Repair Procedures: Removal

Turn the ignition switch OFF.
Remove the air duct (B) and air cleaner assembly (A).

Fig 1: Air Duct & Air Cleaner Assembly
Courtesy of KIA MOTORS AMERICA, INC.
Remove the ECM connector (B) and the arrange the wiring harness (A).

Fig 2: ECM Connector & Wiring Harness
Courtesy of KIA MOTORS AMERICA, INC.
Pull up the lock of the HECU connector (A), then disconnect the connector.

Fig 3: HECU Connector Lock
Courtesy of KIA MOTORS AMERICA, INC.
Remove the brake fluid from the master cylinder reservoir with a syringe.
CAUTION:
- Be sure to completely remove foreign substances from around brake fluid reservoir and cap before opening the reservoir cap. If not, it may cause contamination of brake fluid and deterioration in braking performance.
- 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.
Disconnect the brake tubes from the HECU by unlocking the nuts counterclockwise with a spanner.
Tightening torque:

M10: 11.7 ~ 15.7 N.m (1.2 ~ 1.6 kgf.m, 8.7 ~ 11.6 lb-ft)

M12: 18.6 ~ 22.6 N.m (1.9 ~ 2.3 kgf.m, 13.7 ~ 16.6 lb-ft)

Fig 4: Brake Tubes
Courtesy of KIA MOTORS AMERICA, INC.
Loosen the HECU bracket bolts (A), then remove HECU and bracket.
Tightening torque:

19.6 ~ 29.4 N.m (2.0 ~ 3.0 kgf.m, 14.5 ~ 21.7 lb-ft)

Fig 5: HECU Bracket & Bolts
Courtesy of KIA MOTORS AMERICA, INC.
CAUTION:
1. Never attempt to disassemble the HECU.
2. Never shock the HECU.
Remove the 2 nuts (B), then remove the bracket from HECU.
Tightening torque:

10.8 ~ 13.7 N.m (1.1 ~ 1.4 kgf.m, 8.0 ~ 10.1 lb-ft)