Repair procedures: Removal

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

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

Fig 2: Identifying Connector And Wiring Harness
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.
Loosen the flare nuts and then remove the brake tube (A).
Tightening torque:

18.6 ~ 22.6 N.m (1.9 ~ 2.3 kgf.m, 13.7 ~ 11.6 lb-ft)

Fig 3: Identifying Flare Nuts And Brake Tube
Courtesy of KIA MOTORS AMERICA, INC.
Pull up the lock of the HECU connector (A) and then disconnect the connector.

Fig 4: Identifying HECU Connector
Courtesy of KIA MOTORS AMERICA, INC.

YES
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)
Loosen the HECU bracket bolts (A) and 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: Identifying HECU Bracket Bolts
Courtesy of KIA MOTORS AMERICA, INC.
CAUTION:
1. Never attempt to disassemble the HECU.
2. Never shock the HECU.
Remove the bolts and 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)