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Old 10-04-2012, 03:02 PM
vern vern is offline
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Originally Posted by usaret View Post
The milkshake effect I was referring to is the thin film that I've always found on the bottom of engine oil pans I've opened up. It would seem to me that the process of sucking the oil out from the top would allow this film (of what I suspect is settled debris from combustion blow-by) to build up over time. As I said before I may be too anal about this but pulling the plug makes me feel better. That being said I have a 24' x 30' fully equipped shop to do my work in and I'm retired so I have nothing but time. Plus my county takes used oil at what they call Environmal Collection Centers of which there are two within a short drive of my house. If I lived in an apartment in the city (the thought of which makes me cringe).... I would probably do it your way and just live with it. Of course mine is an '09 with an N52 engine which has no dipstick so I only have one choice.
If I remember correctly quite awhile ago in the days of the dip stick it was posted that some dealers drained the oil this way through the dip stick. That being said ,it can't be that bad as some make it out to be.
Good luck
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