Kia Niro: Brake System / Specifications

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

Brake bleeding prcoedures
AHB Brake System Bleeding procedure    • Do not reuse the drained fluid. ...

Special service tools
Special Service Tools Tool(Number and Name) Illustration Use 09581- 2T100 Piston expander Used f ...

Other information:

Kia Niro 2017 (DE HEV) Service Manual: Special service tools
Special Service Tools Tool Name / Number Illustration Description Digital Level [SCC Setting JIG] OK964 - 3T000 Smart Cruise Contral (SCC) Unit radar sensor alignment ...

Kia Niro 2017 (DE HEV) Service Manual: Hybrid Starter Generator(HSG) Components and components location
Components 1. Hybrid starter generator (HSG) 2. HSG bracket ...

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