Kia Sorento: Brake Line Repair procedures

Kia Sorento (MQ4, 2021-2026) Service Manual / Brake System / Brake System / Brake Line Repair procedures

Removal

Be careful not to damage the parts located under the vehicle (floor under cover, fuel filter, fuel tank and canister) when raising the vehicle using the lift.

Brake Tube [Engine Room]

1.	Disconnect the brake fiuid level switch connector, and remove the reservoir cap.

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.

Remove the brake tube after removing the flare nuts from the ESC, master cylinder and brake tube connector.

Tightenning torque

ESC

18.6 - 22.6 N·m (1.9 - 2.3 kgf·m, 13.7 - 16.6 lb·ft)

Master cylinder

18.6 - 22.6 N·m (1.9 - 2.3 kgf·m, 13.7 - 16.6 lb·ft)

Brake tube connector

13.7 - 16.7 N·m (1.4 - 1.7 kgf·m, 10.1 - 12.3 lb·ft)

Brake Hose

Disconnect the brake fluid level sensor connector (A).

Brake System — Brake System / Brake Line / Repair procedures / Removal illustration

Check that the brake reservoir tank oil level sensor connector is properly installed.

(Brake warning light turns on when not connected.)

Remove the brake fluid from the master cylinder reservoir 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 wheel and tire. (Refer to Tires/Wheels - "Wheel")

Remove the tube flare nut (B) and remove the hose clip (A) to separate the tube.

Tightening torque :

13.7 - 16.7 N·m (1.4 - 1.7 kgf·m, 10.1 - 12.3 lb·ft)

[Front]

Brake System — Brake System / Brake Line / Repair procedures / Removal illustration

[Rear]

Brake System — Brake System / Brake Line / Repair procedures / Removal illustration

Remove the mounting bolt (A) and then remove the brake hose bracket (B) from the strut assembly.

Tightening torque :

12.7 - 16.7 N·m (1.3 - 1.7 kgf·m, 9.4 - 12.3 lb·ft)

Brake System — Brake System / Brake Line / Repair procedures / Removal illustration

Remove the hose after removing 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)

[Front]

Brake System — Brake System / Brake Line / Repair procedures / Removal illustration

[Rear]

Brake System — Brake System / Brake Line / Repair procedures / Removal illustration

Inspection

1.	Check the brake tubes for cracks, crimps and corrosion.

2.	Check the brake tube flare nuts for damage and fluid leakage.

Installation

Install in the reverse order of removal.

Use a new washer (A) whenever installing.

[Front]

Brake System — Brake System / Brake Line / Repair procedures / Installation illustration

[Rear]

Brake System — Brake System / Brake Line / Repair procedures / Installation illustration

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

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Kia Sorento: Brake Line Repair procedures

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