An overhead garage door has to be repaired when there is a damaged or malfunctioning component of the door's system. Wood panels can decay while metal ones can rust. In both cases, the damaged material is removed and any holes are filled. The application of paint is required for protecting the fixed panels. Glass panels can get broken. In such cases, they have to be replaced.
The most common issue with the metal garage door parts is rust. In such cases, the overhead garage door repair involves the removal of rust with a solvent and the application of lubricant. If a metal part such as a spring, cable, hinge or roller gets broken, it is replaced with a new part which has the same specifications. Bent garage door tracks require fixing or replacing depending on the severity of the problem. The garage door openers can suffer from broken moving gear and damaged circuit board. In both cases, replacement of the part is needed.