Remove the door trim panel and watershield. Raise the glass to within one inch of the top of the door opening, then tape it in place. For power window models, disconnect the negative battery cable. Remove the regulator bolts and detach the lift arm roller from the glass. Rotate the regulator and lift it out through the opening in the door. For C and Y body, remove the exterior mirror trim cover, door trim molding, and window glass. Remove the nut holding the cable retainer to the door, then slip the cables out from behind the retainer. For power window models, detach the cable retainers from above the speakers. Remove the retaining bolts and nuts, detach the regulator, and lift it out of the door. For the rear door on A body, raise the window glass up six inches into the window opening, then grasp the glass securely and pull the front edge up sharply to detach it from the lower glass guide. Remove the window regulator-to-door bolts and slide the lift arm roller out of the window lift channel. Raise the glass to within six inches of the top of the door opening and tape it in place. Rotate the regulator and lift it out through the opening in the door. For C and Y body, remove the bolts from the regulator, slide the lift arm roller from the lift plate channel, then separate the regulator and lift it out of the door. Installation is the reverse of removal in all cases.