Sierra Classic 2500 4WD V8-6.0L (2007)
1. Align the input seal evenly on the input shaft.
Important:
The input shaft seal should be even with the surface of the transfer case after installation.
2. Using the J 42738, install the input shaft seal.
3. Install the transfer case. Refer to Transfer Case Adapter Replacement.
4. Check the fluid level, add fluid if necessary.