@JimmyL:

Nice! That's close to freezing. Wow.

So I bought two cans of Freeze 12 today. Out of Pep Boys, Harbor Freight and Kragen, only Kragen had any Freeze 12. And they had 2 cans.

Now I need a proper fitting to puncture the cans and secure the charge! I called around to lots of places- only Napa Auto of Oakland has the fitting at all- and it's only available for overnight order. Planning to do that tomorrow.

Seems these old R12 systems and their associated tech are hard to come by... At least around here.

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1982 240D 4spd, 327,000mi