Removal 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.
- Raise the vehicle. Lifting and Jacking the Vehicle
- Place a drain pan under the vehicle.
- NOTE:
Use only hand tools to remove and install the oil drain and fill plugs.
Transfer Case Oil Drain Plug (2) - Remove
- Drain the fluid from the transfer case.