The one that came back after a year had a locked up clutch. The compressor would still turn fine. In addition, the compressor with the locked up clutch did not even have an "x" on it.

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Jim

How difficult is it to reconfigure the GM style compressor for the Mercedes so that the X will be in the proper postion . I assume you at have to remove the clutch but do you have to remove the front seals to rotate the front cover 180 degrees ? It seem like a much less costly option if this job is easy to do since the GM style are plentiful and I have seen NOS prices are under $100 .

Also I tried to loosen clutch retaining nut on my dead R4 Harrison 327 compressor with a number of different brands of sockets . I could not get the sockets to fit because it seems their walls were too thick . What size is the nut What tool works here ? I will then use the Autozone loaner clutch puller to get the thing off so I further disassemble the compressor to see how it is put togther .

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