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 1500 Oil leaks from valve cover, intake manifold, and timing cover gaskets
Dodge Ram 1500 Problem
Engines Affected: 3.9L V6, 5.9L V8
Average Mileage: 229,500 mi (195,000 mi - 264,000 mi)
Visitor, 1996 Dodge Ram 1500
all the same leaks