On the 3.9L V6 and 5.9L V8 the engine oil leaks at the distributor can be misdiagnosed as leaks from the intake manifold seal, oil pan gasket, or rear crankshaft (rear main) seal. A revised distributor is available if oil is found inside the distributor.
Average mileage: 135,000 (135,000–135,000)
Engines affected: 5.2L V8, 5.9L V8
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