Sounds like a window regulator (the part that the motor connects to). As the motor turns it raises or lowers the regulator, which is attached to the glass itself.
95 Contour Zetec, ATX (wrecked, sitting in the barn)
95 Mystique Zetec, MTX
2000 Taurus SEL 3.0L Duratec
1994 Crown Victoria LX 4.6 V8
1993 Chevy Silverado 4.3 V6
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