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Hyundai Elantra N Brake System Specs and Torque Database

- Specifications
Item Specification
Master cylinder Cylinder I.D. 23.81 mm (0.93 in)
Piston stroke 45 ± 1 mm (1.77 ± 0.039 in)
Fluid level switch Provided
Brake booster Type 11" Single
Boosting ratio 8.0 : 1
Front brake (18 inch disc) Type Ventilated disc
Disc O.D. Ø 360 mm (14.17 in)
Disc thickness 30 mm (1.18 in)
Caliper piston Single
Cylinder I.D. Ø 60.6 mm (2.38 in)
Rear brake (17 inch disc) / Hand lever parking brake Type Ventilated disc
Disc O.D. Ø  314 mm (12.36in)
Disc thickness 20 mm (0.78 in)
Caliper piston Single
Cylinder I.D. Ø 38.15 mm (1.50 in)

Specification (VDC)
Part Item Standard value Remark
HECU System 4 Channel 4 Sensor control system Total control (ABS, TCS, EBD, VDC)
Type Motor, valve relay intergrated type ECU, TCU and CAN
Operating Voltage 8V - 16V
Operating Temperature -40°C - 110°C
Motor power 310W [Normal]
Active Wheel speed sensor (ABS) Supply voltage Front : 4.25 - 20V DC
Rear : 4.5 - 20V DC
Output current low Front : 7 ± 1.05 mA
Rear : 7 ± 1.4/-1.1 mA
Output current high Front : 14 ± 2.1 mA
Rear : 14 ± 2.8/-2.2 mA
Output range Front : 0.03 ~ 3,000 Hz
Rear : 1 ~ 2,500 Hz
Tone wheel Front : 46 teeth, Rear : 47 teeth
Air gap 0.4 - 1.5 mm
(Normal air gap : 0.7 mm)
Steering Wheel Angle Sensor Operating Voltage 8V - 16V
Current Consumption Max. 150 mA
Output measurement range -780 to + 779.9°
Operating Angular velocity 0 - 1016°/sec

- Service Standard
Items Standard value
Brake pedal Full stroke 135 ± 3 mm (5.31 ± 0.11 in)
Brake pedal height 183 mm (7.20 in)
Stop lamp switch clearance 1.0 - 2.0 mm (0.04 - 0.08 in)
Brake pedal free play 2 - 4 mm (0.08 in - 0.16 in)
Front brake disc pad thickness 13 mm (0.51 in)
Front brake disc pad service limit 2.0 mm (0.08 in)
Front brake disc thickness 30 mm (1.18 in)
Front brake disc service limit 28 mm(1.10 in)
Rear brake disc pad thickness 11 mm (0.43 in)
Rear brake disc pad service limit 3.0 mm (0.11 in)
Rear brake disc thickness 20 mm (0.79 in)
Rear brake disc service limit 18.0 mm (0.71 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
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 98.1 - 117.7 10.0 - 12.0 72.3 - 86.8
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 16.7 - 25.5 1.7 - 2.6 12.3 - 18.8
Wheel speed sensor mounting bolt 7.84 - 11.7 0.8 - 1.2 5.78 - 8.67
ESC control unit bracket mounting nut 16.7 - 25.5 1.7 - 2.6 12.3 - 18.8

- Lubricants
Items Recommended Quantity
Brake fluid DOT 4 As required
Brake pedal hinge contacts PDLV-1 (MS511-65) 0.2 - 0.7g
Clevis hole inside 0.1 - 0.5g

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Product: Ark Test Pipes

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Product: EBC Brakesm

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Posted By: Lauren Bryant
Product: Spec D Tail lights

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Posted By: Kevin F.
Product: Spec D Tail Lights