7 Signs Your Pool Pump Needs Repair or Replacement

By the BlueIQ Pools team ·

Your pool pump is the heart of the system. When it struggles, water quality drops fast. Watch for these warning signs.

1. Screeching or grinding noises

Usually worn motor bearings. On an older motor it is often time to replace the motor or the whole pump.

2. The pump hums but will not start

Commonly a failed capacitor or a jammed impeller. Turn it off - running a stalled motor can burn it out.

3. The breaker or GFCI keeps tripping

Can mean a motor short, moisture in the wiring or a failing GFCI. This is a safety issue and needs a professional.

4. Low flow or low filter pressure

Check pump and skimmer baskets first. If clear, the impeller may be clogged or there may be an air leak on the suction side.

5. Air bubbles in the pump basket

Often a worn lid O-ring, loose fitting or low water level.

6. Leaks around the pump

Water between the motor and the pump usually means a failed shaft seal. Replace it quickly before water reaches the motor bearings.

7. Rising electric bills

An older single-speed pump can be one of the largest energy users in a home. Upgrading to variable speed often pays for itself.

Repair or replace?

If the pump is relatively new and the issue is a seal, capacitor or impeller, repair it. If the motor has failed on an older single-speed pump, replacing it with a variable-speed model - ideally connected to automation - is usually the smarter investment.

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