Pressure washer repair guides
These repair guides can help you get your pressure washer blasting the dirt away once more.
Get pressure washer repair manual instructions for completing common repairs such as:
Replacing the pressure washer pump.
Installing a check valve kit.
Replacing the unloader valve.
Check out our pressure washer repair help section for maintenance tips to help keep your machine working efficiently. Use the advice in the symptoms section to find pressure washer repair manual help for diagnosing and fixing failure.
Once you figure out the problem, search your model number for a complete list of replacement parts and order the part you need.
Our troubleshooting advice covers brands such as Craftsman, Coleman, Snapper and Troybilt.
Repair guides for Repair guides common to all gas pressure washers
These step-by-step repair guides will help you safely fix what’s broken on your pressure washer.
How to install a pressure washer check valve kit
Air in the inlet water supply can damage the check valves. If the pump won’t build up pressure due to damaged check valv…
How to install a pressure washer O-ring kit
O-rings seal fittings on the pressure washer pump. Damaged seals allow water to leak from the pump. Follow these steps t…
How to install a pressure washer chemical injection kit
The chemical injection valve draws detergent into the pump. If it’s not drawing detergent, use a repair kit to replace t…
How to replace a pressure washer unloader valve
The unloader valve recirculates water to protect the pump from damage. If the unloader valve is defective, replace it us…
How to replace a 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 ch…
Symptoms for gas pressure washers
Choose a symptom to see related pressure washer repairs.
Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system fai…
Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine nee…
Main causes: broken recoil spring, damaged recoil starter…
Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, bad unloader valve…
Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stu…
Main causes: damaged recoil starter, oil inside cylinder, locked up engine piston…
Main causes: faulty unloader valve, bad pressure regulator…
Main causes: stale fuel, gummed up carburetor, engine needs tune up, throttle and choke controls need adjustment, bad re…
Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, ba…
Articles and videos for gas pressure washers
Use the advice and tips in these articles and videos to get the most out of your pressure washer.
Spray tips vary in pressure and angle of spray. This guide matches the spray tip to the cleaning job.…
Learn how to solve simple pressure washer problems.…
See what you can learn from the questions that people most often ask our experts about their pressure washers.…