Kia Optima Manuals

Kia Sedona: ESC Control Module Repair procedures - ESC(Electronic Stability Control) System - Brake System - Kia Sedona YP Service ManualKia Sedona: ESC Control Module Repair procedures

Third generation YP (2014-2023) / Kia Sedona YP Service Manual / Brake System / ESC(Electronic Stability Control) System / ESC Control Module Repair procedures

Removal
1.
Turn the ignition switch OFF.
2.
Remove the brake fluid from the master cylinder reservoir with a syringe.
   
•
Be sure to completely remove foreign substances from around brake fluid reservoir and cap before opening the reservoir cap. Otherwise, it may cause contamination of brake fluid and deterioration in braking performance.
•
Do not spill brake fluid on the vehicle as it may damage the paint. If brake fluid comes in contact with the paint, wash off immediately with water.
3.
Pull up the lock of the HECU connector (A) and then disconnect the connector.

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

5.
Loosen the HECU bracket nuts (A) and 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)

   
1)
Never attempt to disassemble the HECU.
2)
Never shock the HECU.
6.
Remove the bolts and then remove the bracket from HECU.
Tightening torque :
10.8 ~ 13.7 N.m (1.1 ~ 1.4 kgf.m, 8.0 ~ 10.1 lb-ft)
Installation
1.
Install in the reverse order of removal.
2.
Tighten the HECU mounting bolts and nuts to the specified torque.
3.
After installation, bleed the brake system.
(Refer to Brake system - "Brake system Bleeding")
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