Details

• Brand:

  

  

• SKU:

  WM-985

• Positions: Rear
• Other Names:

  Motorcraft™ Back Glass Wiper Motor, Motorcraft™ Rear Motor, Motor Assembly Wiper

• Description:

  This Genuine Ford back glass wiper motor drives the rear window wiper on 2018 through 2024 Expedition and Navigator SUVs. Listed by Motorcraft as WM-985, it is the electric motor and gear assembly mounted at the liftgate glass that swings the rear wiper arm across the back window to clear rain, road spray, snow, and dust for a clear view through the rear glass and backup camera sightline. It powers the wiper on demand and returns the arm to its rest position when switched off. Owners typically shop for this motor when the rear wiper stops moving, sweeps slowly or intermittently, jerks or stalls partway across the glass, parks in the wrong spot, or hums without moving the arm. Those symptoms usually point to worn motor brushes, stripped internal gears, a failed park switch, or a seized shaft rather than a blade or fuse issue, since a failed motor leaves the rear arm dead even with power at the connector. Replacing the motor restores rear visibility and proper wiper parking. Installation involves opening or removing the liftgate trim to reach the motor, disconnecting the electrical connector, removing the wiper arm and mounting nut, unbolting the old motor, and fitting the new unit in the correct park position so the arm sweeps and rests properly against the glass. Genuine Ford construction keeps the mounting, output shaft splines, and connector matched to the factory liftgate so the arm indexes correctly. This Motorcraft assembly is the correct replacement for a failed original rear back glass wiper motor on the applicable Expedition and Navigator models.

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