Window Regulator | Window Motor | Video of the Window Assembly


In cars with power windows, the window regulator is powered by an electric motor, called the window motor. In some cars, the window motor comes with the window regulator as one unit; in others, the window motor can be replaced separately.













Motors can overheat due to internal problems. When this happens, the motor does not have the sufficient power to raise, or sometimes lower, the window. As soon as the window motor cools down, the window will raise and lower again for a time until the motor overheats again. Sometimes a window may only travel a very short distance before the window motor overheats.


In some vehicles, the motor and regulator can be replaced independently; however, in most cases, the motor and regulator are only able to be replaced as a complete assembly.


As the window motor turns, it rotates a large pulley which guides a cable, raising or lowering the window.


A broken window clip causes the window to be stuck in an angled position inside the door.



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