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Old 07-31-2013, 03:21 PM
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Graplr Graplr is offline
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Join Date: Apr 2007
Location: Huntington Beach, CA
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AC Clutch or Compressor Replacement?

R4 Compressor - YouTube

This is on my 6.5 diesel but it is an R4 compressor.

My AC system has had various leaks during my ownership. It seems I finally got those leaks fixed as it has held pressure for almost a month now. But now the other day my AC stopped working. I noticed when the AC button is engaged the clutch spins intermittently. With the engine off I spin it by hand and it is tight. There is enough of a refrigerant charge so that is not the issue (as you can see by looking at the gauges in the video).

I hate to open up the system now that I have the leaks resolved but obviously I will if it needs compressor replacement. Do you think I could get away with just replacing the clutch?

To me, something appears warped. It looks like the clutch as you watch the video with it partially spinning you can see the gap with the pulley getting larger and smaller.

What do you think?

Thanks!
Ryan
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2009 ML320 Bluetec
1985 300CD
1981 300TD


Past Mercedes
1979 300TD
1982 300TD
2000 E320 4Matic Wagon
1998 E430
1984 300SD
1980 300SD
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