33 32... Replacing bearing support for front trailing arm

Necessary preliminary tasks 

• Remove REAR WHEEL
• Unplug CONNECTOR FOR PULSE SENSOR ; if necessary, expose lead up to trailing arm
• Only on right side: Unplug connector for brake pad sensor; if necessary, expose lead up to trailing arm

Release screws (1) and remove holder with brake hose.

Tightening torque 34 32 4AZ .

Fig 1: Identifying Screws

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Mark position of mounting (1) relative to body (2) with a paint mark (3) in order to simplify subsequent toe-in adjustment.

Release screws.

Tightening torque 33 32 2AZ .

Lower workshop jack and pull trailing arm downwards.

Installation note: 

Check threads for damage; if necessary, repair with HELICOIL THREAD INSERTS .

Fig 2: Identifying Position Of Mounting To Body Mark

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Unfasten nut.

Pull out screw.

Tightening torque 33 32 1AZ .

Remove bearing support towards top.

Installation note: 

Replace self-locking nut.

Fig 3: Removing Self-Locking Nut

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Installation with special tool 

Installation note: 

Secure special tool 33 3 280 to bearing support with a screw and align to wheel center. Place bearing support in position and screw down.

Tightening torque 33 32 1AZ .

Fig 4: Securing Special Tool (33 3 280) To Bearing Support With Screw

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Installation without special tool 

Installation note: 

Place tube (1) (length = approx. 500 mm, dia. = 16 mm) flat on bearing support, secure with screw clamp and align tube center to wheel center. Screw bearing pedestal down in this position.

Tightening torque 33 32 1AZ .

Fig 5: Identifying Tube On Bearing Support

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After installation 

• Perform chassis/wheel alignment check  . See CHASSIS/WHEEL ALIGNMENT CHECK WITH VEHICLE LOAD UP TO DESIGN POSITION or CHASSIS/WHEEL ALIGNMENT CHECK WITH RIDE HEIGHT MEASUREMENT WITHOUT VEHICLE LOAD