C 3500 Truck 2WD V8-454 7.4L VIN J SFI (1999)
Fluid - M/T: Service and Repair
Removal Procedure
1. Remove the oil fill plug.
2. Catch the oil in a suitable container.
3. Remove the oil drain plug.
Installation Procedure
1. Remove all of the existing sealant from the oil drain plug.
2. Apply a thin bead of sealant GM P/N 12346004 to the treads of the oil drain plug.