FAQ Search Select a Category Cleaning Formulas Cleaning Tips Corporate Deep Cleaners FAQ Hard Floor Cleaners Parts and Accessories Steam Sweepers Vacuums Warranty Web Site and/or go My PurePro® is making a high-pitched screeching noise when using the hose. What should I do? Answer: 1. Check the lower hose and base of the vacuum for clogs. See our “clearing clogs” FAQ for more details. 2. If the vacuum is still high pitched, please take your vacuum to a technician. You can find your nearest BISSELL® Authorized Service Center by clicking http://canada.bissell.com/support/product-support/service-centers or by calling 1-800-263-2535, available 24 hours a day.