34 21 320 Removing and installing or replacing both rear carbon ceramic brake discs (CSiC)
Special tools required:
- 34 1 280
Attention!
It is imperative that you follow the GENERAL INFORMATION ON HANDLING THE CARBON CERAMIC BRAKE (CSIC) .
Observe the BOUNDARY SAMPLE CATALOGUE to assess the visual appearance of new carbon and ceramic brake discs.
After completing work, read and comply with the NOTES ON BREAKING IN NEW BRAKE DISCS/BRAKE PADS .
Necessary preliminary tasks:
- Wheels are only to be removed using
using a suitable wheel lift type jack / wheel fitting lever!
Failure to comply with this stipulation may give rise to damage to the brake disc or brake caliper!
- Remove and clean/replace BRAKE PADS .
Check the CARBON CERAMIC BRAKE DISCS FOR WEAR using the wear indicators!
If the brake discs are replaced, you must also fit new brake pads.
Attention!
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 both screws (1) and remove brake disc.
Installation note:
Replace both screws.
Tightening torque: 34 21 1AZ .