Item | Specification | |
Master cylinder | Type | Fixed |
Cylinder I.D. | 20.64 mm (0.813 in) | |
Piston stroke | 36±1 mm (1.42±0.039 in) | |
Fluid level switch | Provided | |
Brake booster | Type | 9" Single |
Boosting ratio | 7 : 1 | |
Front Disc brake | Type | Ventilated disc |
Disc O.D. | 256 mm (10.08 in) | |
Disc thickness | 22 mm (0.87 in) | |
Caliper piston | Single | |
Cylinder I.D. | Ø 54mm(2.13 in) | |
Rear Disc brake | Type | Solid disc |
Disc O.D. | 262 mm (10.31 in) | |
Disc thickness | 10 mm (0.39 in) | |
Caliper piston | Single | |
Cylinder I.D. | Ø 34 mm(1.34 in) | |
Rear brake (Drum) | Type | Leading trailing |
Drum I.D | 203.2 mm (8 in) | |
Brake lining thickness | 4.5 mm (0.18 in) | |
Clearance adjustment | Automatic | |
Parking brake(Disc) | Type | BIR (Ball-in-Ramp) |
actuation | Lever | |
O.D.: Outer Diameter
I.D: Inner Diameter
Part | Item | Standard value | Remark |
HECU | System | 4 Channel 4 Sensor (Solenoid) |
|
Type | Motor, valve relay integrated type | ||
Operating Voltage | 10 ~ 16 V | ||
Operating Temperature | -40 ~ 120 °C (-40 ~ 248℉) | ||
Motor power | 270 W | ||
Active Wheel speed sensor (ABS) | Supply voltage | DC 4.5 ~ 20 V |
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Output current low | 5.9 ~ 8.4 mA |
| |
Output current high | 11.8 ~ 16.8 mA |
| |
Output range | 1 ~ 2500 Hz |
| |
Tone wheel | 48 teeth |
| |
Air gap | 0.4 ~ 1.0 mm |
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Part | Item | Standard value | Remark |
HECU | System | 4 Channel 4 Sensor (Solenoid) | Total control |
Type | Motor, valve relay integrated type | (ABS, EBD, TCS, ESP) | |
Operating Voltage | 10 ~ 16 V |
| |
Operating Temperature | -40 ~ 120 °C (-40 ~ 248℉) |
| |
Motor power | 270 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 | 48 teeth |
| |
Air gap | 0.4 ~ 1.0 mm |
| |
Yaw rate＆ Lateral G sensor (CAN TYPE)
| Operating Voltage | 10 ~ 16 V |
|
Current Consumption | Max. 140 mA |
| |
Yaw rate sensor measurement range | -75 ~ +75 °/sec |
| |
Lateral G sensor measurement range | -14.715 ~ 14.715 m/s² |
|
Items | Standard value |
Brake pedal height | 173 mm (6.81 in) |
Brake pedal Full stroke | 108 mm (4.25 in) |
Stop lamp clearance | 1.5 ~ 2.0 mm (0.06 ~ 0.08 in) |
Brake pedal free play | 3 ~ 8 mm (0.12 ~ 0.31 in) |
Front brake disc thickness | 22 mm (0.87 in) |
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) |
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 | 12.7 ~ 16.7 | 1.3 ~ 1.7 | 9.4 ~ 12.3 |
Brake booster mounting nuts | 12.7 ~ 15.7 | 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 | 49.0 ~ 58.8 | 5.0 ~ 6.0 | 36.2 ~ 43.4 |
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 |
Brake pedal shaft nut | 24.5 ~ 34.3 | 2.5 ~ 3.5 | 18.0 ~ 25.3 |
Stop lamp switch lock nut | 11.8 ~ 14.7 | 1.2 ~ 1.5 | 8.7 ~ 10.8 |
Wheel speed sensor mounting bolt | 6.9 ~ 10.8 | 0.7 ~ 1.1 | 5.0 ~ 8.0 |
HECU bracket mounting bolt 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 |
Front caliper guide rod and boot | AI-11P | 1.2 ~ 1.7 g, 1.0 ~ 1.5 g |
Rear caliper guide rod and boot | AI-11P | 0.8 ~ 1.3 g |
Use the table below to help you find the cause of theproblem. The numbers indicate the priority of the likecause of the problem. Check each part in order.
If necessary, replace these parts.
Symptom | Suspect Area | Reference |
Lower pedal or spongy pedal | 1. Brake system (Fluid leaks) 2. Brake system (Air in) 3. Piston seals (Worn or damaged) 4. Rear brake shoe clearance(Out of adjustment) 5. Master cylinder (Inoperative) | repair Air bleeding replace adjust replace |
Brake drag | 1. Brake pedal free play (Minimum) 2. Parking brake lever travel (Out of adjustment) 3. Parking brake wire (Sticking) 4. Rear brake shoe clearance(Out of adjustment) 5. Pad or lining (Cracked or distorted) 6. Piston (Stuck) 7. Piston (Frozen) 8. Anchor or Return spring (Inoperative) 9. Booster system (Vacuum leaks) 10. Master cylinder (Inoperative) | adjust adjust repair adjust replace replace replace replace repair replace |
Brake pull | 1. Piston (Sticking) 2. Pad or lining (Oily) 3. Piston (Frozen) 4. Disc (Scored) 5. Pad or lining (Cracked or distorted) | replace replace replace replace replace |
Hard pedal but brake inefficient | 1. Brake system (Fluid leaks) 2. Brake system (Air in) 3. Pad or lining (Worn) 4. Pad or lining (Cracked or distorted) 5. Rear brake shoe clearance(Out of adjustment) 6. Pad or lining (Oily) 7. Pad or lining (Glazed) 8. Disc (Scored) 9. Booster system (Vacuum leaks) | repair Air bleeding replace replace adjust replace replace replace repair |
Noise from brake | 1. Pad or lining (Cracked or distorted) 2. Installation bolt (Loosen) 3. Disc (Scored) 4. Sliding pin (Worn) 5. Pad or lining (Dirty) 6. Pad or lining (Glazed) 7. Anchor or Return spring (Faulty) 8. Brake pad shim (Damage) 9. Shoe hold-down spring (Damage) | replace adjust replace replace clean replace replace replace replace |
Brake fades | 1. master cylinder | replace |
Brake vibration, pulsation | 1. brake booster 2. pedal free play 3. master cylinder 4. caliper 5. master cylinder cap seal 6. damaged brake lines | replace adjust replace replace replace replace |
Brake chatter | Brake chatter is usually caused by loose or worn components, or glazed or burnt linings. Rotors with hard spots can also contribute to brake chatter. Additional causes of chatter are out-of-tolerance rotors, brake lining not securely attached to the shoes, loose wheel bearings and contaminated brake lining. |
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