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.
Car Problem Reports
Dodge Ram Van 1500 Oil leaks from valve cover, intake manifold, and timing cover gaskets
Dodge Ram Van 1500 Problem
Engine Affected: 5.2L V8
Visitor, 1996 Dodge Ram Van 1500, 5.2L V8, 189,000 mi
oil leaks at the rear seal and oil/transmission coolant line leaks. oil pan gasket needs to be changed also and losing power