Noisy pump

Jun 22, 2016
55
Toronto, Ontario
I have a 1 HP Hayward pump. This year I replaced the GFI power receptacle that the pump plugs into. I don't if it is in any way related to this, but this summer the pump is much louder than I remember. Any opinions on what might be causing this? The pump seems to work OK, just noisy.
 
Is there air in the pump basket? What kind of noise?

Typically, a noise pump is motor bearings.
 
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