Hyundai Accent (HC): Brake System (ABS/ESC) / Specifications

- Specifications

ItemSpecification
Master cylinderTypeSingle
Cylinder I.D.20.64 mm
Piston stroke36 ± 1 mm (1.41 ± 0.039 in)
Fluid level switchProvided
Brake boosterType10" Single
Boosting ratio8.0 : 1
Front disc brakeTypeVentilated disc
Disc O.D.Ø 280 mm (11.02 in)
Disc thickness22 mm (0.87 in)
Caliper pistonSingle
Cylinder I.D.Ø 54.0 mm (2.13 in)
Rear disc brakeTypeSolid disc
Disc O.D.Ø  262 mm (10.31in)
Disc thickness10 mm (0.39 in)
Caliper pistonSingle
Cylinder I.D.Ø 33.96 mm (1.34 in)
Rear drum brakeTypeLeading trailing
Drum I.DØ 203.2 mm (8 in)
Brake lining thickness4.5 mm (0.17 in)
Clearance adjustmentAutomatic
Parking brakeTypeBIR (Ball-in-Ramp)
ActuationLever

Specification (ABS)
PartItemStandard valueRemark
HECUSystem4 Channel 4 Sensor (Solenoid)
TypeMotor, valve relay intergrated type
Operating Voltage8 - 16V
Operating Temperature-40 - 120°C (-40 - 248°F)
Motor power195W
Active Wheel speed sensor (ABS)Supply voltageDC 4.5 - 20V
Output current low5.9 - 8.4 mA
Output current high11.8 - 16.8 mA
Output range1 - 2500 Hz
Tone wheelFront : 48 teeth, Rear : 48 teeth
Air gap0.4 - 1.0 mm

Specification (ESP)
PartItemStandard valueRemark
HECUSystem4 Channel 4 Sensor (Solenoid) Total control
(ABS, EBD, TCS, ESP)
TypeMotor, valve relay intergrated type
Operating Voltage8 - 16V
Operating Temperature-40 - 120°C (-40 - 248°F)
Motor power290W
Active Wheel speed sensorSupply voltageDC 4.5 - 20V
Output current low5.9 - 8.4 mA
Output current high11.8 - 16.8 mA
Output range1 - 2,500 Hz
Tone wheelFront : 48 teeth, Rear : 48 teeth
Air gap0.4 - 1.0 mm

Service Standard
ItemsStandard value
Brake pedal height180.7 mm (7.11 in)
Brake pedal Full stroke108 mm (4.25 in)
Stop lamp switch clearance1.0 - 2.0 mm (0.04 - 0.08 in)
Brake pedal free play2 - 4 mm (0.08 in - 0.16 in)
Front brake disc thickness22 mm (0.87 in)
Front brake disc service limit20 mm(0.79 in)
Front brake disc pad thickness17 mm (0.67 in)
Front brake disc pad service limit8.0 mm (0.31 in)
Rear brake disc thickness10 mm (0.39 in)
Rear brake disc service limit8.4 mm (0.33 in)
Rear brake disc pad thickness15 mm (0.59 in)
Rear brake disc pad service limit7.0 mm (0.28 in)
Rear drum brake lining thickness4.5 mm (0.17 in)

- Tightening Torques
ItemsN.mkgf.mlb-ft
Master cylinder to brake booster12.7 - 16.71.3 - 1.79.4 - 12.3
Brake booster mounting nuts16.7 - 25.51.7 - 2.612.3 - 18.8
Air bleeding screw6.9 - 12.70.7 - 1.35.1 - 9.4
Brake tube flare nuts12.7 - 16.71.3 - 1.79.4 - 12.3
Front caliper guide rod bolts21.6 - 31.42.2 - 3.215.9 - 23.1
Rear caliper guide rod bolts21.6 - 31.42.2 - 3.215.9 - 23.1
Front caliper assembly to knuckle78.5 - 98.18.0 - 10.057.9 - 72.3
Rear caliper assembly to knuckle63.7 - 73.56.5 - 7.547.0 - 54.2
Brake hose to caliper24.5 - 29.42.5 - 3.018.1 - 21.7
Brake pedal member bracket bolts16.7 - 25.51.7 - 2.612.3 - 18.8
Wheel speed sensor mounting bolt7.8 - 11.80.8 - 1.25.8 - 8.7
HECU bracket mounting and nut16.7 - 25.51.7 - 2.612.3 - 18.8

Lubricants
ItemsRecommendedQuantity
Brake fluidDOT 3 or DOT 4As required
Brake pedal bushing and boltChassis greaseAs required
Parking brake shoe and backing plate contacting surfaceHeat resistance greaseAs required

Other information:

Hyundai Accent (HC) (2017 - 2022) Service Manual: Clutch Switch

- Specifications ItemSpecifications Working voltageDC 12.5V ± 0.3V Operating forceInitial position : 0.25 ± 0.15N(0.025 ± 0.015kg, 0.056 ± 0.034lb) Full position : 0.8 ± 0.2 N(0.08 ± 0.02 kgf, 0.579 ± 0.014 lb-ft) Working temperature-40℃ ~ 80℃ (-40℉ ~ 176℉) - Description – Clutch operation is detected through clutch switch signal.

Hyundai Accent (HC) (2017 - 2022) Service Manual: Specifications

- Specifications ItemsSpecification HoodTypeFront opening type, rear hinged, stay rod type Front DoorConstructionFront hinged, frame door construction Regulator systemWire drum type Locking systemPin - fork system Rear DoorConstructionFront hinged, frame door construction Regulator systemWire drum type Locking systemPin - fork system Trunk LidTypeTorsior bay type Seat BeltsFront3 point type with Emergency Locking Retractor (E.

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