Specifications |
Item |
Specification |
|
Front disc brake |
Type |
Ventilated disc |
Disc O.D. |
O 280 mm (12.02 in) |
|
Disc thickness |
22 mm (0.86 in) |
|
Caliper piston |
Single |
|
Cylinder I.D. |
O 57.2 mm (2.25 in) |
|
Rear disc brake |
Type |
Solid disc |
Disc O.D. |
O 262 mm (10.31 in) |
|
Disc thickness |
10 mm (0.39 in) |
|
Caliper piston |
Single |
|
Cylinder I.D. |
O 33.96 mm (1.33 in) |
|
Parking brake |
Type |
BIR (Ball-in-Ramp) |
Actuation |
Lever |
O.D.: Outer Diameter I.D: Inner Diameter |
Specification (ESC)
Part |
Item |
Standard value |
Remark |
Integrated Brake Actuation Unit(IBAU) |
System |
4 Channel 4 Sensor (Solenoid) |
Total control (ABS, EBD, TCS, ESC) |
Type |
Valve relay integrated type |
||
Operating Voltage |
10 - 15 V |
||
Operating Temperature |
-40 - 120 °C (-40 - 248°F) |
||
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 - 1.0 mm |
? |
|
Pressure Source Unit (PSU) |
System |
3 piston pump/ high pressure accumulator system |
? |
Operating Voltage |
10 - 15 V |
? |
|
Operating Temperature |
-40 - 120 °C (-40 - 248°F) |
? |
Service Standard
Items |
Standard value |
Brake pedal Full stroke |
136.0 mm (5.35 in) |
Brake pedal height |
177.2 mm (6.97 in.) |
Stop lamp switch clearance |
1.0 - 2.0 mm (0.04 - 0.08 in) |
Brake pedal free play |
2.0 - 4.0 mm (0.07 - 0.15 in) |
Front brake disc thickness |
22.0 mm (0.8661 in) |
Front brake disc service limit |
20.0 mm (0.7874 in) |
Front brake disc pad thickness |
17.0 mm (0.6693 in) |
Front brake disc service limit |
9.0 mm (0.3543 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 |
15.0 mm (0.5906 in) |
Rear brake disc service limit |
8.0 mm (0.31 in) |
Tightening Torques
Items |
N·m |
kgf·m |
lb·ft |
|
Air bleeding screw |
6.9 - 12.7 |
0.7 - 1.3 |
5.1 - 9.4 |
|
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 |
98.1 - 117.7 |
10.0 -12.0 |
72.3 - 86.8 |
|
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 |
|
Brake pedal mounting nut |
16.7 - 25.5 |
1.7 - 2.6 |
12.3 - 18.8 |
|
Front wheel speed sensor bolt |
7.8 - 11.8 |
0.8 - 1.2 |
5.8 - 8.7 |
|
IBAU bracket mounting bolts |
10.8 - 12.7 |
1.1 - 1.3 |
8.0 - 9.4 |
|
IBAU Brake Tube Flare nuts |
12.7 - 16.7 |
1.3 - 1.7 |
9.4 - 12.3 |
|
PSU Bracket mounting bolts |
19.6 - 29.4 |
2.0 - 3.0 |
14.5 - 21.7 |
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 |
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Kia Niro 2017 (DE HEV) Service Manual: General safety information and caution
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