Repair Procedures: Removal

Turn Ignition Switch OFF.
Disconnect the Brake Tubes from the HECU by unlocking the Nuts counter-clockwise with a Spanner.
Tightening Torque:

A: 12.7 ~ 16.7 N.m (1.3 ~ 1.7 kgf.m, 9.4 ~ 12.3 lb-ft)

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

Fig 1: HECU Brake Tubes
Courtesy of HYUNDAI MOTOR AMERICA
Pull up the lock of the HECU Connector (A) and then disconnect the Connector.

Fig 2: 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: 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)