Changing Brake Fluid And Bleeding Brake System - BMW F 650 GS Repair Manual

Changing brake fluid and
00 34 606
bleeding brake system
(Inspection IV)
e
Important:
Refer to notes on the hazards involved in handling
brake fluid.
Do not allow brake fluid to come into contact with
painted parts of the motorcycle, because brake fluid
destroys paint.
Changing brake fluid (front brake)
– Remove brake pads (
a
34 1 500
•
Using resetting tool, BMW No. 34 1 500, and
strips of metal sheet (1) (approx. 9 mm/0.35 in
thick), force back the brake pads.
•
Turn the handlebars so that the cover of the
reservoir is horizontal.
•
Remove cover (2) complete with rubber gaiter
and top up the level of brake fluid in the reservoir.
00.42
00.39).
1
E000420
2
E000120
•
Connect the brake bleeding device to the bleed
screw on the brake caliper.
•
Open the bleed screw by half a turn.
e
Important:
While bleeding the system, do not allow the brake
fluid level to drop below the centre of the sight glass
(arrow), as otherwise air will be drawn into the brake
system. Bleed the system again if this happens.
•
Draw off brake fluid until it emerges clear and
free from air bubbles.
•
Tighten the bleed screw.
•
Installation is the reverse of the removal proce-
dure: pay particular attention to the following.
•
Before reassembling, carefully wipe the rim of
the reservoir, the rubber gaiter and the cover to
remove all traces of brake fluid.
L
Note:
[ABS] Place rubber diaphragm and reservoir cap in
position.
Carefully tighten the securing screws.
e
Important:
If the vehicle is equipped with ABS, the brake sys-
tem has to be bled using the BMWMoDiTeC, and
the Control Units, Toolbox ABS, routine; this proce-
dure is supplementary to that described in the Re-
pair Manual.
If the BMWMoDiTeC is not used there is a danger of
residual air remaining in the control circuits of the
ABS system.
•
[ABS] Bleed the brakes using the BMWMoDiTeC.
Brake fluid grade .........................................DOT 4
X
Tightening torques:
Bleed screw ................................................... 7 Nm