Why is my Craftsman 580.672200 pump not building pressure?
- CCarol CareyJul 31, 2025
If the Craftsman Pressure Washer pump fails to produce pressure, exhibits erratic pressure, chatters, loses pressure, or has low water volume, there are several potential causes. First, ensure the nozzle is in high pressure mode by pulling it backward. Check for and clear any blockages in the water inlet or high pressure hose. Make sure the water supply is adequate and not exceeding 100°F. Straighten any kinks or patch leaks in the inlet hose. Inspect and clean the inlet hose strainer and the nozzle. If the gun leaks, it may need replacement. If none of these steps resolve the issue, the pump may be faulty, and it is recommended to contact a Sears service facility.