Why does my oil cap look rusty?
Why does my oil cap look rusty? The rust color is just condensation from the crankcase, usually from not running it long enough to get good and warm-cooking off the moisture. Why is my oil cap orange? What's orange? Moisture mixed with oil, this is normal for winter time driving, moisture is drawn in with the intake air, turned to steam in the combustion chamber and makes it's way past the piston rings ending up in your oil. One good long highway drive will clear your crankcase of this. What can I use instead of an oil cap? Wrap your...