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https://honolulu.craigslist.org/oah/cto/d/honolulu-2004-audi-rs6-mtm/7675127031.html

https://www.gruvenparts.com/4-2l-audi-vw-billet-oil-cooler-tube/
The plastic pipe just disintigrates after years of use, it's only about 2" long. There are of course the hoses that go to that...

Did you ever replace the cheap OEM small Coolant pipe between the Coolant to Oil exchanger with an Aluminum Bufkin pipe? If that is leaking it is an engine pull or at least an engine drop of almost...

I don't think you'll have much of a choice but to drop the engine/transmission for the oil return line. You may be able to get away with just lowering the whole assembly down 6~8" so you don't have...

Steve Ken is the man, if he doesn't answer this post he's on Audizine sometimes.

Final Drive, Automatic Transmission, Checking Oil Level and Filling
FWD and AWD

– Remove filler plug for fluid fill opening (arrow).
– Check fluid level: fluid must be filled to...

Probably going to need to find a ZF rebult unit as it looks like Audi has discontinued the part. But it is a standard ZF design so I'm sure the parts availability for rebuilding from ZF and other...

https://www.urotuning.com/products/power-steering-pump-audi-a8-a6-s8-s6-rs6?variant=42289818206401
Don't know anything about the quality of Cardone rebuilt products but this is pretty cheap.

Right off hand I think I have the Apikol mounts myself. I know I have the Stearns engine mounts. I have the softer street version transmission mounts. Between the Stearns and the Apikol mounts there...

Not sure if there is enough room to raise the transmission itself enough. Can partially raise the transmission and just lower the back of the cradle an inch or two. Just loosen the front cradle bolts...

Should be no problem, just check the downpipes clearance. I have Miltek downpipes and can't remember if the OEM downpipes give any clearance issues getting the brackets off.

Well, I'd think with the Wagners it would be running cooler. I'd imagine your Stg3 2.7t has aftermarket Intercoolers too?

That's a good question. I am 2k miles away from my car but I'll have to log the temps when I get to it. I'll have to log the temps on my '13 S5 3.0 Supercharged Stg2+ and see how they're doing. I do...

Yes if it's an Auto, if it's a 6spd you can probaby pull just the transmission. Sorry, my post above was a little misleading when I just said a transmission pull. With the Auto you have to take them...

Should be fine. You just helped rust proof your car. With the oil cap back on you can spray some brake cleaner around the area, it does a good job of cleaning up the oil residue and evaporates fairly...

cheap one on sale from URO tuning.
https://www.urotuning.com/products/power-steering-pump-audi-a8-a6-s8-s6-rs6?variant=42289818206401
Audi claims to have discontinued the pump and some of the hoses...

Looks like it would be Ok oil but only meets the minimum 505.01 specs. 505.01 calls for a minimum HTHS (High Temp High Shear) of 3.6 and the Valvoline is spec'd at 3.7....

https://www.ilcats.ru/audi/?function=getParts&market=USA&model=RS6&modelcode=290&year=2004&group=4&subgroup=422&part=422070&clid=8158&pid=3181&language=en

19726
PS pump seen from front in the service position. Hate to be the one to say it but if the rack has to come out I think it's an engine drop or at least need to lower the assembly at least 6"....

Probably want to hold off a little while depending on how bad the leak is if it's the rear main seal. Obviously it requires a transmission pull to get at. Just keep an eye on your oil level. I...

Looks real clean and with the low mileage and recent service it should sell. If I wasn't getting rid of a few cars myself for a long distance move soon I'd be interested in adding a second one.

How many total miles on the car? Appears either the timing belt is off a notch or more or if the timing chains have been replaced recently one is possibly off a tooth. If it is a real high mileage...

For the Swaybar links you are talking less than $40 in parts from FCP Euro (Lifetime guarantee) and they are a pretty easy install. 16mm wrench for the upper bolt to strut and something similar +/-...

Just searched "Audi Coolant circulation Valve". These look like they use the same plug and have the same size inlet/outlet. The mounting is different and you would have to fabricate a bracket but...

Definitely have to take the wheel off to get to the fill plug. I use one of those MityVac vacuum suction tools to get the fluid out. Probably about time to do mine again.