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Colleen BrownAug 10, 2025
How to fix a noisy Parker P1/PD?
- Aangela11Aug 11, 2025
A noisy Parker Water Pump can be caused by air in the fluid or cavitation in the rotating group. If air is the issue, check for leaks in the inlet line, ensure the fluid level isn't low, avoid turbulent fluid, ensure return lines are not above the fluid level, check for gas leaks from the accumulator, avoid excessive pressure drop in the inlet line from a pressurized reservoir, and ensure the inlet line strainer isn't acting as an air trap. If cavitation is the problem, the fluid might be too cold, viscous, or heavy; the shaft speed might be too high; or the inlet line or strainer might be too small or dirty. Also, consider if the operating altitude is too high or the inlet pressure is too low. Misaligned shaft, mechanical fault in pump can also be the cause.