Why Is My Pool Pump Making a Loud Noise?
Pool pumps normally make some noise, but grinding, screeching, rattling, humming, or suddenly becoming much louder than usual can be a sign that something isn't right.
Possible causes can range from debris and vibration to restricted water flow, air entering the system, worn bearings, cavitation, or problems with the motor.
Pool owners: What kind of noise was your pump making, and what turned out to be the problem?
Pool pros: Which pump noises immediately tell you something needs attention? What should a homeowner safely check before calling for service?
If you're troubleshooting your own pump, include the pump model, approximate age, and a description or video of the sound if possible.
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