Oil Coolers and Oil changes

djpathfinder

No, I don't remove the oil cooler or take off the lines for oil changes. I just drain the oil normally. Too much of a hassle, and then you have to worry about potential oil leaks every time you reinstall the cooler lines...the residual old oil will be fine.

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2012 GT-R Black Edition Jet Black
2010 370Z 40th Anniversary // SOLD

Kandy OrangeZ

I wouldnt consider it a "residual" amount. Its one full quart. Maybe thats just me?

djpathfinder

And a good portion of that will be in the lines, which will trickle back into the main system by gravity if your cooler fittings are facing up. My way works for me. Do what makes you feel comfortable or what you think is right.

__________________
2012 GT-R Black Edition Jet Black
2010 370Z 40th Anniversary // SOLD

Kandy OrangeZ

My fittings are facing up...as for gravity plaing a role, I dont agree. Yes the pan sits lower than the cooler, but oil would have to magically be pulled upwards out of the oil cooler in order to drain into the pan or stay in the lines. The way the lines are routed, a section of line is higher than both the sandwich adapter and oil cooler (up out of oil cooler, around passenger side frame rail, into sandwich adapter, I dont think very much oil will still be in the lines once the Z is turned off. Itll drain into the pan or into the oil cooler.

I dont mean to be argumenitive, just simply saying, i feel like the cooler should be drained, due to the fact that there IS at least 1 qt of oil in it. Thatd be like doing an oil change without an oil cooler, draining 4.25 qts and leaving the rest in the pan. Then adding new oil to the remaining old oil.
Just giving everyone something to think about

FL 4Motion

We've all thought about it, and many of us aren't concerned with it. do whatever makes you happy.