Repair Procedures: Removal

Turn ignition switch OFF.
Disconnect the brake tubes from the HECU by unlocking the nuts counterclockwise with a spanner.
Tightening torque:
1. 12.7 ~ 16.7 N.m (1.3 ~ 1.7 kgf.m, 9.4 ~ 12.3 lb-ft)
2. 18.6 ~ 22.6 N.m (1.9 ~ 2.3 kgf.m, 13.7 ~ 16.6 lb-ft)
  
  Fig 1: Identifying Brake Tubes From HECU
  Courtesy of HYUNDAI MOTOR AMERICA
Pull up the lock of the HECU connector (A), and then disconnect the connector.

Fig 2: Identifying HECU Connector
Courtesy of HYUNDAI MOTOR AMERICA
Loosen the HECU bracket nuts (A), then remove HECU and bracket.
Tightening torque:

16.7 ~ 25.5 N.m (1.7 ~ 2.6 kgf.m, 12.3 ~ 18.8 lb-ft)

Fig 3: Identifying HECU Bracket Nuts
Courtesy of HYUNDAI MOTOR AMERICA
CAUTION:
- Never attempt to disassemble the HECU.
- The HECU must be transported and stored in.
- Never shock to the HECU.
Remove the 3 bolts, and then remove the bracket from HECU.
Tightening torque:

11 ~ 14 N.m (1.1 ~ 1.4 kgf.m, 8.1 ~ 10.3 lb-ft)