Kia Cadenza: Brake System / Specifications
Kia Cadenza YG 2016-2025 Service Manual / Brake System / Specifications
| Specifications |
| Item | Specification | |
| Master cylinder | Cylinder I.D. | Ø 22.22 mm (0.857 in) |
| Piston stroke | 45±1 mm (1.77 ± 0.039 in) | |
| Fluid level switch | Provided | |
| Brake booster | Type | 11" Single |
| Boosting ratio | 9:1 | |
| Front disc brake | Type | Ventilated disc |
| Disc O.D. | Ø 320 mm (12.60 in) | |
| Disc thickness | 28 mm (1.10 in) | |
| Caliper piston | Single | |
| Cylinder I.D. | Ø 60.6 mm (2.38 in) | |
| Rear disc brake | Type | Solid disc |
| Disc O.D. | Ø 284 mm (11.18 in) | |
| Disc thickness | 10 mm (0.39 in) | |
| Caliper piston | Single | |
| Cylinder I.D. | Ø 38 mm (1.50 in) | |
| Parking brake (NON EPB) | Type | DIH (Drum in hat) |
| Drum I.D. | Ø 168 mm (6.61 in) | |
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 | 270 W (Premium : 340 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 ~ 2500 Hz | | |
| Tone wheel | Front : 48 teeth, Rear : 47 teeth | | |
| Air gap | 0.4 ~ 1.5 mm | | |
| Steering Wheel Angle Sensor | Operating Voltage | 8 ~ 16 V | |
| Current Consumption | Max. 150 mA | | |
| Output measurement range | -780 ~ +779.9 ° | | |
| Operating Angular velocity | 0 ~ 1016 °/sec | | |
| Yaw rate& Lateral & G sensor (CAN TYPE) | Operating Voltage | 7 ~ 18 V | |
| Current Consumption | Max. 120 mA | | |
| Yaw rate sensor measurement range | -100 ~ +100 °/sec | | |
| Lateral G sensor measurement range | -1.8 +1.8g | |
Service Standard
| Items | Standard value |
| Brake pedal Full stroke | 135 mm (5.31 in) |
| Stop lamp switch clearance | 1.0 ~ 2.0 mm (0.04 ~ 0.08 in) |
| Brake pedal free play | 3 ~ 8 mm (0.12 ~ 0.31 in) |
| Front brake disc thickness | 28 mm (1.10in) |
| Front brake disc pad thickness | 11 mm (0.43 in) |
| Rear brake disc thickness | 10 mm (0.39 in) |
| Rear brake disc pad thickness | 10 mm (0.39 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 ~ 15.6 | 1.0 ~ 1.6 | 7.2 ~ 11.6 | |
| Brake booster mounting nuts | 12.7 ~ 15.6 | 1.3 ~ 1.6 | 9.4 ~ 11.6 | |
| 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 nut | 9.8 ~ 14.7 | 1.0 ~ 1.5 | 7.2 ~ 10.8 | |
| Brake pedal shaft nut | 29.4 ~ 34.3 | 3.0 ~ 3.5 | 21.7 ~ 25.3 | |
| Wheel speed sensor mounting bolt | 6.9 ~ 9.8 | 0.7 ~ 1.0 | 5.0 ~ 7.2 | |
| HECU bracket mounting bolt and nut | 19.6 ~ 29.4 | 2.0 ~ 3.0 | 14.5 ~ 21.7 | |
| Yaw rate&G sensor mounting bolts | 4.9 ~ 7.8 | 0.5 ~ 0.8 | 3.6 ~ 5.8 | |
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 | AI-11P | 0.8 ~ 2.0g |
| Rear Caliper guide rod and boot | AI-11P, KL-64Y | 0.8 ~ 2.0g |
Brake System
...
Special Service Tools
Special Service Tools
Tool(Number and Name)IllustrationUse09581-11000Piston expanderSpreading the front and rear disc brake piston.09580-0U000Brake piston adjusterRemoval and installtion of the ...
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