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Old 04-30-2011, 04:47 AM   #8
jleonard
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RE: Impeller stuck in Sherwood raw water pump housing

Spraying with WD or your choice of lube then pushing it in, then using the bolt extracting method should work. Might have to do that a few times. It is also possible that the bolt is pushing the key and that is jamming the impeller on the shaft. I had ground the bolt shank to put a chamfer so the diemeter was less than the shaft diameter and would not touch the key.

You might try that.

If not then take the whole pump off and work on the bench.

You'll have to remove the engine mount to get the pump off. Easy job. I did it and it takes "maybe" an hour providing you cann get a small hydraulic jack under the front of the oil pan...use a block of wood on the pan, jack to support only.

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