BMW R 1150 RT Repair Manual page 58

Only bleeding the rear wheel circuit
– Draw off the old brake fluid from the wheel-circuit
reservoir.
– Remove rear brake pads, force back the brake
pistons and secure the pistons in this position.
– Wrap a cloth around the rear brake caliper.
34 1 561
34 2 541
•
Fill rear wheel-circuit reservoir with brake fluid up
to "MAX" mark and install
cap, BMW No. 34 2 541.
•
Connect 1.5 m silicon
hose, BMW No. 34 1 561, to the bleed screw.
L
Note:
If necessary, use a cable tie to secure the bleed
hose to the bleed screw.
•
Switch on the ignition.
L
Note:
After switching on the ignition, always wait for the
BMW Integral ABS to complete its self-diagnosis.
Do not operate the brake lever until self-diagnosis
has completed.
•
Very gently press the footbrake lever until the
pump just starts up.
•
Open the bleed screw.
•
Pump the brake fluid with virtually no pressure
until the hose is full of brake fluid.
•
Connect end of hose to
cap, BMW No. 34 2 541.
•
Pump the brake fluid with virtually no pressure to
begin with, then vary the brake pressure.
d
Warning:
Check that the brake fluid in the hose does not
foam.
If the fluid foams, proceed as described in the sec-
tion on bleeding and changing brake fluid in rear
wheel circuit (
•
Pump brake fluid through the system until it is
clear and free from air bubbles.
•
Close the bleed screw.
•
Release the brake and switch off the ignition.
•
Disconnect silicon hose, BMW No. 34 1 561,
from bleed screw and drain the hose.
•
Remove cap, BMW No. 34 2 541.
e
Attention:
After changing and/or bleeding the brakes, always
top up the fluid in the wheel-circuit reservoir to the
correct level in accordance with the instructions.
R28000230
•
Fill rear wheel-circuit reservoir with brake fluid in
accordance with instructions (
•
Check operation of the brake system with the ig-
nition switched on.
e
Attention:
After all the work on the brake system has been
completed, run a bleed test using the
BMW MoDiTeC.
Brake fluid ...................................................DOT 4
X
Tightening torque:
Bleed screw in rear brake caliper ................... 5 Nm
Brake caliper to rear wheel drive .................. 40 Nm
00.46).
a
00.48).
a
00.49