Why did the motor get so loud on my vacuum?

Answer: - Check all filters. The inner, outer, and post-motor filter for any debris. Also the upper tank primary separator. All the filters can be hand washed in warm tap water and mild detergent. Make sure filters are completely dry before reusing. If you continue to experience difficulty with your machine, please contact BISSELL Consumer Services at 1-800-237-7691 Monday through Friday from 8 a.m. to 10 p.m. or Saturdays from 9 a.m. to 8 p.m. ET.