I have a Polaris 3900 that has started making a very high pitched squeal. The noise comes from the cleaner itself. Not check valve or filter. Only hear the noise when running the cleaner pump. I've attached the following video letting you hear the noise. Any ideas what it could be?
https://www.youtube.com/watch?v=ekalt6msYVw
Thanks for your help!
-Dan
https://www.youtube.com/watch?v=ekalt6msYVw
Thanks for your help!
-Dan