The advantage of an electric window regulator is enormous in comparison with manual mechanisms. However, it has the disadvantage of being much more complex in terms of repairs. Also, it is not always easy to pinpoint the nature of the problem. Here we will see how to repair the electric window regulator of a Toyota I-unit . But before you start, you need to be sure you understand where the malfunction is coming from. Indeed, it is sometimes unnecessary to replace the entire window regulator, a simple small repair can often work. Whether it's a false contact, or simply a lack of lubrication. Now that you are sure of the origin of the dysfunction, let us return to our subject.change-window-regulator-Toyota-I-unit

Replacing a Toyota I-unit window regulator: how to do it

Changing a window regulator is relatively long. Depending on your expertise on the subject, count approximately three hours to make sure you don't get caught in the weather. Whether on a Toyota I-unit or on another vehicle, this operation is for experienced DIY enthusiasts. So let's look at how to do it, step by step. We advise you to take pictures at several stages to help you reassemble the new window regulator.

Removing a window regulator on a Toyota I-unit

  • Dismantle the entire door trim. From the handle to the mirror cover. This should be done relatively carefully using a flat screwdriver. It will be necessary to make sure to have access to the window regulator in any point without being obstructed. This step is the longest to execute.
  • Remove the window regulator seals from your Toyota I-unit. Again, it is essential to do it delicately.
  • Now that you have accessed the window regulator, remove the connectors. You must then release the motor from the window regulator when it is stuck.
  • Remove all the fasteners that hold the window, then remove the window. It is sometimes preferable to place the window halfway up to be able to carry out this operation. Of course, extreme care must be taken when handling the glass. It is best to put it on a sufficiently thick sheet.
  • Remove the window regulator as a whole. It is essential to remember its location. You can take a picture of it if it helps you fix the new window regulator. The window regulator is sometimes held in place by screws or rivets, therefore it is necessary to remove them.

Installation of an electric window regulator in a Toyota I-unit

  • Fit the new window regulator. Make sure that its location is identical to the previous window regulator. You will certainly have to use the bindings you have set aside.
  • Reposition the glass in the same way as you removed it. It will sometimes be necessary to move it slightly so that it fits correctly in its guide.
  • Connect the connectors.
  • Replace the seals that you have carefully removed.
  • Refit all of the door trim.

It's good, you now have a new and working window regulator . You must therefore switch on the ignition and test it.