| SONATA(YF) >2012 > 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)