Specifications

Item		Specification
Master cylinder	Type	Tandem
	Cylinder I.D.	22.22 mm (0.875 in)
	Piston stroke	45 ± 1 mm (1.77 ± 0.039 in)
	Fluid level switch	Provided
Brake booster	Type	Single
	Boosting ratio	8 : 1
Front Disc brake	Type	Ventilated disc
	Disc O.D.	Ø 280 mm (11.02 in)
	Disc thickness	23 mm (0.91 in)
	Caliper piston	Single
	Cylinder I.D.	Ø 57.2mm (2.25 in)
Rear Disc brake	Type	Solid disc
	Disc O.D.	262 mm (10.31 in)
	Disc thickness	10 mm (0.39 in)
	Caliper piston	Single
	Cylinder I.D.	Ø 34 mm (1.34 in)
Parking brake	Type	BIR (Ball-in-Ramp)
	actuation	Lever

O.D.: Outer Diameter I.D: Inner Diameter

Specification (ESC)

Part	Item	Standard value	Remark
HECU	System	4 Channel 4 Sensor (Solenoid)	Total control
	Type	Motor, valve relay integrated type	(ABS, EBD, TCS, ESC)
	Operating Voltage	10 ~ 16 V
	Operating Temperature	-40 ~ 120 °C (-40 ~ 248°F)
	Motor power	270 W
Active Wheel speed sensor	Supply voltage	DC 4.5 ~ 20 V
	Output current low	5.9 ~ 8.4 mA
	Output current high	11.8~ 16.8 mA
	Output range	1 ~ 2,500 Hz
	Tone wheel	Front : 46 teeth, Rear : 47 teeth
	Air gap	0.4 ~ 1.5 mm
Yaw rate& Lateral G sensor (CAN TYPE)	Operating Voltage	10 ~ 16 V
	Current Consumption	Max. 140 mA
	Yaw rate sensor measurement range	-75 ~ +75 °/sec
	Lateral G sensor measurement range	-14.715 ~ 14.715 m/s²

Service Standard

Items	Standard value
Brake pedal height	191.61 mm (7.54 in)
Brake pedal Full stroke	135 mm (5.31 in)
Stop lamp switch clearance	1.0 ~ 2.0 mm (0.04 ~ 0.08 in)
Brake pedal free play	1.8 ~ 4.2 mm (0.07 ~ 0.17 in)
Front brake disc thickness	23 mm (0.91 in)
Front brake disc pad thickness	10.5 mm (0.41 in)
Rear brake disc thickness	10 mm (0.39 in)
Rear brake disc pad thickness	10 mm (0.39 in)

Tightening Torques

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 ~ 11.6
Brake booster mounting nuts	18.6 ~ 23.5	1.9 ~ 2.4	13.7 ~ 17.4
Air bleeding 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 knuckle	78.5 ~ 98.1	8.0 ~ 10.0	57.9 ~ 72.3
Rear caliper assembly to 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 member bracket bolts	18.6 ~ 23.5	1.9 ~ 2.4	13.7 ~ 17.4
Brake pedal shaft nut	29.4 ~ 34.3	3.0 ~ 3.5	21.7 ~ 25.3
Front wheel speed sensor mounting bolt	7.8 ~ 11.8	0.8 ~ 1.2	5.7 ~ 8.7
Rear wheel speed sensor mounting bolt	6.9 ~ 10.8	0.7 ~ 1.1	5.0 ~ 8.0
HECU bracket mounting nut	16.7 ~ 25.5	1.7 ~ 2.6	12.3 ~ 18.8

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 contacting surface	Heat resistance grease	As required
Front caliper guide rod and boot	AI-11P	0.8 ~ 2.0 g
Rear caliper guide rod and boot	AI-11P	0.8 ~ 2.0 g