I attached a picture of what it looks like. When I pulled out the oil stick it look clean and normal but on the oil cap where you pour in the oil it has this stuff on it. I do have an oil leak but it wasnt below the safe line when I checked it today, just somewhat low. Any ideas?

 

Coolant leak into the engine maybe.

 

That is normal condensation from short trips. If your oil looks good, you have nothing to worry about.

 

if you rarely drive the truck ie not long distances, dont really get it good and hot, that is normal water condensation. if you do drive it everyday on the freeway 100 miles i would say coolant leak.

my truck had the same thing when i bought it. the guy only drove it once a week down the road and back for the few months before i bought it and that is how mine looked. i drive mine a lot now and its just fine

 

Yea, normal. All OHC engines do this, ie - short cycles.

 

Clean or replace your PCV valve, and make sure the PCV hose isn't collapsed or rotted as that is pretty common. If you want to be sure, just get a new valve and a new piece of hose (you can use regular fuel 3/8" hose). They're cheap.

Either one of those will cause that condensation build up. It's amazing how many people neglect to change the PCV valve.

 

Notice any coolant loss?

 

Thanks for the replies. I started a new job about 3 weeks ago and I now drive about 50 miles per day all together (there and back 50), Monday through Friday. But I haven't noticed any coolant leaking, the level looks the same in the container. I will try to have time to change my oil next weekend and see what it looks like in the bucket.

 

Seriously, check your PCV valve. It takes just a minute. If you're not losing coolant into the oil, the PCV valve is really the only thing that would cause condensation build up. It's what keeps fresh air flowing through the engine, thus removing moisture.

 

Does the 3v 04-08 5.4 have one?

 

No. It is a common occurance where there is a lot of humidity. As I stated above, if the oil looks normal, not creamy, he should just wipe it off and keep on truckin.

 

I have it too... Goes away when spring comes. Just was curious on the valve.

 

It's just bi-product, it'll burn off. Drive her for about 40 miles continuously and it will be gone, completely. Other than that, it may be around a little longer, that's all. They all can do that, new and old. How much depends solely on weather conditions and driving habits, as in short drive cycles.

Your alright

 

Agrees 100% with Jbrew! At least once a week take your truck out on the highway for at least 10 miles at 65mph-->More is better.