Hyundai Elantra Owners and Service Manuals

Hyundai Elantra: Brake System / Specifications

Specifications
Item
Specification
Master cylinder
Cylinder I.D.
22.22 mm
Piston stroke
45 ± 1 mm (1.77 ± 0.039 in)
Fluid level switch
Provided
Brake booster
Type
10" Single
Boosting ratio
8.0 : 1
Front brake (15 inch disc)
Type
Ventilated disc
Disc O.D.
Ø 280 mm (11.02 in)
Disc thickness
25 mm (0.98 in)
Caliper piston
Single
Cylinder I.D.
Ø 57.1 mm (2.25 in)
Front brake (16 inch disc)
Type
Ventilated disc
Disc O.D.
Ø 305 mm (12.01 in)
Disc thickness
25 mm (0.98 in)
Caliper piston
Single
Cylinder I.D.
Ø 57.15 mm (2.25 in)
Rear brake (14 inch disc) / Hand lever parking brake
Type
Solid disc
Disc O.D.
Ø  262 mm (10.31in)
Disc thickness
10 mm (0.39 in)
Caliper piston
Single
Cylinder I.D.
Ø 33.93 mm (1.34 in)
Rear brake (15 inch disc) / Electric parking brake (EPB)
Type
Solid disc
Disc O.D.
Ø  284 mm (11.18in)
Disc thickness
10 mm (0.39 in)
Caliper piston
Single
Cylinder I.D.
Ø 34.00 mm (1.34 in)
Rear drum brake
Type
Leading trailing
Drum I.D
Ø 203.2 mm (8 in)
Brake lining thickness
4.2 mm (0.17 in)
Clearance adjustment
Automatic

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] / 370W [Plus]

Active Wheel speed sensor (ABS)
Supply voltage
Front : 1.25 - 20VDC

Rear : 4.5 - 20VDC
Output current low
Front : 7 ± 1.05 mA

Rear :11.2 - 16.8 mA
Output current high
Front : 14 ± 2.1 Ma

Rear : 11.2 ~ 16.8 mA
Output range
Front : 0.03 ~ 3,000 Hz

Rear : 0 ~ 2,500 Hz
Tone wheel
Front : 46 teeth, Rear : 46 teeth

Air gap
0.4 - 1.0 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 height
135 ± 3 mm (5.31 ± 0.12 in)
Brake pedal Full stroke
183 mm (7.20 in)
Stop lamp switch clearance
1 - 2 mm (0.04 in - 0.08 in)
Brake pedal free play
2 - 4 mm (0.08 in - 0.16 in)
Front brake disc pad thickness [15 inch]
10.5 mm (0.41 in)
Front brake disc pad service limit [15 inch]
2.0 mm (0.07 in)
Front brake disc pad thickness [16 inch]
11 mm (0.43 in)
Front brake disc pad service limit [16 inch]
2.0 mm (0.07 in)
Front disc thickness
25 mm (0.98 in)
Front disc service limit
23 mm (0.91 in)
Rear brake disc pad thickness
10 mm (0.39 in)
Rear brake disc pad service limit
2.0 mm (0.07 in)
Rear disc thickness
10 mm (0.39 in)
Rear disc service limit
8.4 mm (0.33)
Rear drum brake lining thickness
4.2 mm (0.17 in)
Rear drum brake lining service limit
1.0 mm (0.04 in)

Tightening Torques
Items
N.m
kgf.m
lb-ft
Master cylinder to brake booster
9.8 - 15.7
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, brake hose
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 mounting bolts
78.5 - 98.1
8.0 - 10.0
57.9 - 72.3
Rear caliper mounting bolts
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
7.8 - 11.8
0.8 - 1.2
5.8 - 8.7
ESC control unit bracket mounting nuts
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
Member side spring seating surface
Pedal arm side spring seating surface

    Troubleshooting

    TroubleshootingProblem Symptoms TableUse the table below to help you find the cause of the problem. The numbers indicate the priority of the like cause of the problem...

    Special service tools

    Special Service Tools Tool (Number and Name) Illustration Use 09581-11000Piston expanderSpreading the front disc brake piston...

    Other information:

    Hyundai Elantra (CN7) 2021-2024 Service Manual: Components and components location


    Components 1.Front door trim 2. Front door quadrant inner cover3. Front door belt inside weatherstrip4. Front door module5. Front door belt outside weatherstrip6. Front door window glass run7. Front door frame molding8. Front door body side weatherstrip9...

    Hyundai Elantra (CN7) 2021-2024 Service Manual: Drive Belt


    Repair procedures Removal and Installation* There are two methods to when removing the drive belt. [When removing the drive belt from the top of the vehicle] 1.Install the wrench to the drive belt tensioner repair hole (A) and turn it clockwise...

    Categories

    Side air bags

    Front seat

    Your vehicle is equipped with a side air bag in each front seat. The purpose of the air bag is to provide the vehicle’s driver and the front passenger with additional protection than that offered by the seat belt alone.

    read more

    Copyright © 2024 www.helantra7.com