For 1990-2009 cars

### Removal Procedure

1. Remove the battery tray. Refer to Battery Tray Replacement.
2. Disconnect the wiring harness (4) from the input speed sensor.
3. Remove the input speed sensor bolt.
4. Remove the input speed sensor.
5. Remove the input speed sensor O-ring. Discard the O-ring.

### Installation Procedure

1. Apply GM T-IV automatic transaxle fluid GM P/N 88900925 to the new input speed sensor O-ring.
2. Install the new input speed sensor O-ring onto the input speed sensor.
3. Install the input speed sensor to the transaxle.

Caution: Refer to Fastener Caution in the Preface section.

4. Install the input speed sensor bolt and tighten to 6 N·m (53 lb in).
5. Connect the wiring harness (4) to the input speed sensor.
6. Install the battery tray. Refer to Battery Tray Replacement.