Front Brake; Drawing Off Brake Fluid/Forcing Back Brake Pistons; Bleeding The Front Brake Circuit - BMW C1 Repair Manual

Front brake

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Caution:
Do not allow brake fluid to come into contact with
painted parts of the vehicle as brake fluid destroys
paint.
Drawing off brake fluid/forcing back brake
pistons
•
Firmly press the brake calliper 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 other fault in the brake
system.
•
Connect the brake bleeding device to the bleed
screw on the brake calliper
•
Open the bleed screw by half a turn
•
Draw off brake fluid from the front brakes
When installing:
•
Installation is the reverse of the removal proce-
dure
– Add brake fluid up to the top of the sight glass
– Bleed the front brake circuit
•
Check the function of the brake system
00.54

Bleeding the front brake circuit

– Add brake fluid up to the top of the sight glass
•
Connect the brake bleeding device to the bleed
screw on the brake calliper
•
Open the bleed screw by half a turn
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Caution:
Brake fluid level must not drop below the MIN mark
during the bleeding process, 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
•
Check the function of the brake system
Materials:
DOT 4 brake fluid
X
Tightening torques:
Bleed screw ................................................. 14 Nm