Kia Cadenza YG: Brake System / Specifications

Kia Cadenza YG 2016-2021 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

    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 rear disc brake piston.

    Other information:

    Kia Cadenza YG 2016-2021 Service Manual: Compressor Repair procedures

    Removal 1. If the compressor is marginally operable, run the engine at idle speed, and let the air conditioning work for a few minutes, then shut the engine off. 2. Disconnect the negative cable from the battery. 3. Recover the refrigerant with a recovery/charging station.

    Kia Cadenza YG 2016-2021 Service Manual: A/C Pressure Transducer Repair procedures

    Inspection 1. Measure the pressure of high pressure line by measuring voltage output between NO.1 and NO.2 terminals. 2. Inspect the voltage value whether it is sufficient to be regular value or not. Voltage = 0.00878835 * Pressure + 0.37081095 [PSIA] 3.

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