Some 2015-2018 F-150, 2017-2018 F-Super Duty, 2018 Expedition/Navigator vehicles equipped with a vista roof opening panel may exhibit binding while opening or closing of the movable glass panel. The roof opening panel glass brackets are available for service. Both brackets must be replaced, FL3Z-1651070-A right side and FL3Z-1651071-A left side. Refer to Workshop Manual (WSM), Section 501-17 for removal and installation procedure. For claiming, use causal part 1651070 or 1651071. Use part number 51070 to look up applicable labor operations, listed in Section 12 of the Service Labor Time Standards (SLTS) manual