For 1990-2009 cars

Callout | Component Name
--- | ---

#### Preliminary Procedure

Raise the vehicle. Refer to Lifting and Jacking the Vehicle .

1 | Plug Differential Drain Plug Notice: Refer to Component Fastener Tightening Notice in the Preface section. Tighten 39 N·m (29 lb ft)
2 | Differential Fill Plug Tip Fill the differential with GM P/N 89021677 (Canadian P/N 89021678) to the bottom of the fill hole. Tighten 39 N·m (29 lb ft)