Hi, jeff. This doesn't sound normal at all. At your earliest convenience would you reach out directly to our pressure washing support team at 877-362-4271 or email us at productsupport@simpsoncleaning.com? We would like to learn more about what is going on with this particular unit & explore solutions. Thanks in advance for your feedback & we hope to hear from you soon.

We are glad to hear it, James. It's great to know your 3400 PSI was easy to assemble & has delivered a flawless performance. Show off your work any time by tagging #simpsonclean on social media with your before/after photos and we would love to see the results you achieve. Enjoy your machine & thanks for the positive feedback.

We are glad to hear you've been so happy with the quality & reliable performance of your new 3400 PSI pressure washer. You can show it off any time by tagging #simpsonclean on social media and we would love to see photos of your results. Have fun knocking out your projects - and thanks for reviewing, Oklahomie!

We are so glad to hear your 3400 PSI pressure washer has been a great purchase & delivering the power upgrade you needed, Ninersfan1956. Feel free to show off your work any time by tagging #simpsonclean on social media and we would love to see the results you achieve. Thanks for the review & enjoy that machine!

We're sorry to hear about the loss of pressure Duane, and sad to have missed the opportunity to resolve the issue. Thanks for sharing your experience, and we hope you are able to quickly secure a unit that performs to meet your expectations.

We are so glad to hear you've enjoyed the features of your new 3400 PSI pressure washer & it's been performing to surpass your expectations. You can show off your new machine any time by tagging #simpsonclean on social media and we'd love to see photos of the results you're achieving. Have fun knocking out your projects and thanks for reviewing, Ed!

Thanks for the feedback, MDM979 - we will record your notes on the vibration for our team to consider. Beyond that, it's great to hear you've enjoyed the performance of your new 3400 PSI pressure washer & it has proven itself a good purchase for you. Feel free to show off your before/after photos any time by tagging #simpsonclean on social media and we'd love to see your results. We appreciate you taking the time to share your experience!