[Integral Abs] Draining Brake System; Bleeding Wheel Circuits; Bleeding Front Wheel Circuit - BMW R 1150 R Repair Manual

[Integral ABS]
34 00
Draining brake system
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Warning:
All repair and maintenance work on the
BMW Integral ABS should be carried out by special-
ly trained personnel.
Maintenance and repair procedures and processes
should be strictly observed.
Use only new brake fluid from an unopened
container.
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Note:
This description applies to brake filling and bleeding
devices with vacuum extraction of the brake fluid at
the brake caliper.
If other devices are used, comply with their manu-
facturers' instructions.
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Remove front/rear seat.
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Remove fuel tank ( 16.5).
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Bleeding wheel circuits

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Attention:
Do not allow brake fluid to come into contact with
painted motorcycle parts as brake fluid destroys
paint.

Bleeding front wheel circuit

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Attention:
Integral brakes, the rear brake must be ready for
use.
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Open front wheel circuit reservoir (1).
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Attention:
To prevent brake fluid from entering the connector,
do not release the ABS pressure modulator plug
connections.
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•
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Only use the piston reset
device, BMW No. 34 1 531, if the wheel circuit res-
ervoir cover is open.
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Always wait for the BMW Integral ABS to complete
its self-diagnosis after the ignition is switched on.
Do not operate the brake lever until self-diagnosis
has completed.
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1
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R28340110
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Draw off the old brake fluid from the wheel circuit
reservoir.
Remove front brake pads.
Attention:
34 1 532
Use the reset device, BMW No. 34 1 531, and
the positioning piece, BMW No. 34 1 532, to
press the brake caliper pistons completely back
and to position them.
Wrap cloths around the left and right brake cali-
pers.
Connect the brake bleeding device to the bleed
screw of the left brake caliper, but do not switch
it on.
Switch on the ignition.
Note:
Gently pull the handbrake lever until the pump
just starts up.
Open the bleed screw.
Drain wheel circuit using a pump.
Close the bleed screw.
Release the brake.
Disconnect the brake bleeding device from the
bleed screw.
The procedure for draining the right brake caliper
is the same as that for the left caliper.
Close the bleed screw.
Release the brake and switch off the ignition.
Disconnect the brake bleeding device from the
bleed screw.
34 1 531
R28000180
34.15