To dream that you are repairing something denotes a journey to recovery from a very unfortunate and upsetting real-life situation. Consider the item under repair since it stands for the problem at issue.... Dream Symbols and Analysis
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.... Ariadne's Book of Dream
Look to see exactly what gets repaired in your dream. This can symbolize your body, mind, or spirit, or alternatively, a situation or relationship that needs mending. Usually repairs on a house equate to the self, whereas repairs to objects may be less personal in meaning.
The quality of the repairs performed here is also important. If, for example, a castle wall is patched with faulty materials and begins immediately to fall apart, this can reveal a halfhearted truce on the home front, or a makeshift cure for a malady that only covers symptoms.... The Language of Dreams