Repair Procedures: Removal

Turn ignition switch OFF and disconnect the negative (-) battery cable
Remove the Engine room fuse & relay box (B) after removing the cover (A).

Fig 1: Identifying Engine Room Fuse, Relay Box And Cover
Courtesy of KIA MOTORS AMERICA, INC.
Disconnect the brake tubes from the HECU by unlocking the nuts counterclockwise with a wrench.
Tightening torque:

A: 11.8 ~ 15.7 N.m (1.2 ~ 1.6 kgf.m, 8.7 ~ 11.6 lb-ft)

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

Fig 2: Identifying Brake Tubes And Mounting Nuts
Courtesy of KIA MOTORS AMERICA, INC.
Disconnect the ESP control unit connector (A).

Fig 3: Identifying ESP Control Unit Connector
Courtesy of KIA MOTORS AMERICA, INC.
Loosen the HECU bracket bolts (A: 3 EA), then remove HECU and bracket.
Tightening torque:

21.8 ~ 32.4 N.m (2.2 ~ 3.3 kgf.m, 15.9 ~ 23.9 lb-ft)

Fig 4: Identifying HECU Bracket Bolts
Courtesy of KIA MOTORS AMERICA, INC.
Remove the bolts, 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)
CAUTION:
1. Never attempt to disassemble the HECU.
2. The HECU must be transported and stored in.
3. Never shake to the HECU.