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member of the old *****
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Discussion Starter #1
i have a 2000 beetle tdi with auto trans.the dealer said that the trans fluid neever needed to be change as it was sealed.he said that they got a service bulltin that you dont do any thing to the trans.i dont know about this so what do you guys think?:(
 

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180 Degrees out of faze
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841 Posts
See posting about how to change the fluid. It is a sealed lifetime environment. Only question is, whose lifetime? VW generally defines lifetime as 100k miles.
Things to consider. Synthetic oil in a sealed environment will over time become contaminated with bits of metal warn from the gears. The filter will also start to fill up with little bits and pieces of stuff. The transmission generates a lot of heat, and the oil will break down if it gets hot enough.
Depends on you own personal level of paranoia. 50K miles seems like a reasonable length of time between changes. At least for me.
 
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