I am looking for an A/C system for my 240.

Does anybody know the 'A/C evolution' of the Volvo 240.

what changes were made and when.

I have been offered a system from a 260 '81, seems a bit old. Will such a system be working as good as the ones from the last years of the 240.

malnitz

The factory AC sticker underhood on son's 81 states that different quantities of refrigerant are required for the 4cyl and 6cyl systems - so the 260 has something going on that might not make it a bolt-in on a 4cyl. I would certainly think that hoses and maybe compressor would be unique to the 260.

I'm aware of three "generations" of 200-series AC: the systems in our 81 and 83 which are R-12 and use the old York compressor, the systems on the B230 (85-up) engines with the rotary compressors and R-12 and (I believe) better evaporators, and the 1993 with the R-134a systems. With the 86-92 systems, the cost and complexity of converting to R-134a is quite reasonable.
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Bob (son's 81-244GL B21F, dtr's 83-244DL B23F, 'my' 94-944 B230FD; plus grocery-getter Dodge minivan, hobbycar 77 MGB, and numerous old motorcycles)