Abstract: The apparatus disclosed is a replacement of existing garage door tracks and a new and unique way to change garage door rollers, panels and guide track roller mounts. Said rollers of prior art have to have the track bent or removed. This task is simply too dangerous for the average homeowner and requires special tools. Said APPARATUS FOR REMOVAL AND REPLACEMENT OF SECTIONAL DOOR ROLLERS IN SITU allows said artisan to remove and to replace said guide track rollers without exposing oneself to the dangerous conditions currently used. Said APPARATUS FOR REMOVAL AND REPLACEMENT OF SECTIONAL DOOR ROLLERS IN SITU allows the homeowner to position said guide track rollers adjacent to either said slot or said hole, remove said guide track roller retaining clip and remove the entire said guide track roller in one piece.