Hyundai Accent (HC): Brake System (ABS/ESC) / Specifications
Hyundai Accent (HC) (2017 - 2022) Service Manual / Brake System (ABS/ESC) / Specifications
| Item | Specification | |
| Master cylinder | Type | Single |
| Cylinder I.D. | 20.64 mm | |
| Piston stroke | 36 ± 1 mm (1.41 ± 0.039 in) | |
| Fluid level switch | Provided | |
| Brake booster | Type | 10" Single |
| Boosting ratio | 8.0 : 1 | |
| Front disc brake | Type | Ventilated disc |
| Disc O.D. | Ø 280 mm (11.02 in) | |
| Disc thickness | 22 mm (0.87 in) | |
| Caliper piston | Single | |
| Cylinder I.D. | Ø 54.0 mm (2.13 in) | |
| Rear disc brake | Type | Solid disc |
| Disc O.D. | Ø 262 mm (10.31in) | |
| Disc thickness | 10 mm (0.39 in) | |
| Caliper piston | Single | |
| Cylinder I.D. | Ø 33.96 mm (1.34 in) | |
| Rear drum brake | Type | Leading trailing |
| Drum I.D | Ø 203.2 mm (8 in) | |
| Brake lining thickness | 4.5 mm (0.17 in) | |
| Clearance adjustment | Automatic | |
| Parking brake | Type | BIR (Ball-in-Ramp) |
| Actuation | Lever | |
| Part | Item | Standard value | Remark |
| HECU | System | 4 Channel 4 Sensor (Solenoid) | |
| Type | Motor, valve relay intergrated type | ||
| Operating Voltage | 8 - 16V | ||
| Operating Temperature | -40 - 120°C (-40 - 248°F) | ||
| Motor power | 195W | ||
| Active Wheel speed sensor (ABS) | Supply voltage | DC 4.5 - 20V | |
| Output current low | 5.9 - 8.4 mA | ||
| Output current high | 11.8 - 16.8 mA | ||
| Output range | 1 - 2500 Hz | ||
| Tone wheel | Front : 48 teeth, Rear : 48 teeth | ||
| Air gap | 0.4 - 1.0 mm |
| Part | Item | Standard value | Remark |
| HECU | System | 4 Channel 4 Sensor (Solenoid) | Total control |
| (ABS, EBD, TCS, ESP) | |||
| Type | Motor, valve relay intergrated type | ||
| Operating Voltage | 8 - 16V | ||
| Operating Temperature | -40 - 120°C (-40 - 248°F) | ||
| Motor power | 290W | ||
| Active Wheel speed sensor | Supply voltage | DC 4.5 - 20V | |
| 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 : 48 teeth, Rear : 48 teeth | ||
| Air gap | 0.4 - 1.0 mm |
| Items | Standard value |
| Brake pedal height | 180.7 mm (7.11 in) |
| Brake pedal Full stroke | 108 mm (4.25 in) |
| Stop lamp switch clearance | 1.0 - 2.0 mm (0.04 - 0.08 in) |
| Brake pedal free play | 2 - 4 mm (0.08 in - 0.16 in) |
| Front brake disc thickness | 22 mm (0.87 in) |
| Front brake disc service limit | 20 mm(0.79 in) |
| Front brake disc pad thickness | 17 mm (0.67 in) |
| Front brake disc pad service limit | 8.0 mm (0.31 in) |
| Rear brake disc thickness | 10 mm (0.39 in) |
| Rear brake disc service limit | 8.4 mm (0.33 in) |
| Rear brake disc pad thickness | 15 mm (0.59 in) |
| Rear brake disc pad service limit | 7.0 mm (0.28 in) |
| Rear drum brake lining thickness | 4.5 mm (0.17 in) |
| Items | N.m | kgf.m | lb-ft |
| Master cylinder to brake booster | 12.7 - 16.7 | 1.3 - 1.7 | 9.4 - 12.3 |
| 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 |
| Wheel speed sensor mounting bolt | 7.8 - 11.8 | 0.8 - 1.2 | 5.8 - 8.7 |
| HECU bracket mounting and nut | 16.7 - 25.5 | 1.7 - 2.6 | 12.3 - 18.8 |
| 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 |
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
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