Incompetency Rules the Day
They claimed the diff was leaking from the vent tube. They remedied by attaching a hose to the vent and routing it up into the fenderwell. The claim is that 90% of the leaking diffs on the '04 Z's is the vent, so they cleaned up the mess underneath and I'll monitor to see if this fixes the problem.
I do like the idea of the post-it stuck to the dash! I'll remember that next time. FLYNBYA, I won't mention any names, but let's just say your guess puts you in the 99th percentile. Where do you take your ride for service? If my car wasn't under warranty, I'd fix it myself!





