft is correctly seated in rear differential.
• Perform CHASSIS ALIGNMENT CHECK