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How to Replace Door Window Regulator on Kia Optima 2016-2020

DIY Cost: $ 150 - 250
Est. Time: 30 mins - 1 hour
Difficulty: Intermediate

Summary

In this guide, you will find step-by-step instructions on how to replace the window regulator and door glass on a 2016-2020 Kia Optima.

What you will need

Procedure

  1. Open the driver's door and pull the hood release under the dashboard.Hood release of 2016-2020 Kia Optima.Then unlock the hood latch and open the hood up.Opened hood of the Kia Optima.

     

  2. Disconnect the negative battery terminal. Disconnect the positive and negative battery terminal.Disconnect the positive and negative battery terminal.

    Use a 10mm wrench to loosen the bolt on the terminals.

  3. Pry out the side mirror cover, the cover on the inner door handle, and the cover on the armrest using a plastic removal tool.Removing the side mirror cover on the door panel.Removing the covers of the door panel.

     

  4. Remove the screws on the door panel and pry out the edges of the door panel. Then carry the door panel out, disconnect the cables and electrical connectors, and set the door panel aside.Removing the screws on the door panel.Removing the door panel of the 2016-2020 Kia Optima.

     

  5. Remove the rubber covers on the window regulator, reconnect the window switch and adjust the window until the bolts of the window can be seen. Make sure to disconnect the battery after adjusting the window. Removing the rubber covers on the front door module.Adjusting the window to have access to the bolts inside the door module.The bolts holding the window glass.

     

  6. Loosen and remove the bolts holding the window.Removing the bolts holding the window.Then remove the glass out of the door by lifting it up.Removing the glass out of the door.

     

  7. Pull the rubber grommets out of the window regulator.Pulling the rubber grommets out from the whole window regulator.Pulling the rubber grommets out from the whole window regulator.
  8. Disconnect the clips on the speaker and airbag sensor. Push on the clip and pull it out to remove it from where it is connected. Disconnecting the clip on the speaker.Disconnecting the clip on the airbag sensor.
  9. Remove/Unhook the wiring harness from the tabs on the window regulator.Removing the wire harness out from the door module.Unhooking the wire harness from the front door module.

     

  10. Remove the 10mm bolts around the window regulator.Removing the bolts around the front door module.

    Other bolts are on the lower part of the regulator.

  11. Hold the window regulator and disconnect the clip on the back side of the window regulator.Removing the clip on the other side of the door module.

     

  12. Slide the cable of the door actuator out from the window regulator.Sliding the cables of the door actuator out from the front door module.
  13. Unhook the wire harness from the tabs on the backside of the window regulator. Then pull out the wire harness on the hole of the window regulator.Removing the wire harness on the other side of the door module

    The window regulator of the 2016-2020 Kia Optima.

    The window regulator or also known as front door module.
  14. Get the new window regulator and hook the wire harness at the back of the new window regulator.Hooking the wire harness on the new window regulator.

     

  15. Insert the cables of the door actuator on the new window regulator and reconnect the clip on the other side of the window regulator.Putting the cables of the door actuator and clip to the new window regulator.

     

  16. Reinstall the bolts around the window regulator.Reinstalling the bolts around the new window regulator.

    Torque specification: 6.9 - 10.8 N.m (5.1 - 8.0 lb-ft)

  17. Push the grommets into the window regulator.Reinstalling the rubber grommets back to the window regulator.

     

  18. Install the electrical connector to the speakers and airbag sensor. Then hook the wire harness to the new window regulator.Installing the electrical connectors to the new window regulatorInstalling the wire harness to the new window regulator.
  19. Reinstall the window, door panel and, side mirror cover.

Notes

How to Replace Door Window Regulator on Kia Optima 2016-2020 What you will need Philips screwdriver Prying tool or plastic removal tool 10mm socket wrench 10mm wrench Window Regulator