Disassembling And Assembling Front Brake Caliper - BMW R1150RT - MAINTENANCE INTEGRAL ABS Maintenance Manual

Disassembling and assem-
34 11 521
bling front brake caliper
e
Attention:
Do not separate the brake caliper halves!
– Integral ABS Drain front wheel circuit (
– Remove the brake caliper.
•
Remove the brake pads.
•
Close the bleed screw.
•
Secure two opposing brake pistons with
spacer, BMW No. 34 1 520.
•
Insert a piece of cloth between the two brake pis-
tons not secured by the resetting tool.
e
Attention:
Do not insert your fingers between the pistons; risk
of injury.
•
Carefully press out brake pistons (1), using a
compressed air gun at the brake line connection.
•
Remove the two sealing rings from each brake
cylinder bore.
•
Inspect the brake caliper piston for hairline
cracks, score-marks and other damage.
•
Coat new sealing rings (2, 3) with brake fluid and
install.
•
Coat brake caliper pistons (1) with brake fluid
and insert.
3
2
1
e
Attention:
Keep the brake pistons parallel with their bores
when installing.
•
Remove and install the other two brake pistons
in the same way.
•
34.16). Using piston resetting tool, BMW No. 34 1 531,
a
press the pistons fully back.
•
Install brake caliper.
•
Integral ABS Fill and bleed front wheel circuit
( 34.23).
a
X
Tightening torque:
Bleed screw to brake caliper .......................... 7 Nm
Grub screw in front brake caliper ................... 7 Nm
Colour code:
Brake pads/brake calipers ..............................white
34 1 531
34 1 532
S340220
34.5