Why does my ceiling fan wobble? What can I do to fix this?

Start by turning the fan off at the breaker. Check to see if it's securely attached to the ceiling. If loose, tighten the screws that support it at the ceiling, and see if the ceiling box itself needs reinforcement. Next, make sure the screws that attach the blades to the blade mounts and the mounts to the fan motor are tight. If the fan still wobbles, check the blade alignment: Hold a tape measure or yardstick against the ceiling, even with the end of the blade, and rotate the fan by hand to see if each blade measures the same distance. If one of the blades is off, slightly bend the metal blade mount to align it. If that doesn't fix it, the blades are either warped and need to be replaced, or they are out of balance. Balancing kits -- which include weights, a testing clip, and detailed instructions -- are available at home centers.

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