Rear

Removing And Installing/Replacing Both Rear Disk Brakes
Special tools required:
^ 34 6 301
^ 34 6 306
^ 34 6 307
^ 34 6 308

Note:
^ See: Parking Brake System/Adjustments to ensure proper parking brake adjustment and operation after rear pad replacement. Adjustments
^ When work has been completed, actuate brake pedal several times to ensure that brake pads make firm contact with brake disks.
^ When installing new brake linings on the rear axle and simultaneously replacing the brake linings on the front axle, check the brake-fluid level and top up to the "MAX" marking if necessary.

Remove road wheels.





Remove retaining spring (1).





Remove plastic plugs (2).





Remove guide screws (2) and release brake caliper. Do not allow brake caliper to hang from brake hose, risk of damage to brake hose.

Install hint:
Only clean guide screws, do not grease.
Check threads.
Replace all guide screws which are not in perfect condition.
Guide bolt
Wrench size
7mm 35 Nm





Remove brake linings

Using special tools 34 6 301 /34 6 306 /34 6 307 / 34 6 308 as shown, press brake piston into caliper.





Install hint:
Ensure inside brake lining is correctly located in piston groove (1).

(Dust sleeve removed only for purpose of showing a clear graphic).





Check dust sleeve (1) for damage and replace if necessary.

Clean contact surfaces (2) of brake piston and coat with a thin layer of anti-squeak compound.


Caution: Dust sleeve must not come into contact with anti-squeak compound as it may cause dust sleeve to expand.





Clean contact surfaces (1 - 2) of brake-lining tee heads/brake caliper housing and coat with anti-squeak compound.






Clean contact surfaces (3) of brake caliper and coat with a thin layer of anti-squeak compound.






Clean hammer head guides on brake caliper holders and coat with a thin layer of anti-squeak compound.