Nevergreen Pools provides pool pump repair in Mesa, covering shaft seal leaks, noisy or failing bearings, motors that hum or won't start, lost prime, cracked pump housings, clogged impellers, and air leaks at the pump lid o-ring.

Call us if the pump is grinding, squealing, or rattling when it runs, if it hums but the shaft never turns, if water is pooling under the motor or weeping from the seal plate, if the returns are putting out a weak stream or no flow at all, if the pump loses prime and needs re-priming every day, if the breaker trips every time the pump kicks on, or if the pool has stopped circulating and the water is starting to cloud or turn green after a storm.

We serve Mesa in partnership with Beyond Pool Cleaning, a pool service company based nearby. Call to get a technician scheduled, or book your first visit online.

Diagnosing the Pump

The first sign is usually in the water, not on the equipment pad: the return jets slow down, the surface stops turning over, or the water starts to haze even though the pump sounds like it's running. That's where the visit starts. We check whether the pump is actually priming, since a cracked lid o-ring or a loose drain plug will pull air into the line and keep the basket from staying full, and a pump that won't hold prime will run dry and burn out fast. We pull the pump lid and basket and check for a clog at the impeller, since palo verde pods, palm fronds, and citrus debris are common intake blockers here, especially after a monsoon blows through. If the motor hums but the shaft doesn't turn, that usually points to a bad start capacitor, which is a straightforward swap. If the motor won't hum at all, we check the wiring and the motor windings before assuming it's dead.

Bearings that have gone bad announce themselves with a grinding or squealing noise that gets worse over time, and once bearings are shot, the motor needs to come off. Water weeping from the seal plate at the base of the motor means the shaft seal has failed and is letting water into the motor housing, which will take the motor out if it runs long enough. A cracked pump housing, usually from age or from freeze damage that shows up when the crack finally lets go under pressure, can't be patched and means a new pump.

Whether we swap the motor or replace the whole pump depends on the pump's age and condition, not just what failed. A newer single or two-speed pump with a good housing and impeller is often worth a motor swap if the seal and bearings are the only problem. An older single-speed pump, especially the original 1970s and 1980s units still running on some pools in west and central Mesa, usually isn't worth repairing piece by piece, since the housing, seal, and bearings tend to wear out close together and a new motor on an old housing is a short-term fix. On pools already running a variable-speed pump with automation, we replace with a matching variable-speed unit and reprogram the speeds for filtration, cleaning, and any water features, since a mismatched replacement won't talk to the existing automation correctly. On an older pool without automation, a straight single-speed replacement can make sense, but we'll walk through the operating cost difference before deciding.

• Check the pump for proper prime and inspect the lid o-ring and drain plugs for air leaks
• Pull the basket and impeller housing and clear any clog at the impeller
• Test the start capacitor if the motor hums without turning
• Listen to the bearings and check for shaft seal weeping at the motor base
• Inspect the pump housing for cracks at the volute and unions
• Confirm what the existing plumbing and, where present, automation can support before choosing a replacement