Kia ABS Module Pump ESC Control Unit Replacement
In this guide, you will learn how to remove and replace ABS pump on Kia vehicles.
One of the symptoms of a defective ABS module is the ESC (Electronic Stability Control) light turning on. The ABS module has ESC integrated which helps stabilize your car while cornering and avoid skidding during hard braking.
The pictures in this tutorial are from a 2016 Kia Optima but owners of other Kia models such as Forte, Forte5, Rio, Sorento, Soul, Sportage, Rondo, Sedona, Borrego will find these DIY instructions helpful.
Open the hood of your vehicle and disconnect the battery.
Disconnect the negative battery terminal.
Locate the ABS Module / ESC Control Module
Locate the ABS module behind the engine, near the firewall.
Unplug the connector
Press the locking tab on the connector and disconnect the connector.
Empty brake fluid reservoir
Do not allow brake fluid to fall on the exterior paint of your car as it cause damage to your car.
Disconnect brake lines
Disconnect the brake lines from the ABS unit using an 11 mm wrench. The four brake lines that supply brake fluid to the brakes are held in place with small nuts.
Remove ABS module
Remove the bolts that holds the brake module in place. Two 10 mm bolts that need to be removed. Now you should be able to remove the ABS brake module/pump.
Install the new ABS module in reverse order. Remember to bleed air out of the system at each brake caliper. Start with the wheel farthest from the ABS module.
- Brake Line Bolts (M10): 11 lb-ft
- Brake Line to Reservoir (M12): 16 lb-ft
- Bolts - Bracket to Frame: 21 lb-ft
ABS Module Repair
An economical way to fix ABS module / ESC Control Module problems is to fix your existing ABS module. Remove the module from the car and ship it to a third party company that offers ABS Module Repair Service. It is a lot cheaper to fix your existing unit than replace it.
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