Removal Procedure

Remove the transmission fluid pan and filter. Refer to Automatic Transmission Fluid and Filter Replacement .

Fig 1: Identifying Input Speed Sensor & Electrical Wiring Harness Connector

Courtesy of GENERAL MOTORS CORP.

Disconnect the electrical wiring harness connector (1) from the input speed sensor (2).

Fig 2: Identifying Input Speed Sensor & Bolt

Courtesy of GENERAL MOTORS CORP.

Remove the input speed sensor bolt (2).
Remove the input speed sensor (1).
Inspect the input speed sensor (1) for the following conditions:
- Damaged or missing magnet
- Damaged housing
- Bent or missing electrical terminals
- Metal contamination stuck to magnet