Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Service manual — part 554
BRAKE
BR
Page
General Description . . . . . . . . . . . . . . . . . . . . ...2
Front Brake Pad . . . . . . . . . . . . . . . . . . . . . ...14
Front Disc Rotor . . . . . . . . . . . . . . . . . . . . . ...17
Front Disc Brake Assembly . . . . . . . . . . . . . . . . . ..19
Rear Brake Pad . . . . . . . . . . . . . . . . . . . . . . 24
Rear Disc Rotor . . . . . . . . . . . . . . . . . . . . . . 27
Rear Disc Brake Assembly . . . . . . . . . . . . . . . . . ..29
Master Cylinder . . . . . . . . . . . . . . . . . . . . . . 33
Brake Booster . . . . . . . . . . . . . . . . . . . . . . ..35
Brake Fluid . . . . . . . . . . . . . . . . . . . . . . . ...40
Air Bleeding . . . . . . . . . . . . . . . . . . . . . . . ..41
Brake Hose . . . . . . . . . . . . . . . . . . . . . . . ..43
Brake Pipe . . . . . . . . . . . . . . . . . . . . . . . . 46
Brake Pedal . . . . . . . . . . . . . . . . . . . . . . . ..47
Stop Light Switch . . . . . . . . . . . . . . . . . . . . . .49
Hill Start Assist . . . . . . . . . . . . . . . . . . . . . . .51
General Diagnostic Table . . . . . . . . . . . . . . . . . . .54
BR-2
General Description
BRAKE
1. General Description
A: SPECIFICATION
Front disc
brake
Size
Brembo 17-inch type
16-inch type
Type
Disc (Opposed type, ventilated)
Disc (Floating type, ventilated)
Effective disc diameter
mm (in)
268 (10.55)
244 (9.61)
Disc thickness × Diameter
mm (in)
30 × 326 (1.18 × 12.83)
24 × 294 (0.94 × 11.57)
Effective cylinder diameter
mm (in)
40.0 × 2, 46.0 × 2
(1.575 × 2, 1.811 × 2)
42.8 (1.685) × 2
Pad dimensions
(Length × Width × Thickness)
mm (in)
131.8 × 60.5 × 8.9
(5.189 × 2.382 × 0.35)
117.8 × 50.5 × 11.0
(4.638 × 1.988 × 0.433)
Clearance adjustment
Automatic adjustment
Rear disc
brake
Size
Brembo 17-inch type
15-inch type
Type
Disc (Opposed type, ventilated)
Disc (Floating type, solid)
Effective disc diameter
mm (in)
268 (10.55)
250 (9.84)
Disc thickness × Diameter
mm (in)
20 × 316
(0.79 × 12.44 )
10 × 286 (0.39 × 11.26)
Effective cylinder diameter
mm (in)
40.0 (1.575) × 2
38.1 (1.500)
Pad dimensions
(Length × Width × Thickness)
mm (in)
76.8 × 45.0 × 9.0
(3.024 × 1.772 × 0.354)
92.0 × 33.0 × 9.0
(3.622 × 1.299 × 0.354)
Clearance adjustment
Automatic adjustment
Master
cylinder
Type
Tandem
Effective diameter
mm (in)
23.8 (15/16)
Reservoir type
Sealed type
Brake fluid reservoir capacity
cm
3
(cu in)
205 (12.51)
Brake
booster
Type
Vacuum suspended
Effective diameter
mm (in)
208 + 229 (8.19 + 9.02)
Brake line
Dual circuit system
Brake fluid
CAUTION:
• Avoid mixing brake fluid of different brands to prevent
fluid performance from degrading.
• When filling with brake fluid, be careful not to allow any
dust to enter the reservoir.
• Use new SUBARU genuine brake fluid when replacing
or refilling the fluid.
FMVSS No. 116, DOT3, or DOT4
BR-3
General Description
BRAKE
NOTE:
Item
Standard
Limit
Front brake
Pad thickness
mm (in)
16-inch type
11 (0.43)
1.5 (0.059)
Brembo 17-inch type
8.9 (0.35)
1.2 (0.047)
Disc thickness
mm (in)
16-inch type
24 (0.94)
22 (0.87)
Brembo 17-inch type
30 (1.18)
28 (1.10)
Disc runout
mm (in)
16-inch type
—
0.050 (0.0020)
Brembo 17-inch type
—
0.075 (0.0030)
Rear brake
Pad thickness
mm (in)
15-inch type
9.0 (0.354)
1.5 (0.059)
Brembo 17-inch type
9.0 (0.354)
1.2 (0.047)
Disc thickness
mm (in)
15-inch type
10 (0.39)
8.5 (0.335)
Brembo 17-inch type
20 (0.79)
18 (0.71)
Disc runout
mm (in)
15-inch type
—
0.050 (0.0020)
Brembo 17-inch type
—
0.070 (0.0028)
Parking brake
Inside diameter
mm (in)
190 (7.48)
191 (7.52)
Lining thickness
mm (in)
2.8 (0.11)
1.5 (0.059)
Lever stroke
7 — 8 notches/200 N (20 kgf, 45 lbf)
Brake pedal force N
(kgf, lbf)
Fluid pressure kPa (kgf/cm
2
, psi)
Brembo 17-inch type
16-inch type
Brake booster
Brake fluid pressure with engine
stopped
147 (15, 33)
545 (6, 79)
294 (30, 66)
1,564 (16, 227)
Brake fluid pressure with engine run-
ning and vacuum pressure at 66.7
kPa (500 mmHg, 19.69 inHg)
147 (15, 33)
4,984 (51, 723)
6,003 (61, 871)
294 (30, 66)
10,249 (105, 1,486)
11,273 (115, 1,635)
Brake pedal
Free play
mm (in)
0.5 — 2 (0.020 — 0.079)
[When pulling the brake pedal upward with a force of less than 10 N (1 kgf, 2 lbf)]
BR-4
General Description
BRAKE
B: COMPONENT
1. FRONT DISC BRAKE (BREMBO-TYPE)
(1)
Housing
(8)
Piston boot
(15) Disc rotor
(2)
Caliper body
(9)
Piston
(16) Disc cover
(3)
Air bleeder screw
(10) Piston seal
(4)
Guide plate
(11) Pad shim (outer)
Tightening torque: N·m (kgf-m, ft-lb)
(5)
Cross spring
(12) Pad shim (inner)
T1: 18 (1.84, 13.3)
(6)
Clip
(13) Pad (outside)
T2: 20 (2.04, 14.8)
(7)
Pad pin
(14) Pad (inside)
T3: 155 (15.81, 114.3)
BR-00781
T2
T3
(5)
(4)
(6)
(14)
(3)
(2)
(13)
(11)
(11)
(10)
(10)
(9)
(9)
(8)
(8)
(7)
(12)
(12)
(15)
(1)
(16)
T1
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст