Replacing brake fluid
(Inspection IV)
e
Attention:
Protect trim panels against contact with brake fluid!
e
Attention:
Observe all precautions for handling brake fluid!
e
Attention:
To ensure continued safety the brake fluid must be
changed annually!
The brakes must be bled and checked to ensure
that they are in full working order!
Vehicles with ABS
e
Attention:
On vehicles with ABS the brake system service op-
erations in the repair manual must be supplemented
by bleeding operations performed using the
BMW MoDiTeC/DIS plus with the ABS control units
toolbox.
There is a danger that residual air will remain in the
ABS control circuits if BMW MoDiTeC/DIS plus is
not used.
•
Connect a commercially-available suction device
to the brake fluid bleed screws on the caliper
•
Force the pistons all the way back into the brake
calipers
L
Note:
This description applies to the brake filling and
bleeding units that operate using suction at the
bleed fitting on the brake caliper.
If other devices are used, comply with their manu-
facturers' instructions!
00.50
Front brake
e
Attention:
Do not allow brake fluid to come into contact with
painted parts of the motorcycle - brake fluid attacks
paint!
Drawing off brake fluid/forcing back brake pis-
tons
•
Firmly press the brake caliper against the brake
disc in order to force back the brake pads and
pistons
L
Note:
If the brake pads/pistons cannot be forced back in
this way, there may be some defect in the brake sys-
tem!
•
Connect the brake bleeding device to the bleed
screw on the brake caliper
•
Open the bleed screw by half a turn
•
Draw off brake fluid from the front brake circuit
When installing:
•
Installation is the reverse of the removal proce-
dure
e
Attention:
On vehicles with ABS the brake service operations
described in the repair manual must be supplement-
ed by bleeding operations using the
BMW MoDiTeC/DIS plus with the ABS control unit
toolbox.
Failure to use the BMW MoDiTeC/DIS plus results in
a hazard of residual air remaining in the ABS control
circuits.
•
Add brake fluid until it reaches the top of the
sight glass
•
Bleed the front brake circuit
•
Check the operation of the brake system