Why Does My Pressure Washer Pump "Chatter"?
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Why Does My Pressure Washer Pump "Chatter"?
A "chattering" pressure washer pump can be caused by many things. You could have a bent or damaged inlet line, or the water supply might be too low. Fixing these is simple, but checking on the water supply is critical. Never let the water supply run low for any extended period of time. Other causes of a chattering pump include water that is too hot, you may have air in the pump system or a stuck float valve. A power washer pump that is vibrating, but not chattering could be the result of air in the system or debris stuck in the valves. Catching these pressure washer problems early and knowing what causes them will save you a trip to the repair shop, especially when it comes to the low-water issue.
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