Renewing brake fluid and bleeding
brake system
Renew the brake fluid annually
(Inspection IV)
[ABS Inspection II and III]
Bleeding front brake circuit/renewing
brake fluid
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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.
•
Turn the steering to the left.
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Caution:
When bleeding the brakes, always start on the right
side.
•
Take off the brake caliper.
•
Remove the brake pads.
34 1 500
•
Force the pistons fully back with resetting tool,
BMW No. 34 1 500.
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Caution:
Do not allow brake fluid to come into contact with
painted parts of the motorcycle, because brake fluid
destroys paint.
•
Take off reservoir cover with rubber diaphragm.
•
Release the right handlebar switch.
•
Loosen the clamp screw for the handbrake fitting
and turn the fitting until the brake fluid reservoir
is horizontal.
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Caution:
When adding brake fluid, do not allow it to enter the
holes for the reservoir lid screws.
•
Add brake fluid up to the MAX mark (arrow).
•
Connect the brake bleeding device to the bleed
screw on the right brake caliper.
•
Open the bleed screw by half a turn.
•
Draw off brake fluid until it emerges clear and
free from air bubbles.
•
Close the bleed screw on the right brake caliper.
•
Repeat the bleeding process at the left brake
caliper.
When installing:
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Note:
Clean the rim of the reservoir, the rubber gaiter and
the cover to remove brake fluid, and re-assemble
C000150
the components with great care.
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Next check brake fluid level with the motorcy-
cle on its side (prop) stand and the handlebar turned
to the left, and ensure that no air bubbles are visible
in the sight glass.
KR340280
00.21