Front Disc Rotor - Subaru Legacy 2002 Service Manual

Brake

3. Front Disc Rotor

A: REMOVAL
S405173A18
1) Loosen wheel nuts, jack-up vehicle, support it
with safety stands, and remove wheel.
2) Remove caliper body from housing, and sus-
pend it from strut using a wire.
NOTE:
Do not disconnect brake hose from caliper body.
3) Remove the disc rotor.
NOTE:
If disc rotor seizes up within the hub, drive disc
rotor out by installing an 8-mm bolt in holes B on
the rotor.
4) Clean mud and foreign particles from caliper
body assembly and support.
B: INSTALLATION
1) Install the disc rotor.
2) Install the caliper body to housing.
Tightening torque:
78 N·m (8 kgf-m, 58 ft-lb)
FRONT DISC ROTOR
S405173
B4M1192
G4M0365
S405173A11
BR-22
C: INSPECTION
1) Secure disc rotor by tightening the five wheel
nuts.
2) Set a dial gauge on the disc rotor. Turn disc
rotor to check runout.
NOTE:
¼ Make sure that dial gauge is set 5 mm (0.20 in)
inward of rotor outer perimeter.
¼ If disc rotor runout is above standard value,
inspect play of hub bearing axial direction and
runout of axle hub.
<Ref. to DS-21, INSPECTION, Front Axle.>
If bearing and hub are normal, replace disc rotor.
Disc rotor runout limit:
0.075 mm (0.0030 in)
3) Measure disc rotor thickness.
If thickness of disc rotor is outside the standard
value, replace disc rotor.
NOTE:
Make sure that micrometer is set 5 mm (0.20 in)
inward of rotor outer perimeter.
Standard
value
24.0 mm
15"
(0.945 in)
Disc rotor
thickness A
24.0 mm
16"
(0.945 in)
S405173A10
B4M2353
G4M0365
Service limit Disc outer
dia.
22.0 mm 277 mm
(0.866 in) (10.91 in)
22.0 mm 294 mm
(0.866 in) (11.57 in)