
• 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.(Refer to General Information - "Lift and Support Points")
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 torqueESC : 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)
1.Disconnect the brake fluid level sensor connector (A).

2.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.
3.Remove the wheel & tire.(Refer to Suspension System - "Wheel")
4.Remove the tube flare nut (A) and brake hose bracket bolt (B).
Tightenning torque(A) : 13.7 - 16.7 N.m (1.4 - 1.7 kgf.m, 10.1 - 12.3 lb-ft)(B) : 19.6 - 29.4 N.m (2.0 - 3.0 kgf.m, 14.5 - 21.7 lb-ft)


5.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)


1.Check the brake tubes for cracks, crimps and corrosion.
2.Check the brake tube flare nuts for damage and fluid leakage.
1.Installation is the reverse of removal.
• Use a new washer (A) whenever installing.


2.After installation, bleed the brake system.(Refer to Brake System - "Brake Bleeding Procedures")
Master Cylinder
Brake oilHyundai Tucson (NX4) 2022-2025 Owner's Manual: Infotainment System
NOTICE
If you install an aftermarket HID
headlight, your vehicle’s audio and
electronic devices may not function
properly.
USB Port
You can use an USB cable to connect
audio devices to the vehicle USB port.
Information
When using a portable audio device
connected to the power outl ...
Hyundai Tucson (NX4) 2022-2025 Owner's Manual: System Maintenance
Air Conditioning Performance and
Maintenance at Your HYUNDAI
Dealer
If the amount of refrigerant is too low
or too high, the performance of the air
conditioning is reduced. Have the system
be inspected by an authorized HYUNDAI
dealer.
NOTICE
The refrigerant system should only
be ...