How to Unlock an Anti-Lock on a Cavalier

The Chevrolet Cavalier came with an Anti-Lock Break, or ABS system. The ABS system is a system installed on some cars which is meant to keep the brakes from locking or freezing up when they are applied suddenly or in wet or icy adverse road conditions. The ABS system on the Cavalier consists of wheel sensors which correlate information back to a central computer in the car's diagnostic system. In order to make certain repairs, like brake jobs or ball joint installation, the ABS system can be unlocked, or disabled.

Instructions

1

Lift the hood on the Chevy Cavalier and place the end of a wrench around the bolt holding the negative battery cable on. Turn the bolt to the left to loosen it and then pull it from the negative battery terminal.

2

Remove the plastic cover from the relay box, which is located neat the Cavalier's battery.

3

Flip the plastic relay panel lid over and locate the ABS relay on the relay schematic. The exact location of the ABS relay may very with different year Cavaliers so it is important to carefully read the schematic diagram printed on the inside of the lid. Pull the ABS relay out by hand and then put the plastic lid back on.

4

Slip the negative battery cable back on and tighten it with the wrench.