Manifold, Intake: Cleaning: Cleaning
WARNING: This page is about a different car, the 2014 RAM 3500 HD and 2014 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Courtesy of CHRYSLER GROUP, LLC
Clean the intake manifold in solvent and blow dry with compressed air.
Clean cylinder head gasket surfaces using a suitable solvent.
The plenum pan rail must be clean and dry (free of all foreign material).