Pressure washer repair guides
These repair guides can help you get your pressure washer blasting the dirt away once more. Get step-by-step instructions for completing pressure washer repairs such as replacing the pump and installing a check valve kit. Check out our pressure washer repair help section for maintenance tips to help keep your machine working efficiently.
Our troubleshooting advice covers brands such as Craftsman, Coleman, Snapper and Troybilt. Once you figure out the problem, search your model number for a complete list of replacement parts and order the part you need.
These step-by-step repair guides will help you safely fix what’s broken on your pressure washer.
The unloader valve recirculates water to protect the pump from damage. If the unloader valve is defective, replace it using the steps in this repair guide.
Air in the inlet water supply can damage the check valves. If the pump won’t build up pressure due to damaged check valves, follow these steps to replace the check valves.
The pump can be damaged by air in the inlet water supply or by chemicals that remain in the pump body after using the chemical injection system. Follow these steps to replace a damaged pump.
The chemical injection valve draws detergent into the pump. If it’s not drawing detergent, use a repair kit to replace the chemical injection valve.
O-rings seal fittings on the pressure washer pump. Damaged seals allow water to leak from the pump. Follow these steps to replace the O-rings in a leaking pressure washer pump.
Learn how to get the best results when using a pressure washer.
Spray tips vary in pressure and angle of spray. This guide matches the spray tip to the cleaning job.
Follow this advice to winterize your pressure washer.