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


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