Adjust the height of the vacuum using the height adjustment knob on the base. Raising the base slightly should make the vacuum easier to push.
If this doesn’t work, 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.