Subaru LEGACY 2006 Manual page 3935

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7) Clean the inside of master cylinder with brake
fluid. Check the inside of the cylinder for damage,
deformation and wear. Replace the master cylinder
as assembly if faulty.
8) Apply brake fluid to the inner surface of master
cylinder and piston assembly.
9) Make sure that the inner surface of master cylin-
der and the piston assembly are free of foreign
matter. Install the primary piston assembly and the
secondary piston assembly to master cylinder,
while taking care not to scratch the master cylinder
inner surface.
10) While pushing-in the primary piston, install the
cylinder pin.
11) While pushing-in the primary piston, install the
C-ring to the groove using pliers.
CAUTION:
Make sure the C-ring is installed to the groove
securely.
12) Install the seal to reservoir tank.
(1) Seal
13) Install the reservoir tank to the master cylinder,
and secure with pin.
Master Cylinder
BR-00169
(1) BR-00072
BR-27
14) Replace the O-ring for the master cylinder with
a new part.
(3)
(1) Primary piston
(2) O-ring
(3) Do not install the O-ring on this groove.
D: INSPECTION
Inspect for oil leakage from the master cylinder.
NOTE:
After replacing the piston kit, if an oil leakage is
found even though there is no damage or scratches
on the inside of the cylinder, the master cylinder in-
ner wall may be worn. In this case, replace the
master cylinder as an assembly.
BRAKE
(2)
(1)
BR-00363