TUCSON(LM) >2012 > G 2.0 DOHC > Brake System > Brake System > Master Cylinder>Repair procedures  
Removal
1.
Turm ignition switch OFF and disconnect the negative (-) battery cable.
2.
Disconnect the battery positive terminal and them remove the battery.
3.
Disconnect the ECM connector and the ECM and battery tray.
4.
Disconnect the brake fluid level switch connector (A), and remove the reservoir cap.

5.
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.
6.
Disconnect the brake tube (A) from the master cylinder by loosening the tube flare nut.

Tightening torque:
18.6 ~ 22.6N.m (1.9 ~ 2.3kgf.m, 13.7 ~ 16.6lb-ft)

7.
Remove the master cylinder (B) from the brake booster after loosening the mounting nuts (A).

Tightening torque:
7.9 ~ 11.8N.m (0.8 ~ 1.2kgf.m, 5.8 ~ 8.7lb-ft)

Installation
1.
Installation is the reverse of removal.
2.
After installation, bleed the brake system. (Refer to Brake system bleeding)