[Tom '74 911]

Originally Posted by wilnj

I found these, not sure if this helps.

https://www.golfmk7.com/forums/index.php?threads/coolant-flush.388996/

https://www.vwvortex.com/threads/how-to-flush-the-coolant-mk7-gti.9350297/#post-113751195

Thanks for the links. I'm not plugged into either forum, but that's a great place for me to start...

Originally Posted by Arizona_928

How much oil are you losing?
Coolant in oil?

To do the oil cooler requires one to drain the coolant.

Losing essentially zero oil, not measurable on the dipstick at least. There currently is not a noticeable amount of coolant in the oil... and there wasn't when I brought it in for service 6 months ago either. During the service, the coolant was drained & replaced when the oil cooler was replaced - mentioned that in my original post.