Brake System
Master Cylinder Repair Procedures
In this manual: Brake System
9steps
~54min
2/5difficulty
Done 0 of 9
Removal
- Turn the ignition switch OFF and disconnect the negative (-) battery cable.
- Disconnect the positive (+) battery terminal and remove the battery.
- Disconnect the ECM connector and remove the ECM and battery tray.
- Disconnect the brake fluid level switch connector (A) and remove the reservoir cap. [LHD]
[Right-hand drive]

- Remove the brake fluid from the master cylinder reservoir using a syringe.
Do not spill brake fluid on the vehicle, as it may damage the paint. If brake fluid gets on the paint, wash it off immediately with water.
- Disconnect the brake tube (A) from the master cylinder by loosening the tube flare nut. Tightening torque: ABS: 12.7 ~ 16.7 N·m ESP: 16.7 ~ 23 N·m [LHD]
[Right-hand drive]

- Remove the master cylinder (B) from the brake booster after first loosening the mounting nuts (A).
Tightening torque: 9.8 ~ 15.7 N·m
[LHD] [RHD]

Installation
- Installation is the reverse of removal.
- After installation, bleed the brake system. (Refer to Brake System Bleeding)
Test yourself
A quick Hyundai Tucson LM quiz: every answer comes with an explanation and a link to the manual page.
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