Motor makes loud nois and gets very hot.
SOURCE: pump motor makes loud noise when pump comes on
If this is a high pitched sound, then this sounds like you have bearings that are starting to go out. There is not much that you can do to prevent eventual failure.
The only other option that I see is that there is something causing friction inside the pump between the impeller and diffuser.
SOURCE: noisy pool hayward pump
Dont run pump any longer. Could damage it further. Recommend overhaul at qualified well established pool repair shop. If unset of noise suden probally somethign stuck. If onset of noise gradual probally bearing. Kirk
SOURCE: Hayward Max-Flo pump: Need to separate pump from motor
Remove the back cover from the motor, lock the shaft in place, thread off the impeller.
SOURCE: 2 yr old inground pool Hayward pump louder than
If there is air in the pump it cavitates and can make it run louder, otherwise it is the bearings in the motor.
SOURCE: my hayward northstar pump makes a loud noise when
If you have a crack in your basket you may have a clogged impeller. With the power off reach back into the pump through the pump pot with a long screwdriver and feel around. If it feels spongey it there you have a clog. Take the serew driver an use an oceleting motion in a counter clockwise direction this should loosen the clog then reach in with a long set of thin pliers and pull the clog out. This should fix your problem and once water is flowing your pump should quiet down.
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