A healthy pool pump makes a steady, low hum. When the sound changes, the pump is telling you something is wearing out. Catching it early is usually the difference between a repair and a new pump.
What the Noise Is Telling You
- Screeching or grinding: the motor bearings are worn. This is the most common pump failure, and it gets louder until the motor seizes.
- Humming but not starting: the motor is trying to turn and can't. It may be a failed capacitor or a seized motor.
- Rattling, like rocks in a can: the pump is starved of water, or debris is caught inside it.
- Gurgling or sucking sounds: air is getting into the system through a low water level or a leak on the suction side.
- A loud vibration: the pump has come loose from its base, or something inside is out of balance.
Why You Shouldn't Run It That Way
A pump with failing bearings runs hot and draws more power until the motor burns out. A pump that is starved of water overheats and can melt its own seals and fittings. Either way, running it for another few weeks often turns a repair into a replacement.
If the pump is hot to the touch, smells like burning, or trips the breaker, switch it off at the breaker and leave it off.
Repair or Replace?
It depends on the age of the pump and what has failed. A newer pump with a single bad part is usually worth repairing. An older single-speed pump is often better replaced with a variable-speed model, which costs far less to run through a Texas summer. We'll tell you honestly which makes sense for yours.
What We Check
We look at the motor, seals, impeller and baskets, check for air leaks on the suction side, and make sure the filter isn't the real cause. You get a firm price before we do any work.
Pump sounding rough?
Don't wait for it to quit in the middle of summer. Call and we'll take a look.