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HOMESERVICE MANUALSHYUNDAI2014SANTA FE GLS, FWDREPAIR AND DIAGNOSISBRAKESMECHANICAL - HYDRAULICBRAKE SYSTEM - GENERAL INFORMATIONSPECIFICATIONS
2014 Hyundai Santa Fe GLS, FWD

Brake System - General Information: Specifications

2014 Hyundai Santa Fe GLS, FWDSECTION 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
  • Cylinder type
  • Cylinder I.D.
 Ventilated disc
320 mm (12.59 in)
28 mm (1.10 in)
Double 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)
NOTE: O.D.: Outer Diameter
I.D: Inner Diameter
PART SPECIFICATION (ESC)

Part Item Standard value Remark
HECU System 4 Channel 4 Sensor (Solenoid) Total control
(ABS, EBD, TCS, ESC)
Type Motor, valve relay integrated 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 SPECIFICATION

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 SPECIFICATION

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 ~ 3.4 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 SPECIFICATION

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
RENDER: 1.0x

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  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.