Thread: Air Pump noisey
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Old 11-12-2002, 10:17 PM
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420benz 420benz is offline
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Air Pump noisey

The air pump on my 89 420 sel which works like an a/c compressor using a clutch to ingauge the pump.The clutch is only inguaged for about 2 min. and releases.During inguagement it makes a very loud noise,when not inguaged the noise stops.Apart from just pulling the plug and disconnecting the pump altogether, can this pump be rebuilt or is it on its way out?
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