One the 3.9L V6 and 5.9L V8 the carbon buildup on the top of the piston is common. As the buildup increases with mileage and over time, symptoms may vary from light ticking, to ticking/hammering, to hammering/knocking noises. Fuel injector cleaner often solves the problem.
Dodge Ram Van B250 Problem Reports
RepairPal Verified Dodge Ram Van B250 Problem Reports
On the 3.9L V6, 5.2L V8 and 5.9L V8 the Oil leaks commonly from the valve cover gaskets, intake manifold gaskets (front and rear), timing cover gaskets, distributor O-ring, and the rear main seal area. Using fluorescent engine oil dye can be helpful in determining the source(s) of the oil leak.
On the 3.9L V6 and 5.2L V8 it is often misdiagnosed as a leaking oil filter gasket, the oil filter adapter can seep from between the adapter and engine block.
A clogged or restricted transmission fluid cooler system can be the cause of reoccurring transmission failures. Our technicians tell us that if your transmission has failed due to lack of lubrication the transmission fluid cooler and lines should be thoroughly inspected for restrictions.