Hyundai Sonata: Brake System / Master Cylinder Repair procedures

Removal
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the air cleaner assembly (A).

3.
Disconnect the brake fluid level switch 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.
5.
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)

6.
Remove the master cylinder (B) from the brake booster after loosening the mounting nuts (A).

Tightening torque:
9.8 ~ 15.6N.m (1.0 ~ 1.6kgf.m, 7.2 ~ 11.6lb-ft)

7.
Loosen the screw and then remove the reservior.
Installation
1.
Installation is the reverse of removal.
2.
After installation, bleed the brake system.
(Refer to Brake System Bleeding - "Brake Sysem Bleeding")
(Refer to ESP (Electronic Stability Program System) - "ESP System Bleeding")
Master Cylinder Components and Components Location
Components 1. Reservoir cap2. Reservoir3. Pin4. Master cylinder ...

Brake Line Components and Components Location
Components ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Steering Column and Shaft Components and Components Location
Components [C-MDPS] 1. Steering wheel2. Steering column3. ECU4. Motor5. Steering gear box [R-MDPS] 1. Steering wheel2. Steering column3. Steering gear box ...

Hyundai Sonata LF 2014-2019 Owners Manual: Brake Fluid
Checking the Brake Fluid Level Check the fluid level in the reservoir periodically. The fluid level should be between MAX and MIN marks on the side of the reservoir. Before removing the reservoir cap and adding brake fluid, clean the area around the reservoir cap thoroughly to prevent brake fluid ...

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