For 1990-2009 cars

### Removal Procedure

1. Disconnect the wiring harness (2) from the output shaft speed sensor.
2. Remove the output speed sensor bolt (3).
3. Remove the output shaft speed sensor (2) and the O-ring (1).

### Installation Procedure

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

Notice: Refer to Fastener Notice in the Preface section.

4. Install the output speed sensor bolt (3).

Tighten
Tighten the bolt to 6 N·m (53 lb in).

5. Connect the wiring harness (2) to the output shaft speed sensor.