SONATA(YF) >2013 > G 2.4 GDI > Brake System > ESC(Electronic Stability Control) System > ESC Control Module>Repair procedures  
Removal
1.
Turn the ignition switch OFF.
2.
Remove the air cleaner assembly (A).

3.
Pull up the lock of the HECU connector , then disconnect the connector.

4.
Disconnect the brake tubes from the HECU by unlocking the nuts counterclockwise with a spanner.

Tightening torque :
13.7 ~ 16.7N.m (1.4 ~ 1.7kgf.m, 10.1 ~ 12.3lb-ft)

5.
Loosen the HECU bracket bolts (A), then remove HECU and bracket.

Tightening torque :
19.6 ~ 29.4N.m(2.0 ~ 3.0kgf.m, 14.5 ~ 21.7lb-ft)

1.
Never attempt to disassemble the HECU.
2.
Never shock the HECU.
6.
Remove the 2 nuts (B), then remove the bracket from HECU.

Tightening torque :
5.9 ~ 9.8N.m(0.6 ~ 1.0kgf.m, 4.3 ~ 7.2lb-ft)

Installation
1.
Installation is the reverse of removal.
2.
Tighten the HECU mounting bolts and nuts to the specified torque.
3.
After installation, bleed the brake system.(Refer to ABS bleeding)