Subaru Legacy III (2000-2003 year). 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 )