Various Engine Oil Leaks on Jeep Grand Cherokee

External oil leaks from the valve cover gaskets, intake manifold gaskets (front or rear), and the rear crankshaft seal area are common. The rear main seal is an unlikely source. Normally, leaks in this area are from the bearing cap mating surfaces as well as the sealing surface between the oil pan and bearing cap.

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Average mileage: 180,740 (97,700–255,000)
Engines affected: 4.0L 6 Cylinder, 5.2L V8
8 model years affected: 1993, 1994, 1995, 1996, more1997, 1998, 2000, 2004
13 people reported this problem
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problem details
1994 Jeep Grand Cherokee - 4.0L 6 Cylinder 189,000 mi,
Currently my valve cover gasket needs to be replaced going to tackle it hopefully this weekend
1996 Jeep Grand Cherokee - 4.0L 6 Cylinder 255,000 mi,
small oil leak has progressed to massive (2-3 quarts/day over past week). I stopped driving untill I have time to figure out where leak is from and how much to fix.