If there's enough room, you can try driving backward, but it might yank it loose occasionally. it may be helpful to hit the drum a few times on its face (the flat side where the hub is) with a hammer, as mentioned by others. In most cases, the culprit is a leaky wheel cylinder that lets water in and causes the wheels to become stuck. Additionally, if the vehicle has alloy wheels, washing it might be all that's needed to slightly adhere them. information discovered on our BRAND NEW Escort GTi. At the time, I was employed at the supplying dealership. When it was out of warranty, I decided to do my own inspection (since my boss never assigned me the task). I applied a thin layer of copperslip to the backing plates where the shoes touched, moved the handbrake lever forward on the shoe, and coated it with copperslip. From then on, the fault never reappeared. For a while, I was the only customer at that dealership who had a solution to this problem, and it eventually spread to cars with alloy wheels (presumably because water could more easily enter the drums through the larger holes in alloys). should be kept in mind when driving with alloy wheels