HECU (Hydraulic And Electronic Control Unit): Replacement

Tighten HECU bracket bolt.
Tightening torque

HECU bracket bolt : 17-25 N.m (1.7-2.5 kgf.m, 12-18 lb-ft)

Fig 1: Identifying HECU Bolt And HECU bracket Bolt
Courtesy of KIA MOTORS AMERICA, INC.
Install HECU bolt.
Tightening torque

HECU bolt: 8-10 N.m (0.8-1.0 kgf. m, 5.6-6.9 lb-ft)
Install brake tubes to HECU.
Tightening torque

Brake tube nut(M10) for ABS & TCS : 13-17 N.m (1.3-1.7 kgf.m, 9-12 lb.ft)

Brake tube nut(M12) for ESP : 19-23 N.m (1.9-2.3 kgf.m, 14-17 lb.ft)

Fig 2: Identifying Brake Tubes
Courtesy of KIA MOTORS AMERICA, INC.
Connect HECU connector to HECU.
If necessary, bleed the air and test driving.