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What does it mean when there is tiny little bubbles in the oil or on the dipstick when I take the dipstick out. Thanks

One possibility is this. Motor oil should be clean and oil-looking. White milky-looking bubbles on the oil are a sign of water, usually meaning a blown head gasket.

You cant be serious, I was just asking because my 280 z keeps overheating and I went to look at the dipstick and there was bubbles in it after it was run, they dont look white there is just bubbles

maybe you put too much oil in and it's foaming up?

Please dont tell me its ablown head gasket and No, I didnt put too much oil in, I make sure I either have it at the line or a little bit below it. Also does anyone know anything about lock up in an automatic tranny, would it cause a car to overheat due to no lock up. I know this isnt a site for z cars but they havent answered me on the zcar forum about this. Thanks for the replys

Maybe keep on eye for ahile and change the oil and see if it still does it. Can you get that girl in your icon to change it for you?

i don't think bubles are a problem, could just be the type of oil, how many bubbles are you talking about? does it smell like oil? is it the right thickness or is it too thin? is it milky? if its not milky, smells alright, and is about the right thickness, i wouldn't worry about it. another sign of something getting into your oil is the oil getting fuller. just keep a check on it and if the oil level stays the same or gets lower, then your probably not getting anything in your oil. i've seen fuel pressure regulators go bad and fill the oilpan with gas, the gas mixes with the oil so the only way you can tell is the oil level rises, gets thinner, and starts to smell like gas.

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1980 chevy luv 4x4 1.8 liter
1979 luv long bed parts truck
1984 2wd isuzu pup parts truck

"A man who says it can't be done shouldn't interrupt a man doing it."

Hey Zane, I wish I could get her to change it but that aint going to happen not with my wife around. 81luv, I am going to check all that out tomorrow because I dont really want to change a head gasket on a fuel injected z, but if it comes down to it I probably will have to. Thanks for the help guys


(And this is a reply from classiczcar.com.)



"I don't like the sound of 'tiny bubbles in the oil"! Could be a head gasket which would also be the cause of your overheating. Are there bubbles in the coolant or any evidence of coolant in the oil or vice versa? I'm not that knowledgeable on auto trannys but I doubt if it could be the cause of your overheating problem. (Somebody check me here if I'm wrong)"

Well I went out today to check the dipstick while it was cold and it looks like normal oil and there is no sign of water, it doesnt look milky or anything like that, there is no oil in the water so I dont know what it could be, tomorrow I will do a compression test and see what happens, any suggestions let me know please, Thanks Shane

take the oil fill cap off.
check there.
when muh head was cracked in my luv the dipstick looked fine, but when I pulled the oil fill it was milk chocolate baby!

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03Cobra

I tried that already and there is no milky substance, I figure it is the oil pump because the oil gauge does'nt do anything when I rev the car to 3000 rpms

Errr, My Oil pump failed and it just sat their cooking the oil. When I changed it the oil pressure switch hops up and down now.

I think you may have what we call "Bubbly Oilitis" Where you used Mobile or Havoline. They are really bubbly for some reason. Dunno why.

I used Pennzoil and never had a problem.

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You might even be getting some blow by in the cylendar. Where the piston rings have pitted the cylendar and it is blowing by. That would be a reason to to overheat. The heat is focused on that one skratch.

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More LUV than one man could ever need - Spread the LUV!
- 1976 Chevy Longbed - Daily Driver
- 1981 Chevy Shortbed 4X4 - Needs Help!
- 1981 Chevy Luv 4X4 - Newly put together