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Old 04-24-2013, 06:34 PM   #4
darknight
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Join Date: Apr 2013
Location: Wisconsin
Posts: 62
Garage
Quote:
Originally Posted by evo-r View Post
No, the fluid didn't smell burnt. I'll bring it to my local shop next week. One thing I noticed is that it only leaks (minor) when the car was driven and the leak stops once it's parked. Any insight on this scenario?
Thanks for any input
If I were a betting person, I would put my money on the output shaft seals. I have never taken a Porsche tiptronic apart; however, I have had several 5HP24A's apart and the methodology between the two should be quite similar. The 5HP24A was a common transmission in late 90's early 00's 4.2 L AWD Audi's.

I purchased my daily driver (1999 A8 4.2) with 203,000 miles, all on the original transmission fluid and filter. What amazed me about ZF, when I changed the fluid and filter, was how clean the visible internals were (as pictured below), especially considering how dirty the original fluid was (notice how dark the dripping fluid is). New ZF fluid almost looks like a wheat beer in appearance.

Once the car is on a lift, it should become apparent where the fluid is coming from. It will then be a matter of sourcing the correct parts, including fresh fluid, filter, and pan gasket, and performing the repair/refill. To ensure the life and health of the tranny, I would highly recommend replacing this fluid and filter every 50k, after you get everything sorted out.

Good luck and let us know how it turns out.

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