Speed Sensor Replacement. Chevrolet Silverado

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2009 🢒 Silverado - 2WD 🢒 Transmission 🢒 Automatic Transmission - Allison 🢒 Speed Sensor Replacement

Warning: Refer to Battery Disconnect Warning in the Preface section.

Be sure the vehicle ignition is turned off.
Disconnect the external wiring harness from the speed sensor.
Remove the bolt (1) from the speed sensor and carefully remove the speed sensor (2).

Note: Do not rotate the sensor in its retaining bracket. Changing the sensor/bracket orientation may cause improper operation.

Install a new a O-ring on the speed sensor (2). Lubricate the O-ring with clean transmission fluid.
Install the new speed sensor (2) into the speed sensor bore. Align the hole in the retaining bracket with the bolt hole in the speed sensor boss.

Caution: Refer to Fastener Caution in the Preface section.

Tighten
Tighten bolt to 12 N·m (108 lb in).