Section 1586 (G56 Manual Transmission - (Service Information) - 2500 Hd): Cleaning
WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Clean gears, shafts, shift components and transmission housings with a standard parts cleaning solvent. Do not use acid or corrosive base solvents. Dry all parts except bearings with compressed air.
Clean shaft bearings with a mild solvent such as MOPAR® degreasing solvent, Gunk® or similar solvents. Do not dry the bearings with compressed air. Allow the bearings to either air dry or wipe them dry with clean shop towels.