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: Troubleshooting
- Troubleshooting SymptomSuspected AreaRemedy Abnormal noiseOil level (Low)To adding oil after inspect the parts (Oil seal, Drain plug, filler plug). Oil (Wrong)Replace the oil. Synchronizer ring (Worn or damaged)Replace the synchronizer ring. Gear (Worn or damaged)Replace the gear. Bearing (Worn or damaged)Replace the bearing. Oil leakOil level (High)Inspect the oil level.Hyundai Accent (HC) (2017 - 2022) Service Manual: Front Stabilizer Bar
- Removal 1.Loosen the wheel nuts slightly.Raise the vehicle, and make sure it is securely supported. 2.Remove the front wheel and tire (A) from the front hub.Tightening torque :107.9 - 127.5 N.m (11.0 - 13.0 kgf.m, 79.6 - 94.0 lb-ft) • Be careful not to damage the hub bolts when removing the front wheel and tire. 3.
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