Description And Operation; Power Booster - Daewoo MATIZ Service Manual

4C – 2 POWER BOOSTER

POWER BOOSTER

This booster is a single diaphragm, vacuum-suspended
unit. In a normal operating mode, with the service brakes
in the release position, a vacuum-suspended booster
operates with a vacuum on both sides of its diaphragm.
When the brakes are applied, air at atmospheric pres-
sure is admitted to one side of the diaphragm to pro-

DESCRIPTION AND OPERATION

vide the power assist. When the brakes are released, at-
mospheric air is shut off from that side of the diaphragm.
The air is then drawn from the booster through the vacu-
um check valve by the vacuum source.
Important: If any hydraulic component is removed or
disconnected, it may be necessary to bleed all or part of
the brake system.
DAEWOO M-150 BL2