Use a long screwdriver and listen for the bad bearing. Hold the tip on
each end of the pump casting, holding the handle against the bone next
to your ear. and one will have a grumble if the bearing is going.
You can usually get the inner impeller housing and pump motor part off
without disturbing the plumbing by separating the impeller housing.
You can either replace the bearings yourself or take it to a
moror/pump shop. If you do it yourself buy a seal kit too. The pump
should last another 20 years with new bearings and seals..
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