Rocker Arm, Valve: 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 all components in a suitable solvent. If necessary, use a wire brush or wheel to remove stubborn deposits. Rinse in hot water and blow dry with compressed air. Inspect the oil passages in rocker arms and pedestals. Apply compressed air to the lubrication orifices to purge contaminants.