Disassembling And Assembling Front Brake Caliper - BMW R 1150 GS Repair Manual

Disassembling and assembling front
brake caliper
e
Caution:
Do not separate the brake caliper halves!
•
Remove the brake caliper.
•
Remove keeper from retaining pin (1).
•
Drive out the retaining pin (1) from the wheel side.
•
Remove brake pads by pulling downwards.
•
Close the bleed screw.
X
Tightening torque:
Bleed screw in brake caliper ........................ 14 Nm
•
Secure two opposing brake pistons with reset-
ting tool, BMW No. 34 1 500.
•
Place a cloth between the other pair of pistons.
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Caution:
Do not insert your fingers between the pistons; risk
of injury
•
Carefully press out brake pistons (2), using a
compressed air gun at the brake line connection.
•
Remove the two sealing rings (3,4) from the left
and right brake cylinder bores.
•
Inspect the brake caliper piston for hairline
cracks, score-marks and other damage.
34 1 500
2
3
4
•
Coat new sealing rings (3,4) with brake fluid and
install.
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Caution:
Keep the brake pistons parallel with their bores
when installing.
•
Coat brake caliper pistons (2) with brake fluid
and insert.
•
Remove and install the other two brake pistons
in the same way.
•
Using piston compressor (7),
BMW No. 34 1 500, if necessary press the pis-
tons fully back.
•
Install the brake pads.
7
1
RS340070
34.5