For 1990-2009 cars

1. Inspect the reaction sun gear and drum assembly (678) for the following:

• | Worn or scored bushings

• | Damaged reaction sun gear teeth

• | The band apply area of the drum for discoloration or wear

• | The welds connecting the sun gear to the drum for voids or cracks

• | A worn or damaged 1-2 support outer race

2. Install the reaction sun gear and drum assembly (678) into the case.
3. Check that the lugs engage with the 1-2 support roller clutch inner race.