whatsthegoodword

I have changed the ATF with pentosin and audi's ATF at the dealer.

Now I would like to know about the rest of the driveline. I have g52 145 a2 (not for atf or manual trans) gear oil ready to go into the rear diff. Does the automatic on a 97 quattro have center and front diff fluid or does it share ATF fluid with the transmission? Can i use my g52145a2? I know manuals use gear oil, what about autos?

And if someone knows the fluid capacity and locations of the drain plugs (if the center and front diff use gear oil), this would be appreciated, thanks.

JAFO

iirc the atf needs to be sucked up through a combo fill/drain plug.

whatsthegoodword

where are the drain holes, and do they use the same g52145a2 gear oil that the rear diff uses?

JAFO

the center diff looks like a tail extension on the trans the fill plug is centered front to rear halfway up the right side on this area. the drain is center bottom towards the front of this tail extension. the front diff holes are kind of incorporated into the right side axle flange. make sure you can get the fill plugs out before you drain them. you fill both to the bottom edge of the fill holes. the front diff will not accept fluid quickly so put a little bit at a time over 10 min or so.