For 1990-2009 cars only
- Use solvent and a stiff brush to clean the exterior of the transfer case.
- Remove the vehicle speed sensor.
- Remove the vacuum switch and the O-ring seal.
- Remove the following components from the case:
| 4.1. | The detent plug |
| 4.2. | The detent spring |
| 4.3. | The detent plunger |
