Why Is My Pool Pump Making a Loud Noise?

If your pool pump is making unusual or loud noises, it’s often a sign that something isn’t working as it should. Different sounds can point to different causes, and identifying the type of noise is the first step toward resolving the issue.

This guide will help you understand common pool pump noises, what they mean, and what steps you can take to address them.

Common Pool Pump Noises and What They Mean

Different sounds can indicate different issues with your pump or circulation system.

• Humming: Often related to motor or electrical issues
• Squealing or screeching: Typically caused by worn motor bearings
• Grinding: May indicate internal damage or debris in the pump
• Gurgling or sucking sounds: Usually caused by air or low water flow

If Your Pump Is Making a Humming Noise

A humming sound usually indicates the motor is receiving power but not turning properly. This can happen if the motor is struggling to start or something is blocking movement.

Common causes include:

• Tripped breaker or electrical issue
• Jammed or obstructed impeller
• Motor starting issues

Try the following steps:

1. Turn off power at the breaker
2. Check for debris in the pump basket and impeller
3. Restore power and restart the pump

If the motor continues to hum without starting, it may need professional inspection. :contentReference[oaicite:0]{index=0}

If Your Pump Is Making a High-Pitched Squealing Noise

A squealing or screeching sound is commonly caused by worn or failing motor bearings. This can happen over time due to heat, wear, or moisture entering the motor.

In most cases, this issue requires:

• Motor repair or bearing replacement
• Or replacement of the pump motor

If Your Pump Is Making a Grinding Noise

Grinding noises may indicate debris inside the pump or internal component wear.

Possible causes include:

• Debris caught in the impeller
• Worn internal components
• Damaged motor parts

Turn off the pump and inspect the pump basket and impeller area for obstructions. If the noise continues, further inspection may be needed.

If Your Pump Is Making a Gurgling or Suction Noise

Gurgling or sucking sounds usually mean the pump is not getting enough water flow.

Common causes include:

• Low pool water level
• Air entering the system
• Clogged skimmer or pump basket

To resolve this:

1. Ensure the water level is at least halfway up the skimmer
2. Clean skimmer and pump baskets
3. Check pump lid and connections for air leaks
4. Prime the pump if needed

Insufficient water flow can cause the pump to run inefficiently or overheat if not corrected. :contentReference[oaicite:1]{index=1}

General Maintenance to Prevent Pump Noise

• Keep skimmer and pump baskets clean
• Maintain proper water level
• Ensure all fittings and connections are secure
• Run your pump regularly for proper circulation
• Inspect your pump for early signs of wear

Routine maintenance helps prevent many common issues that lead to pump noise and reduced performance.

When to Contact Support

If your pump continues to make loud or unusual noises after basic troubleshooting, it may require repair or replacement.

📞 Phone: 800-574-7665
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