DIY pressure washer repair
Your gas pressure washer gives you the power to blast away dirt, stains and grime from all kinds of surfaces. If your pressure washer isn't getting the job done—maybe the engine won't start or it's not spraying correctly—Sears Parts Direct has the troubleshooting advice to help you diagnose the problem. Check out the symptoms below, and once you figure out what's wrong, our step-by-step repair guides can show you how to replace the parts to get your gas pressure washer working again.
Find out how to prepare your pressure washer for storage, how to choose the correct spray nozzle and get answers to common questions on our articles and videos page. To find the owner’s manual or a complete list of replacement parts for your pressure washer, search for your model number.
Symptoms for gas pressure washers
Repair guides for gas pressure washers
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.
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.
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 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.
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