I have a 1998 VW Jetta with automatic transaxel 2.0 engine. Does
anybody know when the best time or mileage to chage the fluid in the
transaxel and differential? I have asked many different people and
have received as many different answers.

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Clarification of Question by tonydi-ga on 22 Oct 2006 14:38 PDT

My owners manual does not mention when to change the transaxel fluid.
VW service shops have told me never to change the fluid unless it is
leaking or having problems.

First, read the owner's manual. Do what it says. It may not have a
recommended change interval! The VW transaxle is based on the old Borg
Warner design and is fairly rugged.

You should be able to go at least 50,000 miles before a fluid and
filter change. Some manufacturers don't recommend one until 100,000
miles.

Basically as long as the fluid is nice and pink you don't have any
shift problems or slipping you can probably get by without changing
it. Automatics last almost forever if they don't run low on fluid.

If you want to be sure, change it out every 50,000 miles. I have never
heard of a transmission manufacturer recommend a change interval
sooner than that.

For more info you can check my site: http://econofix.com/atrans.html