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Oil in radiator cap...
 
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Oil in radiator cap and water tank

  

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I have a 2004 350z enthusiast, it’s a 6 speed manual with 132,000 miles. I noticed a good amount of smoke coming from my exhaust, there was no milky color when I changed the oil but there was oil in my water reservoir and on the radiator cap. What does this mean?


3 Answers
4

Try this test - 

https://youtu.be/v0U8Iyf0kk4


3

Sounds like a blown head gasket or oil cooler (I don't know for sure if the 350z has one though) Scotty has a video on it.


2

Blown head gasket.


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