I've spoken with the shop and they refuse to touch the car again, claiming expired warranty... the fact is, they know they botched the job in a serious way, and want nothing more to do with my poor car. I'm just glad that everything is back to normal. After a 2 hour trip to see my girlfriend, it was smooth as glass and not so much as a hiccup when shifting.
I also threw some Lucas additive in there when I topped it back up, so that probably helps too.
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