When I was ready to start draining oil, I remembered I threw away my old oil pan because it got really nasty, so I had to bike over to Pep Boys to get a new one.
When I removed the differential plugs, I mangled the crush washers, so I decided to get new ones for everything. The transmission, engine and two differential washers are all the same.
|Not Audi parts.|
This demonstrates why a coolant flush was probably due. I replaced the thermostat and gasket while I was at it.
Everything went pretty smoothly, but it was quite a bit of work. These weren't the most glamorous projects, but I won't have to do them again for quite a while.