Hyundai Elantra Owners and Service Manuals

Hyundai Elantra: Brake System / Brake Line

Hyundai Elantra (CN7) 2021-2025 Service Manual / Brake System / Brake System / Brake Line

Components and components location
Components

Repair procedures
Removal
Brake Tube [Engine Room]
1.
Disconnect the brake fiuid level switch connector, and remove the reservoir cap.
2.
Remove the brake fluid from the master cylinder reservior with a syringe.
   
•
Do not spill brake fluid on the vehicle, it may damage the paint; if brake fluid does contact the paint, wash it off immediately with water.
•
Make sure no dirt or other foreign matter is allowed to contaminate the brake fluid.
3.
Remove the brake tube after loosening the flare nuts from the ESC, master cylinder and brake tube connector.
Tightenning torque
ESC :
16.7 - 25.5 N.m (1.7 - 2.6 kgf.m, 12.3 - 18.8 lb-ft)
Master cylinder :
12.7 - 16.7 N.m (1.3 - 1.7 kgf.m, 9.4 - 12.3 lb-ft)
Brake tube connector :
18.6 - 22.6 N.m (1.9 - 2.3 kgf.m, 13.7 - 16.6 lb-ft)
Brake Hose [Front]
1.
Disconnect the brake fluid level sensor connector (A).

2.
Remove the brake fluid from the master cylinder reservior with a syringe.
   
•
Do not spill brake fluid on the vehicle, it may damage the paint; if brake fluid does contact the paint, wash it off immediately with water.
3.
Loosen the wheel nuts slightly.
Raise the vehicle, and make sure it is securely supported.
4.
Remove the front wheel and tire (A) from the front hub.
Tightenning torque :
107.9 - 127.5 N.m (11.0 - 13.0 kgf.m, 79.6 - 94.0 lb-ft)
   
•
Be careful not to damage the hub bolts when removing the front wheel and tire (A).

5.
Remove the brake hose clip (A).
6.
Disconnect the tube after loosening the tube flare nut (B).
Tightening torque :
12.7 - 16.7 N.m (1.3 - 1.7 kgf.m, 9.4 - 12.3 lb-ft)

7.
Remove the brake hose bracket mounting bolt (A).
Tightening torque :
8.8 - 13.7 N.m (0.9 - 1.4 kgf.m, 6.5 - 10.1 lb-ft)

8.
Remove the hose after loosening the brake hose bolt (A) from the caliper.
Tightening torque :
24.5 - 29.4 N.m (2.5 - 3.0 kgf.m, 18.1 - 21.7 lb-ft)

Brake Hose [Rear]
1.
Disconnect the brake fluid level sensor connector (A).

2.
Remove the brake fluid from the master cylinder reservior with a syringe.
   
•
Do not spill brake fluid on the vehicle, it may damage the paint; if brake fluid does contact the paint, wash it off immediately with water.
3.
Loosen the wheel nuts slightly.
Raise the vehicle, and make sure it is securely supported.
4.
Remove the front wheel and tire (A) from the front hub.
Tightening torque :
107.9 - 127.5 N.m (11.0 - 13.0 kgf.m, 79.6 - 94.0 lb-ft)
   
•
Be careful not to damage the hub bolts when removing the front wheel and tire (A).

5.
Remove the brake hose clip (A).
6.
Disconnect the tube after loosening the tube flare nut (B).
Tightening torque :
12.7 - 16.7 N.m (1.3 - 1.7 kgf.m, 9.4 - 12.3 lb-ft)

7.
Remove the hose after loosening the brake hose bolt (A) from the caliper.
Tightening torque :
24.5 - 29.4 N.m (2.5 - 3.0 kgf.m, 18.1 - 21.7 lb-ft)
[Rear torsion beam parking cable type]

[Rear torsion beam EPB type]

[Rear multi link parking cable type]

[Rear multi link EPB type]

Drum brake hose [Rear]
1.
Disconnect the brake fluid level sensor connector (A).

2.
Remove the brake fluid from the master cylinder reservoir with a syringe.
   
•
Be careful not to let the brake fluid come into contact with your vehicle or body. If contacted, wipe immediately.
3.
Loosen the wheel nuts slightly.
Raise the vehicle, and make sure it is securely supported.
4.
Remove the rear wheel and tire (A) from the rear hub.
Tightening torque :
107.9 - 127.5 N.m (11.0 - 13.0 kgf.m, 79.6 - 94.0 lb-ft)
   
•
Be careful not to damage the hub bolts when removing the rear wheel and tire (A).

5.
Loosen the tube flare nut (A).
6.
Loosen the brake hose bracket bolt (B).
Tightening torque
(A) : 12.7 - 16.7 N.m (1.3 - 1.7 kgf.m, 9.4 - 12.3 lb-ft)
(B) : 8.8 - 13.7 N.m (0.9 - 1.4 kgf.m, 6.5 - 10.1 lb-ft)

7.
Loosen the brake hose bracket bolt (A).
Tightening torque :
13.7 - 16.7 N.m (1.4 - 1.7 kgf.m, 10.1 - 12.3 lb-ft)

8.
Remove the brake hose after loosening the hose flare nut (A).
Tightening torque :
12.7 - 16.7 N.m (1.3 - 1.7 kgf.m, 9.4 - 12.3 lb-ft)

Inspection
1.
Check the brake tubes for cracks, crimps and corrosion.
2.
Check the brake tube flare nuts for damage and fluid leakage.
Installation
1.
To install, reverse the removal procedures.
   
•
Use a new washer (A) whenever installing.
[Front]

[Rear torsion beam parking cable type]

[Rear torsion beam EPB type]

[Rear multi link parking cable type]

[Rear multi link EPB type]

2.
After installation, bleed the brake system.
(Refer to Brake System - "Brake Bleeding Prcoedures")

    Master Cylinder

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