A sump pump or utility water pump that begins making unusual noises—such as grinding, squealing, or loud rattling—typically has only a few weeks to a few months of operational life left. Loud noises indicate advanced mechanical wear, worn motor bearings, or loose impellers scraping against the housing shroud. While the pump may still move water temporarily, these auditory warnings signify impending mechanical failure that will lead to total motor seizure under heavy workloads. Verification: Inspect the pump immediately, test its output with a bucket of water, and prepare to replace the unit proactively.
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