Water mixing with oil

Tiny
DUSTYFEATHERS
  • MEMBER
  • 1999 MERCEDES BENZ ML320
  • 13,100 MILES
There is water in the oil pan, but no water present on oil stick or in reservoir.
Sunday, August 11th, 2019 AT 1:12 PM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Hi,

When you say there is water in the oil pan are you finding this by draining the oil or did you remove the oil pan?

Sometimes there will not be oil on the dipstick if it is in the beginning stages of leaking. Also, just because you have coolant in the oil does not mean you are going to have oil in the coolant.

The cooling system and oil lubrication system are separate and you should never have them mixed. When you do, it is the sign of an issue.

Just let me know how you found it and we can go from there. Thanks

https://www.2carpros.com/articles/coolantantifreeze-in-the-engine-oil
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Sunday, August 11th, 2019 AT 1:40 PM

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