Silverado Classic 2500 4WD V8-6.6L DSL Turbo (2007)
1. Remove the encoder motor. Refer to Transfer Case Encoder Motor Replacement.
2. Place the encoder motor on a clean work bench,
3. Remove the 2 screws (2) from the motor cover.
4. Remove the 2 screws (1) from the casting.
5. Remove the cover.
6. Remove and save the shim on the output gear.
7. Remove and discard the orange rubber seal from the cover.
8. Remove the output gear (1).
