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Rear brakes C38 > < Removing and installing ceramic front brake disc (C/SiC)

A4 Mk2

Renewing ceramic front brake disc (C/SiC)
Renewing ceramic front brake disc (C/SiC)
  WARNING
Brake disc ring and disc brake hub are bolted together and must NOT be separated. Do NOT slacken bolt connection on disc brake hub.
  Note
Always renew on both sides of axle.
Removing
–  Raise vehicle.
–  Remove wheels.
  Caution
On vehicles with ceramic brakes the wheel must not be allowed to drop onto the brake disc. This would cause irreparable damage to the disc. Screw two assembly pins (from vehicle tool kit) into the wheel bolt holes when removing and fitting a wheel. Insert the long assembly pin into the top hole.
–  Remove brake pads → Chapter.
–  Detach brake caliper → Chapter.
Do not leave brake caliper hanging from brake hose but secure it to bodywork using a suitable cable tie or wire. Take care that brake hose is not damaged by weight of brake components.
   
–  Remove locating bolt -6- from brake disc, holding brake disc in position.
–  Take brake disc off wheel hub.
  Note
Take care to keep the brake disc straight when taking it off the wheel hub.
Installing
–  Clean contact surfaces of wheel hub and remove corrosion.
–  Fit brake disc onto wheel hub.
  Note
Take care to keep the brake disc straight when fitting it onto the wheel hub.
  A46-10075
–  Screw in locating bolt -6- and tighten to 10 Nm.
–  Attach brake caliper → Chapter.
–  Install brake pads → Chapter.
–  Fit wheels.
  Caution
On vehicles with ceramic brakes the wheel must not be allowed to drop onto the brake disc. This would cause irreparable damage to the disc. Screw two assembly pins (from vehicle tool kit) into the wheel bolt holes when removing and fitting a wheel. Insert the long assembly pin into the top hole.
Tightening torque for wheel bolts → Rep. Gr.44
  A46-10075

Rear brakes C38 > < Removing and installing ceramic front brake disc (C/SiC)