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Old 03-30-2014, 03:45 PM   #1
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milky cap

if you take the oil cap off and look at it and its kinda milky what is that indication of? I already know lol I just want to hear someone else say it
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Old 03-30-2014, 04:22 PM   #2
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milky cap

Head gasket.

Lower intake gasket etc.
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Old 03-30-2014, 05:55 PM   #3
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Frequent short trips in colder weather will do that too--what sort of driving do you do?
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Old 03-30-2014, 06:56 PM   #4
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hmmm interesting.... frequent short trips in winter driving...
I figured head gasket ..
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Old 03-30-2014, 07:31 PM   #5
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The combustion process produces a bunch of water vapour, and other crap, especially with the ethanol "enhanced" blends.

With a cold engine (short trips in winter) two things happen:

First the combustion gasses blow-by the pistons more easily (as both they and cylinders have not yet expanded to their normal "hot engine" dimensions;

The second thing is the oil does not get hot enough to boil off the warer vapour and other nasties--these then form an emulsification with the oil--this is the "kinda' milky" stuff. It turns to sludge if allowed to accumulate;

This is why "short trips in cold weather" are considered severe service requiring more frequent oil changes...
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New ride (7/1/2013) 1998 Mercedes SL500-5.0L 32V VVT 326/347 HP/tq
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Old 03-30-2014, 07:57 PM   #6
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so just change my oil more frequently or at least allow the car to hit operating temp before shutting her down?
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Old 03-30-2014, 08:14 PM   #7
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Quote:
Originally Posted by FullyAutomatic View Post
so just change my oil more frequently or at least allow the car to hit operating temp before shutting her down?
Yes to the more frequent oil changes, however if by allowing the engine to "hit operating temperature" before shutting down, you mean letting it idle or just drive around at low loads, the the answer is no. You need to take it out on open road, at least once a week, and run it up to 65 to 70 for a minimum of 20 minutes or more. That will burn off the nasties on the oil.

You need to force it to get HOT; simply "letting" it reach normal operating temperature will omly make matters worse...
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Old 03-30-2014, 09:05 PM   #8
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oh I drive the car everyday but lots of that is a quick rip down the road to the grocery store or whatever and back and the car never really gets a chance to warm up...and winter is just ending here so its been pretty cold...
car is also driven on the highway a decent amount.. few recent road trips but oil was changed about a month ago
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Old 04-01-2014, 05:30 AM   #9
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Pcv valve bad can do that to happened on mine
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Old 04-06-2014, 10:16 PM   #10
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Milky oil

I have also seen it happen to cars that sit for a long time in the south. In late fall or during the winter espically when you have vast temp changes.
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