34 52 162 Removing and installing/replacing parking brake actuator

Necessary preliminary tasks:

Release parking brake
Turn off ignition

IMPORTANT: Switch off ignition at least 30 secs. before disconnecting the plug connection.

After installation, observe the following: switch on ignition and, using parking brake operating element, open parking brake once, close once and open again.

Disconnect plug connection (1).

Disengage cable from cable holder.

Fig 1: Identifying Cable Holder Plug Connection

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Release screws (1).

Installation:

Replace screws

Tightening torque 34 41 1AZ .

Take off holder (2).

Detach actuator drive (3) from brake caliper.

Fig 2: Identifying Actuator Drive With Holder And Screws

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Installation:

Check sealing ring (1), replace if necessary.

Apply a light coating of brake fluid to sealing ring (1) before fitting.

Fig 3: Identifying Sealing Ring

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Installation:

Carefully fit actuator drive until teeth engage and actuator drive rests flush on brake caliper.

If necessary, turn actuator drive slightly until bore and thread are flush.

Fig 4: Turning Actuator Drive

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