Hyundai Santa Fe (DM): Specifications - General Information - Brake SystemHyundai Santa Fe (DM): Specifications

Specifications

Item
Specification
Master cylinder
Type
I.D. mm(in)
Piston stroke mm(in)
Fluid level switch
 
Fixed type
22.22 mm (0.875 in)
45 ± 1 mm (1.77 ± 0.039 in)
Provided
Brake booster
Type
Boosting ratio
 
10.5" Single
9:1
Front brake (Disc)
Type
Disc O.D
Disc thickness
Pad thickness
Cylinder type
Cylinder I.D.

Ventilated disc
320 mm (12.59 in)
28 mm (1.10 in)
11 mm (0.43 in)
single piston
Ø 63.5 mm (2.5 in)
Rear brake (Disc)
Type
Disc O.D
Disc thickness
Cylinder type
Cylinder I.D

Solid disc
302 mm (11.89 in)
11 mm (0.43 in)
single piston
Ø 43 mm (1.69 in)
Parking brake
Type
Drum(Disc) I.D
 
DIH (Drum in hat)
Ø 190 mm (7.48 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 ~ 15 V
Operating Temperature
-40 ~ 110 °C (-40 ~ 230°F)
Motor power
270W
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
52 teeth
 
Air gap
0.4 ~ 1.5 mm
 

Service Standard
Items
Standard value
Brake pedal Full stroke
117.1 mm (4.61 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 (1.10 in)
Front brake disc pad thickness
11 mm (0.43 in)
Rear brake disc thickness
11 mm (0.43 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
12.7 ~ 16.7
1.3 ~ 1.7
9.4 ~ 12.3
Brake booster mounting nuts
16.7 ~ 25.5
1.7 ~ 2.6
12.3 ~ 18.8
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 nuts
8.8 ~ 13.7
0.9 ~ 1.4
6.5 ~ 10.1
Brake pedal shaft nut
24.5 ~ 34.3
2.5 ~ 3.5
18.1 ~ 25.3
Wheel speed sensor mounting bolt
6.9 ~ 10.8
0.7 ~ 1.1
5.1 ~ 7.6
HECU bracket mounting bolt and nut
16.7 ~ 25.5
1.7 ~ 2.6
12.3 ~ 18.8

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
0.6 ~ 1.1g
Rear Caliper guide rod and boot
AI-11P
0.5 ~ 1.0g


Special Service Tools
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