Hyundai Santa Cruz: Brake System / Specifications
| Item | Specification | |
| Master cylinder | Type | Tandem |
| I.D. mm (in) | 22.22 mm (0.87 in.) | |
| Piston stroke mm (in) | 45 mm (1.77 in.) | |
| Brake booster | Type | 11" |
| Boosting ratio | 10 : 1 | |
| Front disc brake | Type | Ventilated disc |
| Disc O.D | 325 mm (12.80 in.) | |
| Disc thickness | 30 mm (1.18 in.) | |
| Cylinder type | Single piston | |
| Cylinder I.D. | Ø 63.5 mm (2.5 in.) | |
| Rear disc brake | Type | Solid disc |
| Disc O.D | 325 mm (12.79 in.) | |
| Disc thickness | 12 mm (0.47 in.) | |
| Cylinder type | Single piston | |
| Cylinder I.D. | Ø45 mm (1.77 in.) | |
| Parking brake | Type | Electronic Parking Brake (EPB) |
| HECU | System | 4 Channel 4 Sensor control system (Total control ABS, TCS, EBD, ESP) |
| Type | valve relay intergrated type (ECU, TCU and CAN)Motor, | |
| Operating Voltage | 8 ~ 16V | |
| Operating Temperature | -40 - 110°C (-40 ~ 230°F) | |
| Motor power | 300 W | |
| Active Wheel speed sensor | Supply voltage | DC 4.55 ~ 16 V |
| Output current (low) | 7 +1.4/-1.12 mA | |
| Output current (high) | 14 +2.8/-2.24 mA | |
| Output range | 0 ~ 2500 Hz | |
| Tone wheel | Front : 52 teeth, Rear : 52 teeth | |
| Air gap | 0.4 - 1.5 mm (0.02 - 0.06 in.) | |
| Steering Wheel Angle Sensor | Operating Voltage | 8 ~ 16V |
| Current Consumption | 150 mAMax. | |
| Output measurement range | ~ + 779.9°-780 | |
| Operating Angular velocity | 0 ~ 1016°/sec | |
| Items | Standard value |
| Brake pedal height | 135 mm (5.31 in.) |
| Brake pedal full stroke | 176 mm (6.93 in.) |
| Stop lamp switch clearance | 1 - 2 mm (0.04 in. - 0.08 in.) |
| Brake pedal free play | 2 - 4 mm (0.08 in. - 0.16 in.) |
| Front brake disc pad thickness | 11 mm (0.43 in.) |
| Front brake disc pad service limit | 2.0 mm (0.07 in.) |
| Front brake disc thickness | 30 mm (1.18 in.) |
| Front brake disc service limit | 28 mm (1.10 in.) |
| Rear brake disc pad thickness | 10 mm (0.31 in.) |
| Rear brake disc pad service limit | 2.0 mm (0.07 in.) |
| Rear brake disc thickness | 12 mm (0.47 in.) |
| Rear brake disc service limit | 10.0 mm (0.39 in.) |
| Items | N.m | kgf.m | lb-ft |
| Master cylinder to brake booster | 12.8 - 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 nut, brake hose | 13.7 - 16.7 | 1.4 - 1.7 | 10.1 - 12.3 |
| Front caliper guide rod bolts | 37.2 - 41.1 | 3.8 - 4.2 | 27.4 - 30.3 |
| Rear caliper guide rod bolts | 37.2 - 41.1 | 3.8 - 4.2 | 27.4 - 30.3 |
| Front caliper assembly mounting bolt | 98.1 - 117.7 | 10.0 - 12.0 | 72.3 - 86.8 |
| Rear caliper assembly mounting bolt | 98.1 - 117.7 | 10.0 - 12.0 | 72.3 - 86.8 |
| Brake hose to caliper | 24.5 - 29.4 | 2.5 - 3.0 | 18.1 - 21.7 |
| Brake pedal member bracket bolt | 16.7 - 25.5 | 1.7 - 2.6 | 12.3 - 18.8 |
| Wheel speed sensor mounting bolt | 8.8 - 13.7 | 0.9 - 1.4 | 6.5 - 10.1 |
| Items | Recommended | Quantity |
| Brake fluid | DOT 4 | As required |
| Brake pedal bushing and bolt | Chassis grease | As required |
Brake System
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Troubleshooting
- Troubleshooting
Problem Symptoms Table
Use the table below to help you find the cause of the problem. The
numbers indicate the priority of the likely cause of the problem.Check
each part in ...
Other information:
Hyundai Santa Cruz (NX4A OB) 2021-2025 Service Manual: Heater Core
- Replacement
1.Disconnect the negative (-) battery terminal.
2.Remove the heater and blower assembly.(Refer to Heater - "Heater Unit")
3.Loosen the mounting screws and remove the heater core cover (A).
4.Separate the heater core (A) from the heater unit.
5.Install in the reverse ord ...
Hyundai Santa Cruz (NX4A OB) 2021-2025 Service Manual: Water pump
- Components
1. Water inlet pipe2. O-ring3. Water pump housing4. Water pump housing gasket5. Water pump gasket6. Water pump7. Water pump pulley
- Removal and Installation
Water Pump
1.Disconnect the battery negative terminal.
2.Drain the coolant by loosening the drain plug.(Refer t ...
