Hyundai Sonata: General Information / Specifications

Hyundai Sonata LF 2014-2019 Service Manual / Brake System / General Information / Specifications

Specifications
Item
Specification
Master cylinder
Type
Single
I.D. mm(in)
NON EPB 
?22.22mm
EPB
?23.81mm
Piston stroke mm(in)
45±1mm(1.77±0.039in)
Fluid level sensor
Provided
Brake booster
?
Type
11" Single
Boosting ratio
9:01
Front disc brake
Type
Ventilated disc
Disc O.D
GAMMA1.6 T-GDI
305mm (12.0078 in)
THETA2.4 GDI
THETA2.0 T-GDI
320mm(15.5984 in)
EPB
 Disc
thickness
GAMMA1.6 T-GDI
25mm (0.9842in)
THETA2.4 GDI
THETA2.0 T-GDI
28mm (1.1023 in)
EPB
Disc
Service Limit
GAMMA1.6 T-GDI
23.4mm (0.9212 in)
THETA2.4 GDI
THETA2.0 T-GDI
26.4mm (1.0393in)
EPB
Pad
 thickness
GAMMA1.6 T-GDI
11.5mm (0.4527 in)
THETA2.4 GDI
THETA2.0 T-GDI
10.5mm (0.4133 in)
EPB
Pad
Service limit
GAMMA1.6 T-GDI
2.0mm (0.0787 in)
THETA2.4 GDI
THETA2.0 T-GDI
EPB
Cylinder type
Single  piston
Rear disc brake
Type
Solid disc
Disc O.D
GAMMA1.6 T-GDI
284 mm (11.1811 in)
THETA2.4 GDI
THETA2.0 T-GDI
EPB
 Disc thickness
GAMMA1.6 T-GDI
10 mm (0.3937 in)
THETA2.4 GDI
THETA2.0 T-GDI
EPB
Disc Service Limit
GAMMA1.6 T-GDI
8.4 mm (0.3307 in)
THETA2.4 GDI
THETA2.0 T-GDI
EPB
Pad
 thickness
GAMMA1.6 T-GDI
10mm (0.3937 in)
THETA2.4 GDI
THETA2.0 T-GDI
EPB
Pad
Service limit
GAMMA1.6 T-GDI
2.0mm (0.0787 in)
THETA2.4 GDI
THETA2.0 T-GDI
EPB
Cylinder type
Single  piston
Parking brake
Type
DIH (Drum in hat)
Drum(Disc) I.D
O 168 mm (6.61 in)

   
O.D. : Outer Diameter
I.D : Inner Diameter
Specification(ESP)
Part
Item
Standard value
Remark
HECU
System
4 Channel 4 Sensor (Solenoid)
Total control
Type
Motor, valve relay intergrated type
(ABS, EBD, TCS, ESP)
Operating Voltage
10 ~ 16 V
?
Operating Temperature
-40 ~ 120 °C (-40 ~ 248°F)
?
Motor power
290 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
47 teeth
?
Air gap
Front
0.4 ~ 1.2 mm
?
Rear
0.4 ~ 1.0 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
?

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)

Tightening Torques
Items
N.m
kgf.m
lb-ft
Master cylinder to brake booster
9.8 ~ 15.6
1.0 ~ 1.6
7.2 ~ 11.6
Mater cylinder tube flare nuts
18.6 ~ 22.6
 1.9 ~ 2.3
13.7~16.6
Brake booster mounting nuts
9.8 ~ 14.7
1.0 ~ 1.5
7.2 ~ 10.8
Air bleeding screw
6.9 ~ 12.7
0.7 ~ 1.3
5.1 ~ 9.4
Brake tube flare nuts
13.7 ~ 16.7
1.4 ~ 1.7
10.1 ~ 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
78.5 ~ 98.1
8.0 ~ 10.0
57.9 ~ 72.3
Brake hose to caliper
24.5 ~ 29.4
2.5 ~ 3.0
18.1 ~ 21.7
Brake pedal member bracket bolts
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
Front wheel speed sensor mounting bolt
7.8 ~ 9.8
0.8 ~ 1.0
5.8 ~ 7.2 
HECU bracket mounting bolt and nut
19.6 ~ 29.4
2.0 ~ 3.0
14.5 ~ 21.7
HECU brake tube flare nuts
18.6 ~ 22.6
 1.9 ~ 2.3
13.7~16.6

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

General Information
...

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