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      06-30-2019, 08:09 PM   #3
nachob
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Drives: 2004 330i ZHP, 2022 Cayman T
Join Date: Apr 2008
Location: California

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Quote:
Originally Posted by ayao View Post
What do you use to clean out the tank and tubing to prevent fluid cross-contamination?
Alcohol. I pour out as much of the old fluid as possible then fill it with some alcohol and swish it all about. You do a little hokey pokey and pump it all out. Then you put a little clean fluid or leftover from the last transmission or diff change and flush out the alcohol.

Just be careful to save your leftover diff fluid for flushing the next time. This stuff is expensive but I did and it was Perfect for that.
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