Kia Soul: Specifications - Brake SystemKia Soul: Specifications

Kia Soul 2014-2019 PS Service Manual / Brake System / Specifications

Item
 Specification
Master cylinder
 Type
 Fixed seal
Cylinder I.D.
 Ø 20.64 mm (0.813 in)
Piston stroke
 45 ± 1 mm (1.77 ± 0.039 in)
Fluid level switch
 Provided
Brake booster
 Size
 10" Single
Boosting ratio
 9.0 : 1
Front disc brake
 Type
 Ventilated disc
Disc O.D.
 Ø 280 mm (11.024 in)
Disc thickness
 23 mm (0.906 in)
Caliper piston
 Single piston
Cylinder I.D.
 Ø 57.2 mm (2.252 in)
Rear disc brake
 Type
 Solid disc
Disc O.D.
 Ø  262 mm (10.315 in)
Disc thickness
 10 mm (0.393 in)
Caliper piston
 Single
Cylinder I.D.
 Ø 34 mm (1.338 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
(ABS, EBD, TCS, ESC)
Type
 Motor, valve relay intergrated type
Operating Voltage
 10 ~ 16 V
Operating Temperature
 -40 ~ 120 °C (-40 ~ 248°F)
Motor power
 195 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
 46 teeth
 　
Air gap
 Front : 0.4 ~ 1.0 mm
 　

Service Standard
Items
 Standard value
Brake pedal height
 165 mm (6.496 in)
Brake pedal Full stroke
 129.3 mm (5.091 in)
Brake pedal free play
 1.0 ~ 2.0 mm (0.04 ~ 0.08 in)
Front brake disc thickness
 Standard : 23 mm (0.906 in)
Service Limit: 21 mm (0.827 in)
Front brake disc pad thickness
 Standard : 10.5 mm (0.413 in)
Service limit: 2.0 mm (0.0787 in)
Rear brake disc thickness
 Standard : 10.0 mm (0.393 in)
Service Limit: 8.4 mm (0.331 in)
Rear brake disc pad thickness
 Standard : 10.0 mm (0.393 in)
Service limit: 2.0 mm (0.0787 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
 16.7 ~ 25.5
 1.7 ~ 2.6
 12.3 ~ 18.8
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
 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
 19.6 ~ 29.4
 2.0 ~ 3.0
 14.5 ~ 21.7

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 contacting surface
 Heat resistance grease
 As required
Front Caliper guide rod and boot
 BG-I (MS511-60)
 0.35 ~ 0.8g
Rear Caliper guide rod and boot
 BG-I (MS511-60)
 0.35 ~ 0.8g

    Brake System
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