Bleeding Of The Abs Hydraulic System - Ducati MONSTER 821 Workshop Manual

Bleeding of the ABS hydraulic system

If brake controls feel "spongy" due to the presence of air bubbles in the system, bleed as usual, as
described in sections "Changing the front brake system
Before bleeding a brake master cylinder, move back the calliper pistons as indicated in
the front brake system, Changing the fluid in the rear brake
flow into the master cylinder.
Purge must be carried out by means of the corresponding unions (A) placed on the callipers and the brake
master cylinders.
Important
Do not undo the special screws securing the pipe unions on the ABS hydraulic control unit, unless control
unit replacement is necessary.
Important
If the ABS hydraulic control unit has been replaced, it will be supplied with the secondary circuit already
filled with fluid. Control unit must thus be assembled and the system filled and drained as a traditional
system.
fluid" and "Changing the rear brake system
system) to let any air build-up in the ABS control unit
488
fluid".
(Changing the fluid in
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