Repair procedures: Removal

WARNING: This page is about a different car, the 2012 Hyundai Veloster. However, it is still accessible from the selected car via links, so may be relevant.

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 Flare Nuts
  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)