On higher-mileage vehicles, engine oil leaks from the valve covers and front crankshaft seal are common.Google+
Car Problem Reports
Plymouth Grand Voyager Oil Leaks at Valve Covers/Front Crankshaft Seals are Common on High Mileage Vehicles
Plymouth Grand Voyager Problem
Engines Affected: 3.0L V6, 3.3L V6
Average Mileage: 134,319 mi (100,000 mi - 179,546 mi)
Visitor, 1997 Plymouth Grand Voyager, 3.0L V6, 129,000 mi
Leaking quart of oil per gas tank fill up. Oil everywhere!!
Visitor, 1999 Plymouth Grand Voyager, 3.3L V6, 110,000 mi
Oil Leaks. Suspect valve covers
Visitor, 1998 Plymouth Grand Voyager, 3.0L V6, 131,000 mi
Small oil leak. Nothing critical.
Visitor, 2000 Plymouth Grand Voyager, 3.3L V6, 150,689 mi
Mechanic noted some leaking of seals at last inspection.