This dream indicates that you are recuperating from something that saddened you in the past. You are in a period of renovation. The object that you are repairing symbolizes the thing that you need to overcome.
According to some beliefs, mending clothing that you wear in dreams foretells bad luck.
[1]Dreaming about repainng something may comment on the need to fix an area of your life. Repairing a vehicle in a dream may represent the need to heal physically as a priority. Repairing plumbing represents facilitating the flow of energy through the body by unblocking the flow or fixing some leak.
[2]