Subaru LEGACY 2006 Manual page 3934

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BRAKE
8. Master Cylinder
A: REMOVAL
CAUTION:
Do not allow brake fluid to come in contact with
vehicle body. If it does, wash off with water and
wipe away completely.
1) Drain brake fluid from reservoir tank completely.
2) Disconnect the harness connector of the fluid
level gauge.
3) Remove the brake pipe from the master cylinder.
4) Remove the master cylinder mounting nuts, and
remove the master cylinder from the brake booster.
B: INSTALLATION
1) Replace the O-ring for the master cylinder with a
new part.
CAUTION:
Be careful not to install the O-ring in the wrong
location.
(1) Primary piston
(2) O-ring
(3) Do not install the O-ring on this groove.
2) Install in the reverse order of removal.
Tightening torque:
Master cylinder mounting nut
13 N·m (1.3 kgf-m, 9.6 ft-lb)
Piping flare nut
Model with ABS
15 N·m (1.5 kgf-m, 10.8 ft-lb)
Model with VDC
19 N·m (1.9 kgf-m, 14.0 ft-lb)
CAUTION:
Be sure to use recommended brake fluid.
3) Bleed air from brake system. <Ref. to BR-33,
PROCEDURE, Air Bleeding.>
Master Cylinder
(3)
(2)
(1)
BR-00363
BR-26
C: REPLACEMENT
1) Remove mud and dirt from the surface of brake
master cylinder.
2) Secure the master cylinder in a vise.
NOTE:
To avoid damaging the master cylinder, place be-
tween aluminum plates or other material when
holding with a vise.
3) Remove the pin which secures the master cylin-
der and reservoir tank, then remove the reservoir
tank and seal.
4) While pushing in the primary piston, remove the
C-ring using pliers.
5) While pushing in the primary piston, remove the
straight pin from the port on the reservoir tank at-
tachment location using a magnet pick-up tool.
(1)
(1) Straight pin
6) Extract the primary piston assembly and sec-
ondary piston assembly straight out while taking
care not to scratch the inner surface of the cylinder.
BR-00364
BR-00169
BR-00069