Brake Booster - Subaru Legacy 2004 Service Manual

BRAKE

9. Brake Booster

A: REMOVAL
1) Remove or disconnect the following parts at en-
gine compartment.
(1) Disconnect the connector for brake fluid lev-
el gauge.
(2) Remove the brake pipes from master cylin-
der.
(3) Remove the master cylinder installing nuts.
(4) Disconnect the vacuum hose from brake
booster.
2) Remove the following parts from pedal bracket.
(1) Snap pin and clevis pin
(2) Four brake booster installing nuts
(2)
(4)
(1) Nut
(2) Clevis pin
(3) Snap pin
(4) Operating rod
3) Remove the brake booster while shunning brake
pipes.
NOTE:
• Do not apply strong impact to booster shell and
vacuum pipe.
• Be careful not to drop the brake booster. The
brake booster should be replaced if it has been
dropped.
• Use special care when handling the operating
rod. If excessive force is applied to operating rod,
sufficient to cause a change in the angle in excess
of %3&, it may result in damage to the power piston
cylinder.
Brake Booster
(1)
(3)
BR-00073
BR-32
• Use care when placing the brake booster on the
floor.
• Do not change the push rod length.
CAUTION:
• Do not disassemble the brake booster.
• If external force is applied from above when
brake booster is placed in this position, the res-
in portion as indicated by "P", may be dam-
aged.
(1) Force
B: INSTALLATION
1) Check and adjust the operating rod of brake
booster.
Standard L:
LHD: 136.3 mm (5.38 in)
RHD: 155.2 mm (6.11 in)
If it is not within the specified value, adjust it by ad-
justing the brake booster operating rod.
2) Mount the brake booster in position.
(1)
P
BR-00075
L
BR-00076