buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Starting and Charging > < Left and Right Front Wheel Speed Sensor|Page 4432
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Wheel Speed Sensor: Service and Repair
Rear Axle Speed Sensor

1.

Raise and support vehicle.

2.

Unclip sensor assembly connector and differential sensor connector, then separate the connectors.

3.

Disconnect speed sensor harness assembly wiring harness with gromments from sensor bracket. Note position of grommets and harness for
installation reference.

4.

Remove sensor attaching bolt, then the sensor from the vehicle.

5.

Reverse procedure to install. The wheel speed sensors are a tight fit into the axle housing and are to be pushed in by hand. Do not hammer
sensor into position. Proper installation of sensor assembly wire into the bracket is critical. Failure to install wire on bracket could cause
wire to come in contact with moving parts, causing circuit damage.

Starting and Charging > < Left and Right Front Wheel Speed Sensor|Page 4432