4x4

I have had my 2008 cayenne for a year now and it's at 92 000km's at the moment.

Thinking to do the big service (every 60 000km) and also replace the oils in the front, mid, rear differentials and the transmission.

Not sure about the diffs and tranny though...everything seems to work just fine. I know I know...they say it's longlife oil in them, some people change the oils and some dont, I myself think that at 100 000km's it would be a good idea to change all liquids.

Now for the gearbox..the dealer just drains the old oil and fills it with new, replaces the filter and other required bits (gaskets etc).

There are some independent services who do "dynamic" oil changes for automatic transmissions. With a special machine they flush the old oil and all debris out, and then refill the gearbox with new oil, what to think about this one? They say it's better then the dealer as this way there is no old oil left inside.

user 83838290

Change 'em all. I had the tranmission flushed as well as the diffs and now I've got a peace of mind. Had it done @ about 150k km.

4x4

Did you do yours at the dealer or an indy shop?

user 83838290

Indy shop

4x4

Did they flush the gearbox through as well? Do you remember how many liters of oil
they used?

user 83838290

yes, they flushed everything. I have no clue how many liters did I buy, but it was a lot.

Dan87951

I learned early that there is no such thing as "lifetime" fluids. I replaced my diffs with Mobil 75w90LS and used Redline D4 in the transfer case. My rig has 47k miles on so haven't changed the transmission fluid yet but will once it hits 60k.

m a x i m u s

How much did that run you? I got a quote for a transmission service from an indie shop for $1250 here in Los Angeles.