Hyundai Veloster Manuals

Hyundai Veloster: Specifications - General Information - Brake SystemHyundai Veloster: Specifications

Hyundai Veloster 2011-2017 Service Manual / Brake System / General Information / Specifications

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


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...

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