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#2495361 - 01/16/12 12:06 PM milky white engine oil
Eddie25 Offline


Registered: 12/23/11
Posts: 47
Loc: New York,Ny,USA
!?what do ya think? guys!?

Condensation or blown head gasket?

So today I was checking the engine oil dipstick, and was horrified!!!! The oil was milky white! Having read articles on oil analysis milky white engine oil= coolant into the oil. So I panicked and did some research then I found out to check the oil filler cap and indeed It was covered with white sludge inside.

Now I'm confused cause it says that white residue in the oil filler cap is normal depending on weather conditions and miles driven, but milky white oil in the dipstick is not normal.

So here's the breaKdown: I drive a total of 4miles a day for 5 days. Weather here in NY has been in the low teens lately. I got an oil change switching to synthetic about a month and a half ago also got the cooling system flushed about a month ago, neither one at that time showed any signs of any kind of trouble, plus weather was much warmer then. engine oil was still a good color when I changed it. The stupid *** that changed the coolant changed it to the green one, which I might be changing it when it warms up when I discovered that the Jeeps called for a specific coolant. I ruled out the coolant because it is a green color, also coolant level has gone down to the add mark Eversince it's gotten cold but rises somewhere in the middle when warm. although a while back I've noticed at times bubbles rising in the coolant resovoir as it it is draining somewhere, I don't know if its normal. Is it? There seems to be normal exhaust coming out the tail pipe not thick white smoke. engine doesn't show signs of overheat, lastly I'm broke for the moment and can't take it in the shop For a compression test and I need to drive it to get my errands done.

So my questions are does this point in the direction of condensation and can I drive my car worry free, without the need to change anything or fluids or take it in to a shop? I always follow what you guys way instead of getting mislead by a mechanic. I have a 2005 GC Jeep 4.7 V8

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#2495366 - 01/16/12 12:14 PM Re: milky white engine oil [Re: Eddie25]
Rand Offline


Registered: 08/20/03
Posts: 8093
Loc: Barberton,Ohio
Probably just condensation.

Combustion makes alot of water as a byproduct and if your engine doesn't get warm enough it will get into the oil and stay there until you burn it off.
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#2495375 - 01/16/12 12:24 PM Re: milky white engine oil [Re: Rand]
volk06 Offline


Registered: 10/04/10
Posts: 4345
Loc: Iowa
This is a common thing when driving vehicles in cold weather and not allowing them to get up to temp for extend amounts of time.

I would take the jeep on a long drive, or get the engine up to temp, nice and hot, to burn off the condensation and see what happens. If you do, get the engine HOT! This might mean "beating" on your car a little bit but if it clears up some you know condensation was the problem.


Edited by volk06 (01/16/12 12:30 PM)
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#2495379 - 01/16/12 12:28 PM Re: milky white engine oil [Re: Eddie25]
SLCraig Offline


Registered: 12/21/08
Posts: 5317
Loc: London, ON, Canada
She needs a long drive.
Check oil afterwards...
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#2495380 - 01/16/12 12:31 PM Re: milky white engine oil [Re: Eddie25]
antonmnster Offline


Registered: 03/29/10
Posts: 652
Loc: Minneapolis
If your coolant level isn't dropping, then I'd feel comfortable saying the water is combustion byproducts. Keep a close eye on that coolant bottle!

Go for a 100 mile drive and report back.

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#2495397 - 01/16/12 12:47 PM Re: milky white engine oil [Re: Eddie25]
gathermewool Offline


Registered: 01/09/09
Posts: 3674
Loc: New England
Pics? Is it building up in the dipstick tube or is the dipstick covered in nothing but milky sludge?
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#2495407 - 01/16/12 12:53 PM Re: milky white engine oil [Re: Eddie25]
chubbs1 Offline


Registered: 06/09/10
Posts: 4574
Loc: Merritt Island FL, USA
Also, any chunks or bubbles? One thing I have noticed about the green coolant is that it will show green on the bottom of the filler cap and around the oil fill area. I doubt you have a blown gasket, as others have said take it on a long drive and see what happens. watch the coolant level. I had a jeep that had the same engine and I have both had a blown gasket and the condensation you are talking about. I had to add coolant like nobody's business so I doubt the gasket is the case.
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#2495414 - 01/16/12 12:59 PM Re: milky white engine oil [Re: Eddie25]
Eddie25 Offline


Registered: 12/23/11
Posts: 47
Loc: New York,Ny,USA
http://db.tt/5UNCkCIR
http://db.tt/TdsLjndS
http://db.tt/aIf1ZRew
http://db.tt/hQsFRc99

Here are links to the pics, I couldn't figure out how to post the pics directly. Thanx for the quick replies and hopefully like some mentioned its just condensation. These pics were taken when The Jeep wasn't warm, I just had it turned on for 5 minutes, the car had been sitting for 24 hrs in the cold.


Edited by Eddie25 (01/16/12 01:03 PM)

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#2495416 - 01/16/12 01:01 PM Re: milky white engine oil [Re: Eddie25]
Chris142 Offline


Registered: 06/05/03
Posts: 11740
Loc: apple valley, ca
Those 4.7's always put condensation under the oil fill cap.
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#2495418 - 01/16/12 01:05 PM Re: milky white engine oil [Re: Chris142]
Eddie25 Offline


Registered: 12/23/11
Posts: 47
Loc: New York,Ny,USA
Originally Posted By: Chris142
Those 4.7's always put condensation under the oil fill cap.


I've heard of that, but the thing that has me confused its that it's in the oil as well, or what it seems like. because doing research on the internet it says under the filler cap is not a problem but when it gets to the oil it might be.


Edited by Eddie25 (01/16/12 01:06 PM)

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#2495430 - 01/16/12 01:17 PM Re: milky white engine oil [Re: chubbs1]
Eddie25 Offline


Registered: 12/23/11
Posts: 47
Loc: New York,Ny,USA
Originally Posted By: chubbs1
Also, any chunks or bubbles? One thing I have noticed about the green coolant is that it will show green on the bottom of the filler cap and around the oil fill area. I doubt you have a blown gasket, as others have said take it on a long drive and see what happens. watch the coolant level. I had a jeep that had the same engine and I have both had a blown gasket and the condensation you are talking about. I had to add coolant like nobody's business so I doubt the gasket is the case.


There are no bubbles inside th coolant if that's what you mean, but I do notice that sometimes bubbles rise up in the coolant resovoir like its draining, somewhere. I never knew if it was normal, it seems like its draining somewhere. I never had to add though, one thing I noticed about the coolant level is that as its gotten colder the coolant level has dropped to the add line but when the Jeep warms up it goes up between the add and full mark which I read was normal.

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#2495477 - 01/16/12 02:01 PM Re: milky white engine oil [Re: Eddie25]
bepperb Offline


Registered: 01/10/08
Posts: 4877
Loc: Milwaukee, WI
Originally Posted By: Eddie25
I drive a total of 4miles a day for 5 days.


That's pretty much it right there. Condensation.
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#2495490 - 01/16/12 02:07 PM Re: milky white engine oil [Re: Eddie25]
4ever4d Offline


Registered: 01/02/10
Posts: 797
Loc: North Carolina
As mentioned,it looks like condensation,take it for a long highway trip and recheck the oil a couple hours later. Keep an eye on the water level if you continue to add coolant to keep full that will tell you you may have other issues.
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#2495491 - 01/16/12 02:09 PM Re: milky white engine oil [Re: Eddie25]
meep Offline


Registered: 02/20/07
Posts: 2531
Loc: Southeast
HA! I see you live on JF too, under a different username! smile
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#2495507 - 01/16/12 02:19 PM Re: milky white engine oil [Re: Eddie25]
Clevy Offline


Registered: 11/11/10
Posts: 7879
Loc: Saskatoon canada
Bubbling in the reservoir is a bad sign. Do as already suggested and take it for a long drive. Try to evaporate whatever is in the oil and keep a close eye on the coolant level. Not much more you can do for now.
Be sure to keep a gallon of coolant or water with you just in case.
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