Installation Procedure
WARNING: This page is about a different car, the 2023 GMC Sierra 3500 HD and 2023 GMC Sierra 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Apply sealant to the threads of the transfer case oil drain plug (2). Adhesives, Fluids, Lubricants, and Sealers
- Transfer Case Oil Drain Plug (2) - Install and tighten - Fastener Specifications
- Transfer Case Oil Fill Plug (1) - Remove
- Fill the transfer case to the bottom of the oil fill hole with the recommended fluid.
- Apply sealant to the threads of the transfer case oil fill plug (1). Adhesives, Fluids, Lubricants, and Sealers
- Transfer Case Oil Fill Plug (1) - Install and tighten - Fastener Specifications
- Remove the drain pan.
- Remove the support and lower the vehicle.
CAUTION:
Refer to Component Fastener Tightening Caution .