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Leaking 30 Pontiac water pump


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Finish on the new shaft, Over tightening of the packing, Bad clearance on the shaft to bushing, pressure in the system that shouldn’t be there, lack of lubricant, improper coolant.............lots of choices. Usually, poor workmanship is the issue. We usually rebuild pumps using modern ceramic or rubber seals........it costs more, but it’s one and done.

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