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Oil leaks from valve cover, intake manifold, and timing cover gaskets on Dodge Ram Van B150

Problem Description and Possible Solution

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.

Problem Data
RepairPal Verified
Average mileage: 250,000 (250,000–250,000)
Engine affected: 3.9L V6
5 model years affected: 1990, 1991, 1992, 1993, more1994
6 people reported this problem