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Screwy ac clutch 900 1993

posted by  Rludwick on  Wed Aug 25 12:10 CST 2004
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last visit: Sat Aug 31 16:10 CST 2013
[RELATED]

The AC compressor clutch stopped working today on my '93 940t.
I checked for juice at the wire going to the clutch...12volt, jumped a wire directly from the battery hot to the other section of wire continuing to the clutch and it engaged the clutch.
I cleaned the connector and put conductive grease in it and put it back together.... no clutch.
Then after going through this whole routine a number of times I noticed that when I re-attach the wire connector the engine seems to drag down a bit and when I pull the connector apart, the rpms jump up for a few seconds before settling back down, like there was an excessive draw on the alternator when connected.

Am I looking at an internal clutch failure or could I be missing something here?

Thanks---------
--
-------Robert, '93 940t, '90 240 wagon, '84 240 diesel (she's sick) , '80 245 diesel, '82 Mercedes 300SD






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