1. Reservoir cap
2. Reservoir
3. Brake booster
4. Master cylinder
5. Push rod
1.Turm ignition switch OFF and disconnect the negative (-) battery cable.
2.Remove the battery.(Refer to Engine Electrical System - "Battery")
3.Disconnect the brake fluid level sensor connector (A).
4.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.
5.Separate the brake tube (A) from the master cylinder after loosening the tube flare nut.
Tightening torque :18.6 - 22.6 N.m (1.9 - 2.3 kgf.m, 13.7 - 16.6 lb-ft)
• Be careful of tap damage and nicks when removing the brake tube.
• Since oil leakage may occur during installation, assemble the flare nut accurately, paying attention to the location of the brake tube.
6.Remove the master cylinder (A) after loosening the master cylinder nuts.
Tightening torque :9.8 - 15.7 N.m (1.0 - 1.6 kgf.m, 7.2 - 11.6 lb-ft)
7.Separate the reservoir from the master cylinder after removing the screw (A).
1.Installation is the reverse of removal.
• Before installing the pin, apply the grease to the joint pin.
• Use a new snap pin whenever installing.
2.After installation, bleed the brake system.(Refer to Brake System - "Brake Bleeding Procedures")
3.Check the brake oil leakage and pedal operating condition.
Hyundai Tucson (NX4) 2022-2025 Service Manual: General Information
- General Troubleshooting Information
Before Troubleshooting
1.Check applicable fuses in the appropriate fuse/relay box.
2.Using the battery checker (MCR-570 KIT), check the battery for
damage, state of charge, and clean and tight connections.(Refer to
Engine Electrical System - "Battery") ...
Hyundai Tucson (NX4) 2022-2025 Service Manual: Reservoir Tank
- Removal and Installation
1.Remove the reservoir tank.(1)Disconnect the water hose (A).
(2)Disconnect the degassing hose (B).
(3)Remove the reservoir tank (C).Tightening torque :7.8 - 11.7 N.m (0.8 - 1.2 kgf.m, 5.7 - 8.6 Ib-ft)
2.Install in the reverse order of removal. ...