white residue on oil cap

[doug1676]

Hello i was checking my oil and notice a creamy residue on the oil cap but when I checked the dipstick about 4 dips no white residue showed on the stick just oil. Secondly I put down the oil cap down for about 2 minutes or more and looked at the cap and noticed most of the creamy residue on the cap was gone as though it disappear by just sitting there do I have a problem or is this normal the car drives fine and the temperature gauge is at were is should be.


Thanks

[mr.kenny]

Probably just a little moisture condensing in the cap when the engine cools way down. I wouldn't worry about it; it will probably disappear once it warms up outside. I find the same thing on all of my cars during the winter; I have found moisture on the upper part of the dipstick that alarmed me; but it goes away when it warms up. As long as your crankcase oil isn't milky, nothing to worry about.

[doug1676]

Originally Posted by mr.kenny

Probably just a little moisture condensing in the cap when the engine cools way down. I wouldn't worry about it; it will probably disappear once it warms up outside. I find the same thing on all of my cars during the winter; I have found moisture on the upper part of the dipstick that alarmed me; but it goes away when it warms up. As long as your crankcase oil isn't milky, nothing to worry about.

Thank you for your response lets just hope it is just that. I will check the dipstick again tommorrow as well as the antifreeze reservoir to make sure im not loosing any.

[beige97camry]

head gasket leaking h20 into cylinder, just did this on 95 4-runner, better get radiator shop to check out, they have something that quickly tells them if gases in radiator fluid indicating head gasket leak, good luck.