For 1990-2009 cars

### Removal Procedure

1. Remove the battery tray. Refer to Battery Tray Replacement .
2. Disconnect the electrical connector (2) from the output shaft speed sensor.
3. Remove the output speed sensor bolt.
4. Remove the output shaft speed sensor and the O-ring.

### Installation Procedure

1. Apply GM T-IV automatic transaxle fluid GM P/N 88900925 to the new output speed sensor O-ring.
2. Install the new output speed sensor O-ring onto the output speed sensor (2).
3. Install the output speed sensor into the transmission case assembly.

Notice: Refer to Fastener Notice in the Preface section.

4. Install the output speed sensor bolt.

Tighten
Tighten the bolt to 5 N·m (44 lb in).

5. Connect the electrical connector (2) to the output shaft speed sensor.
6. Install the battery tray. Refer to Battery Tray Replacement .