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Old 09-24-2014, 11:13 AM
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JCL JCL is offline
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Quote:
Originally Posted by TiAgX5 View Post
Yeah, the "sealed" statement is a common misconception.

The trans vents to the atmosphere thru a large tube.


This thread came to a halt when I brought it up...........

http://www.xoutpost.com/bmw-sav-foru...service-4.html
That is because it had devolved into a semantic discussion of what the word sealed means. It is vented to atmosphere, agreed. If you ford a river that is deep enough you could get water in it. I suppose. Not sure how water would be drawn in though, or if the electronics would still be functioning in water that deep.

In the thread you mention, you suggested that contaminants and so on could enter and degrade the trans fluid. You claimed the fluid became corrosive over time. That is similar in concept to engine sumps which get contaminated by by-products of combustion and fuel dilution. That ain't gonna happen. That is the reason it is referred to as sealed.

So, if you like, it is sealed from the contaminants which typically degrade other fluid compartments.
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Last edited by JCL; 09-24-2014 at 11:21 AM.
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