Subaru Legacy III (2000-2003 year). Service manual — part 811
BR-2
BRAKE
GENERAL DESCRIPTION
1. General Description
A: SPECIFICATIONS
NOTE:
Refer to “PB” section for parking brake SPECIFICATIONS.
Front disc
brake
Size
15 inch type
16 inch type
16 inch type
(Turbo model)
Type
Disc (Floating type, ventilated)
Effective disc diameter
228 mm (8.98 in)
248 mm (9.76 in)
Disc thickness
×
Outer diameter
24
×
277 mm (0.94
×
10.91 in)
24
×
294 mm (0.94
×
11.57 in)
Effective cylinder diameter
42.8 mm (1.685 in)
×
2
Pad dimensions
(length
×
width
×
thickness)
112.3
×
50.0
×
11.0 mm (4.421
×
1.969
×
0.433 in)
Clearance adjustment
Automatic adjustment
Rear disc
brake
Type
Disc (Floating type)
Effective disc diameter
254 mm (10.0 in)
Disc thickness
×
Outer diameter
10
×
290 mm (0.39
×
11.42 in)
18
×
290 mm (0.71
×
11.42 in)
Effective cylinder diameter
38.1 mm (1.500 in)
Pad dimensions
(length
×
width
×
thickness)
82.4
×
33.7
×
9.0 mm (3.244
×
1.327
×
0.354 in)
Clearance adjustment
Automatic adjustment
Master cyl-
inder
Type
Tandem
Effective diameter
26.99 mm (1-1/16 in)
RHD without VDC: 25.4
mm (1 in)
LHD and RHD with
VDC: 26.99 mm (1-1/16
in)
26.99 mm (1-1/16 in)
Reservoir type
Sealed type
Brake fluid reservoir capacity
205 cm
3
(12.51 cu in)
Brake
booster
Type
Vacuum suspended
Effective diameter
205 + 230 mm (8.07 + 9.06 in)
Propor-
tioning
valve
Split point
2,942 kPa
(30 kg/cm
2
, 427 psi)
With VDC: 3,678 kPa
(37.5 kg/cm
2
, 533 psi)
Without VDC: 2,942
kPa
(30 kg/cm
2
, 427 psi)
2,942 kPa
(30 kg/cm
2
, 427 psi)
Reducing ratio
0.3
Brake line
Dual circuit system
Brake fluid
CAUTION:
• Avoid mixing brake fluid of different brands
to prevent the fluid performance from degrad-
ing.
• When brake fluid is supplemented, be care-
ful not to allow any dust into the reservoir.
• Use fresh DOT3 or 4 brake fluid when
replacing or refilling the fluid.
FMVSS No. 116, DOT3 or DOT4
BR-3
BRAKE
GENERAL DESCRIPTION
ITEM
STANDARD
SERVICE LIMIT
Front brake
Pad thickness
(including back metal)
17 mm (0.67 in)
7.5 mm (0.295 in)
Disc thickness
24 mm (0.94 in)
22 mm (0.87 in)
Disc runout
—
0.075 mm (0.0030 in)
Rear brake
Pad thickness
(including back metal)
14 mm (0.55 in)
6.5 mm (0.256 in)
Disc thickness
Turbo model: 18 mm (0.71 in)
Non-turbo model: 10 mm
(0.39 in)
Turbo model: 16 mm (0.63 in)
Non-turbo model: 8.5 mm
(0.335 in)
Disc runout
—
0.070 mm (0.0028 in)
Parking brake
Inside diameter
170 mm (6.69 in)
171 mm (6.73 in)
Lining thickness
3.2 mm (0.126 in)
1.5 mm (0.059 in)
Lever stroke
7 to 8 notches/196 N (20 kgf, 44 lb)
Model
OUTBACK
Except OUTBACK
RHD without VDC
RHD with VDC, LHD
Non-turbo model
Turbo model
Brake pedal
force
Fluid pressure
Fluid pressure
Brake fluid pres-
sure without
engine running
147 N
(15 kgf, 33 lb)
686 kPa
(7 kg/cm
2
, 100 psi)
588 kPa
(6 kg/cm
2
, 85 psi)
588 kPa
(6 kg/cm
2
, 85 psi)
686 kPa
(7 kg/cm
2
, 100 psi)
294 N
(30 kgf, 66 lb)
1,863 kPa
(19 kg/cm
2
, 270 psi)
1,667 kPa
(17 kg/cm
2
, 242 psi)
1,667 kPa
(17 kg/cm
2
, 242 psi)
1,765 kPa
(18 kg/cm
2
, 256 psi)
Brake fluid pres-
sure with engine
running and vac-
uum at 66.7 kPa
(500 mmHg,
19.69 inHg)
147 N
(15 kgf, 33 lb)
5,884 kPa
(60 kg/cm
2
, 853 psi)
5,688 kPa
(58 kg/cm
2
, 825 psi)
5,688 kPa
(58 kg/cm
2
, 825 psi)
6,082 kPa
(62 kg/cm
2
, 882 psi)
294 N
(30 kgf, 66 lb)
10,886 kPa
(111 kg/cm
2
, 1,578
psi)
9,703 kPa
(99 kg/cm
2
, 1,408
psi)
9,702 kPa
(99 kg/cm
2
, 1,407
psi)
11,674 kPa
(119 kg/cm
2
, 1,693
psi)
Brake pedal
Free play
1 — 3 mm (0.04 — 0.12 in)
[Depress brake pedal pad with a force of less than 10 N (1 kgf, 2 lb).]
BR-4
BRAKE
GENERAL DESCRIPTION
B: COMPONENT
1. FRONT DISC BRAKE
*: Refer to ID section for the option code. <Ref. to ID-4, MODEL NUMBER PLATE, IDENTIFICATION, Identification.>
BR-00259
( 1 )
( 2 )
( 3 )
( 4 )
( 4 )
( 5 )
( 6 )
( 7 )
( 8 )
(10)
(11)
(12)
(19)
(12)
(19)
(13)
(13)
(14)
(15)
(16)
(17)
T2
T4
T3
T1
( 1 8 )
( 9 )
(1) Caliper body
(11) Pad clip
(19) Adhesive shim
[Option code*: EC, EK, KA (B4
MT)]
(2) Air bleeder screw
(12) Outer shim [Option code*: KO, K1,
K4, KA (Except B4 MT), KS]
(3) Guide pin (Green)
(4) Pin boot
(13) Inner shim [Option code*: KO, K1,
K4, KA (Except B4 MT), KS]
(5) Piston seal
Tightening torque: N·m (kgf-m, ft-lb)
(6) Piston
(14) Pad (Outside)
T1: 8 (0.8, 5.8)
(7) Piston boot
(15) Pad (Inside)
T2: 18 (1.8, 13.0)
(8) Boot ring
(16) Disc rotor
T3: 39 (4.0, 28.9)
(9) Lock pin (Yellow)
(17) Disc cover
T4: 78 (8.0, 58)
(10) Support
(18) Bushing
BR-5
BRAKE
GENERAL DESCRIPTION
2. REAR DISC BRAKE
(1) Caliper body
(14) Shim
(27) Primary shoe return spring
(2) Air bleeder screw
(15) Shoe hold-down pin
(28) Adjusting spring
(3) Guide pin (Green)
(16) Cover
(29) Adjuster
(4) Pin boot
(17) Back plate
(30) Shoe hold-down cup
(5) Piston seal
(18) Retainer
(31) Shoe hold-down spring
(6) Piston
(19) Spring washer
(32) Disc rotor
(7) Piston boot
(20) Parking brake lever
(33) Bushing
(8) Boot ring
(21) Parking brake shoe (Secondary)
(9) Lock pin (Yellow)
(22) Parking brake shoe (Primary)
Tightening torque: N·m (kgf-m, ft-lb)
(10) Support
(23) Strut
T1: 8 (0.8, 5.8)
(11) Pad clip
(24) Strut shoe spring
T2: 39 (4.0, 28.9)
(12) Pad (Inner)
(25) Shoe guide plate
T3: 52 (5.3, 38.3)
(13) Pad (Outer)
(26) Secondary shoe return spring
BR-00260
( 1 )
( 2 )
( 3 )
( 4 )
( 5 )
( 6 )
( 7 )
( 8 )
(10)
(11)
(11)
(12)
(13)
(14)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(21)
(24)
(23)
(25)
(26)
(27)
(29)
(30)
(31)
(28)
(22)
(32)
T3
T2
T1
( 4 )
( 3 3 )
( 9 )
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