Repair procedures: Removal

Turn ignition switch OFF and disconnect the negative (-) battery cable.
Remove the air duct (B) and air cleaner assembly (A).

Fig 1: Locating Air Duct And Air Cleaner Assembly
Courtesy of KIA MOTORS AMERICA, INC.
Disconnect a connector and loosen the wiring harness mounting nuts. Then pivot the wiring harness (A) side out of the way.

Fig 2: Locating Wiring Harness
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Disconnect the brake fluid level switch connector (A), and remove the reservoir cap.

Fig 3: Locating Brake Fluid Level Switch Connector
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Remove the brake fluid from the master cylinder reservoir with a syringe.
CAUTION:
- Do not spill brake fluid on the vehicle, it may damage the paint; if brake fluid does contact the paint, wash if off immediately with water.
Remove the brake tube (A).
Tightening torque:

ABS: 12.7 ~ 16.7 N.m (1.3 ~ 1.7 kgf.m, 9.4 ~ 12.3 lb-ft)

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

Fig 4: Locating Brake Tube
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Remove the master cylinder (B) from the brake booster after loosening the mounting nuts (A).
Tightening torque:

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

Fig 5: Locating Master Cylinder And Mounting Nuts
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Disconnect the vacuum hose (A) from the brake booster.

Fig 6: Locating Vacuum Hose Of Brake Booster
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Remove the snap pin (B) and clevis pin (A).

Fig 7: Locating Snap Pin And Clevis Pin
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Remove the mounting nuts.
Tightening torque:

12.7 ~ 15.7 N.m (1.3 ~ 1.6 kgf.m, 9.4 ~ 11.6 lb-ft)

Fig 8: Brake Pedal Member Assembly Mounting Nuts
Courtesy of KIA MOTORS AMERICA, INC.
Disconnect the brake tubes from the HECU by unlocking the nuts (B) counterclockwise with a spanner.
Tightening torque:

12.7 ~ 16.7 N.m (1.3 ~ 1.7 kgf.m, 9.4 ~ 12.3 lb-ft)

Fig 9: Locating Brake Tubes Nuts
Courtesy of KIA MOTORS AMERICA, INC.
Remove the brake booster.