Cannot find Oil leak?

2015 RAM 1500
117,000 MILES • 3.6L • 6 CYL • 4WD • AUTOMATIC
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ETHANKUNTZ
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  • 1 POST
Slow oil leak, smelling oil when running heat, slow start up, not smelling burning oil.
Dec 19, 2023 at 5:16 PM
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JACOBANDNICKOLAS
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  • 110,175 POSTS
Hi,

At this mileage, the most common oil leak is at the rear of the valve covers. There are cam sensors in the rear also that have O-rings that can fail. See pic below.

When the engine is cool, feel behind the valve covers to see if there is evidence of oil. Also, the passenger side would be the most likely one if you are smelling oil with the heater on.

Also, check at the rear of the lower intake manifold. The oil cooler which is under the intake can also be leaking.

Let me know what you find,

Joe
Dec 19, 2023 at 9:23 PM