1. Remove propeller shaft guard #1.
2. Mark #2 driveshaft and rear differential where they meet.
3. Remove the four 12-point bolts and separate the propeller shaft #2 from the rear differential.
4. Unscrew the self-locking bolt (10 mm), holding the center bearing support.
5. Mark propshaft #1 and transfer case where they connect.
6. Remove the 4 12-point bolts and separate the propeller shaft #1 from the transfer case.
7. Install in the reverse order of removal.
Install by label.