chet

I want to change the gear oil in my 95 tiptronic differential, but I haven't found much in the way of instructions. I am looking at PET illustration 320-03, and it looks like #19 in the illustration is the drain plug, but I'm not sure where to put the oil in. I am going to try to attach the illustration. Is the plug at #35 the fill plug and is #19 right for the drain?

Dudley

Chet, I think you are on the right track.

Check out this thread :

https://rennlist.com/forums/showthre...t=differential

chet

Thanks for the help. That picture doesn't look excactly like where I was expecting to find the fill plug, but I'm terrible with exploded diagrams. Now all I have to do is get under the car and I'm sure I'll find it.

chet

Post script.
One of the reasons I was trying to find it on the PET was to order a fresh sealing ring for when I do the change. Do you happen to know the part number for the sealing ring for the filler plug and the drain plug?

Dudley

The part number for the seal is 900.123.104.30

One tip (pardon the pun) to finding part numbers is to check in the 964 section of PET. Porsche will sometimes omit part numbers that are carried over from previous models. Hope this helps.

Device2

Did anyone find the part number for that seal it looks like it would be Item#8 on the schematic shown.

P-daddy

^Drain bolt sealing ring?

Device2

Yes sir, the very same one. The drain and fill plug seal I believe after searching that it is this P/N: 90012300730

Device2

Yes sir, the very same one. The drain and fill plug on a 996 Tip.

P-daddy

Same sealing rings as crank case drain bolt and oil tank bolt.