Power window motors are devices that enable you to roll your window up and down without cranking it up and down, by powering a gear that turns and pushes the window up or pulls it down. Raising the windows requires pressure produced to the cylinder by an electric-oriented pump. The centered power contact is linked to two side contacts. When one side button is pushed, it results in power being sent while the other side remains grounded.
When should I replace my power window motor?
You should replace your power window motor if you cannot control your window and you have ruled out other causes for the problem.
What happens if I don’t?
If you do not replace the power window motor, you will not be able to roll your window up and down.
How to do it: replacing your power window motor:
- Remove the panel from the window that is not working. Remove all of the mounting bolts or screws.
- Take the plastic insulation off of the interior of the door and set it aside.
- Trace the wiring from the switch for the window back to the motor and notice the mounting bolt and electrical connector.
- Disconnect the safety clip and take off the electrical connector to the motor.
- Verify that the motor is defective by making sure that the motor is getting voltage at a proper level when you press the switch.
- Remove the regulator from the door and make sure that the window is not going to move or fall.
- Take off the mechanism and and lock it in place with strong tape.
- Take off the rivets and slide the window regulator off of the access panel.
- Make sure that the regulator and motor assembly won’t move and drill a hole through the gear and on into the chassis with a bit that is about ¼ inch.
- Place a bolt through that hole, which will then prevent the arms from moving while you take off the motor.
- Remove the old motor by removing the rivets or any other structure holding it in place.
- Grease the gear of the new motor and line it up exactly with the position the old motor was in. Remount the new motor.
- Remove the ¼ inch bolt from the regulator gear and replace the regulator assembly.
- Replace any wires that you previously disconnected.
- Put the insulator and interior liner back on the door and replace the door panel.
- Make sure that your window is functioning properly.
Anything else I need to know?
For some vehicles, you may need to remove some ancillary parts to get to the Spark Plug Replacement, so be prepared for that. If you run into problems with that process, you may need to do some research to get instructions that are specific to your vehicle.
If more than one window is not working, or if you are able to control a window from one switch but not another, your problem is not the motor.
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