Pool and Spa
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The load whining noise is usually the bearings and or wingdings inside the motor rusting. Now you can find a place to rebuild your motor and they will replace the winding's and bearings or buy a new motor and you will be fine. The pump seals probably started to leak water into motor and it went from there.
I only see that I sent you a response but you should accept the first response you received to be fair so that us experts get the credit for the answer.