34 41 220 Removing and installing/renewing all parking brake shoes

Necessary preliminary tasks 

• Remove rear BRAKE DISC 

Lock adjuster unit (ASZE).

Actuate parking brake lever. Connect special tool 32 1 030 LEVER . Press stop (1) of adjusting spring back to such an extent that retaining hook (2) engages in stop (1).

Installation: 

Unlock adjuster unit (ASZE).

Lever out restraining hook (2) with a suitable screwdriver.

Restraining hook (2) must detach from stop (1) of adjusting spring.

Fig 1: Pressing Spring Back To Retaining Hook Using Special Tool (32 1 030)

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Disconnect return spring (1) with brake spring pliers.

Installation: 

Return spring (1) must not be overelongated.

Check and if necessary replace return spring (1).

Pay attention to installation position of adjusting screw (2).

Apply a thin coat of grease to bush and screw threads.

Fig 2: Identifying Return Spring With Screw

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Disconnect return spring (1) with brake spring pliers.

Installation: 

Return spring (1) must not be overelongated.

Check and if necessary replace return spring (1).

Fig 3: Identifying Return Spring

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Twist roll pins (1) 90° with special tool 34 4 000 and detach.

Remove brake pads (2).

Fig 4: Twisting Roll Pins Using Special Tool 34 4 000

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After installation 

• Adjusting PARKING BRAKE