[ttmacan]

Pretty straight forward diy. Drain/filler plugs are #3 and #5 in the diagram. 44ftlb for the plugs. Add oil 50ml at a time every 15s.

Transmission diagram sourced from “Porsche Workshop Manual”.

 

[ttmacan]

DIY AWD Final Drive oil change (transmission gear oil)

Another nice DIY thread - thanks for documenting.

did the final drive take ~7L of fluid?

Cheers,
PJ

As best as I can remember it was about ~4l

 

[ttmacan]

Cheers!

I'm planning to change out all running gear fluids at 14,000 Mi as someone decided to drive through flood waters which came up just above the bottom of doors.



picked everything up from Sonnen- great website and the service guy was super helpful.

Sorry, if you see the table below it’s 4.1L for the MTF not 6.5L

 

[ttmacan]

DIY AWD Final Drive oil change (transmission gear oil)

For clarity here are the full instructions sourced from “Porsche Workshop Manual”.

 

[ttmacan]

All of this info is available on PIWIS TSI (Technical Service Information) also someone posted the full workshop manual. I would recommend getting a subscription to the PIWIS TSI site that way you can get the most up to date info. The info I provided is for informational purposes only, I always get a subscription to that service for an hour I think it’s like $15 or something. That way your guaranteed to have up to date info.

 

[ttmacan]

The service interval is 160,000 miles or 16 years

I would be weary following these type of intervals for performance vehicles. I did it at 50k and trans was shifting way smoother but to each their own.

 

[ttmacan]

You experienced smoother shifting from changing out the front and rear diff fluids? Why do you think that would affect the transmission performance? Not being the "know it all" here, always willing to learn from others.

Sorry for the confusion, I replaced all the fluids at once, trans, clutch, front rear diff and transfer case. After this everything was smoother.

 

[ttmacan]

The front diff fluid is shared with the actual gears in the PDK (this is separate from the clutch fluid in the PDK, which is the transmission fluid that is normally changed at 40k miles).

Yeah front diff fluid (mtf) would make it drive smoother. Rear diff would not affect shifting.

 

[ttmacan]

Yes the clutch oil is separate and the front diff and trans gears share the gear oil.