Thread: 94 Sl750 Grinding Noise
08-27-2007, 12:25 AM #1
94 Sl750 Grinding Noise
Recently my 94 750 has developed some sort of intermittent grinding noise. It usually happens during acceleration, and really echoes through out the whole hull. It sounds as if the hull was scrapping against the rocks or something. It started a week ago, and now it seems to be getting worse. It only occurs at certain RPM ranges, and then goes away. I have a new coupler and driveshaft in it. Could it be the pump bearings?
08-27-2007, 06:10 PM #2
Ouch, tough call. I would say that it is most likely a bearing, but as to which one???? The pump bearings are cheap. I would start there.
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