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Old 11-23-2010, 05:46 PM
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OldMoparMan63 OldMoparMan63 is offline
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Join Date: Nov 2010
Location: PA
Age: 52
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Vehicle: 2002 Ram 1500 QC-4.7
Trim Level: SLT
Color: DK Blue
Engine: 2002-2007 287ci (4.7L) PowerTech V8 235hp 295lb/ft
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Originally Posted by RamTech View Post
What you see in the inside of your cap isn't always a good indicator of what the inside of the engine looks like.
Excellent point.

The oil fill spout is elevated and is plastic. Plastic does not transfer heat.

What you're seeing is oil vapors that rise in that tube, and are exposed to cooler air, causing condensation, hence the tan, gooie, build up you get.

Short trips where the engine doesn't reach full operating temps long enough to dry it out, will make it worse. Not to mention, the PCV valve is there, sucking engine/oil vapor up to that location.

Ford had the same issue on the older small block engines, at the oil fill cap, where the PCV fit into.

It's harmless.....just really annoying to see, and you'll see it more in the winter/coller months then you will in the summer, because of the warmer, summer ambient temps.
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