Brake System

Specifications

~4min read

Specifications

Item Specification
Master Cylinder Cylinder Inner Diameter 22.22 mm
Piston Stroke 45 ± 1 mm (1.77 ± 0.039 in.)
Fluid Level Sensor Provided
Brake booster Size 10 inches
Booster Ratio 8,0 : 1
Front Disc Brake 15-inch wheel 16-inch wheel
Type Ventilated Disc Ventilated Disc
Rear Disc Ø 280 mm (11.02 in) Ø 300 mm (11.81 in)
Disc Thickness 23 mm (0.91 in.) 28 mm (1.10 in.)
Caliper Piston Single Single
Cylinder Inner Diameter Ø 57.2 mm (2.25 in) Ø 57.2 mm (2.25 in)
Rear Disc Brake Without EPB With EPB
Type Solid Disc Solid Disc
Rear Disc Ø 262 mm (10.31 in) Ø 284 mm (11.18 in.)
Disc Thickness 10 mm (0.39 in.) 10 mm (0.39 in.)
Caliper Piston Single Single
Cylinder Inner Diameter Ø 34 mm (1.34 in.) Ø 34 mm (1.34 in.)
Parking Brake (Non-EPB) Type BIR (Ball in Ramp)
Activation Lever

Specifications (ABS)
Part Item Standard Value NOTE
HECU System 4-Channel 4-Sensor (Solenoid)
Type Motor, Integrated Valve Relay Type
Operating Voltage 10 ~ 16 V
Operating Temperature -40 ~ 120 °C
Engine Power 195 W
Active Wheel Speed Sensor (ABS) Supply Voltage 4.5 ~ 20 V DC
Low Output Current 5.9 ~ 8.4 mA
High Output Current 11.8 ~ 16.8 mA
Output range 1 ~ 2500 Hz
Tone wheel 46 teeth
Air gap 0.4 ~ 1.0 mm

Specifications (ESP)
Part Item Standard Value NOTE
HECU System 4-Channel 4-Sensor (Solenoid) Full control
(ABS, EBD, TCS, ESP)
Type Motor, Integrated Valve Relay Type
Operating Voltage 10 ~ 16 V
Operating Temperature -40 ~ 120 °C
Engine Power 270 W
Active wheel speed sensor Supply Voltage 4.5 ~ 20 V DC
Low Output Current 5.9 ~ 8.4 mA
High Output Current 11.8 ~ 16.8 mA
Output range 1 ~ 2500 Hz
Tone wheel 46 teeth
Air gap 0.4 ~ 1.0 mm
Yaw Rate and Acceleration Sensor
(TYPE MAY VARY)

Operating Voltage 10 ~ 16 V
Current Consumption Max. 140 mA
Yaw Rate Sensor Measuring Range ± 75 °/sec
Lateral/Longitudinal Sensor Measuring Range ±14.715 m/s²

Service Standard
Items Standard Value
Brake pedal height 183 mm (7.20 in)
Brake pedal full travel 135 mm (5.31 in.)
Stop light switch clearance 1.0 ~ 2.0 mm (0.04 ~ 0.08 in.)
Brake pedal free play 2 ~ 4 mm (0.08 ~ 0.16 in.)
Front brake disc thickness 15-inch: 23 mm (0.90 in), 16-inch: 28 mm (1.10 in)
Front brake pad thickness 10.5 mm (0.41 in.)
Rear brake disc thickness 10 mm (0.39 in.)
Rear brake pad thickness EPB: 10 mm (0.39 in), Total [BIR]: 9.2 mm (0.36 in)

Tightening Torque
Items N·m kgf·m lb-ft
Hub Nut 88,3 ~ 107,9 9,0 ~ 11,0 65,1 ~ 79,6
Master cylinder to brake booster 9,8 ~ 15,7 1,0 ~ 1,6 7,2 ~ 11,2
Brake booster mounting nuts 16,7 ~ 25,5 1,7 ~ 2,6 12,3 ~ 18,8
Bleeder screw 6,9 ~ 12,7 0,7 ~ 1,3 5,1 ~ 9,4
Brake tube flare nuts 12,7 ~ 16,7 1,3 ~ 1,7 9,4 ~ 12,3
Front caliper guide rod bolts 21,6 ~ 31,4 2,2 ~ 3,2 15,9 ~ 23,1
Rear caliper guide rod bolts 21,6 ~ 31,4 2,2 ~ 3,2 15,9 ~ 23,1
Front caliper assembly to steering knuckle 78,5 ~ 98,1 8,0 ~ 10,0 57,9 ~ 72,3
Rear caliper assembly to steering knuckle 63,7 ~ 73,5 6,5 ~ 7,5 47,0 ~ 54,2
Brake hose to caliper 24,5 ~ 29,4 2,5 ~ 3,0 18,1 ~ 21,7
Brake pedal bracket bolts 16,7 ~ 25,5 1,7 ~ 2,6 12,3 ~ 18,8
Brake Pedal Shaft Nut 24,5 ~ 34,3 2,5 ~ 3,5 18,1 ~ 25,3
Wheel speed sensor mounting bolt 6,9 ~ 10,7 0,7 ~ 1,1 5,1 ~ 8,0
HECU Bracket Mounting Nuts 16,7 ~ 25,5 1,7 ~ 2,6 12,3 ~ 18,8
Yaw Rate and Acceleration Sensor Mounting Nuts 7,8 ~ 11,8 0,8 ~ 1,2 5,8 ~ 8,7

Lubricants
Items Recommended Quantity
Brake fluid DOT 3 or DOT 4 As required
Brake pedal bushing and bolt Chassis grease As required
Parking brake shoe and backing plate contact surface Heat-resistant grease As required
Front Caliper Guide Rod and Boot KL-64Y 0.8 ~ 2.0 g
Rear Caliper Guide Rod and Boot KL-64Y 0.8 ~ 2.0 g

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