Anti-Lock Brake System (ABS)

WARNING: This page is about a different car, the 2004 Mercury Monterey and 2004 Ford Freestar. However, it is still accessible from the selected car via links, so may be relevant.

The anti-lock brake system consists of the following components:

hydraulic control unit (HCU)
anti-lock brake system (ABS) module
rear wheel speed sensors
rear wheel speed sensor rings
front wheel speed sensors and sensor rings (part of the front hub and bearing assembly)
traction control switch
yellow ABS warning indicator