Volkswagen indicates that the transmission is a sealed unit and does not require a fluid change. At what milage should the fluid be changed
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2006 Volkswagen Touareg
Question: Touareg transmission Fluid change
Answer #1patrick mannion from Greg Solow's Engine Room, December 31, 2010, 09:13Master
A lot of car manufacturers went to these "sealed for life transmissions" and found out "life" was 80,000 miles. At the time a car range we work on the oil was $80 a quart retail and the dealer didn't stock it, now is $10 a quart because they see it should be changed.
I would change it every 30K especially if you tow or drive off road certainly every 60K. at a minimum.