Removal and Replacement

34 21 320 Removing and installing/renewing both brake discs





Special tools required:
* 34 1 280 34 1 280 Sliding Caliper






Necessary preliminary tasks:
* Remove wheels 36 10 300 Removing or Installing Front or Rear Wheel.
* Remove and clean brake pads 34 21 200 Removing and Installing or Replacing Brake Pads on Both Rear Disc Brakes (Teves Floating Caliper)

Check minimum brake disc thickness:
- Position special tool 34 1 280 34 1 280 Sliding Caliper at three measuring points in area (1) and measure.





- Compare measurement result and lowest value with setpoint value 34 21 Rear Brake.

If the brake discs are replaced, you must also fit new brake pads.

Always replace brake discs in pairs.





Important!
New brake pads may only be fitted if the brake disc thickness is greater than the minimum brake disc thickness 34 21 Rear Brake (MIN TH).





Release bolts (1) and detach brake anchor plate.

Installation:
Replace screws.

Tightening torque 34 21 2AZ.

Important!
To release brake disc: Do not under any circumstances strike friction ring with a hammer or similar!





If necessary, carefully tap on base of brake disc chamber with a rubber mallet.
Clean contact surface of brake disc at wheel hub thoroughly and remove traces of corrosion.
Unevenness on contact surface may result in distortion of brake disc!

Release screw (1) and remove brake disc (2).

Installation:
Replace screw.

Tightening torque 34 21 1AZ.





After installation:
* Adjusting parking brake
* Read and comply with notes on braking in new brake discs / brake pads.