Windshield Wiper Motor Replacement in Toyota Aygo: A Comprehensive Guide

Serial Number: 1002345

Windshield wipers are an essential safety feature that keeps your visibility clear during inclement weather. When the rear wiper motor in your Toyota Aygo fails, it can be a significant inconvenience and safety hazard. This article provides a step-by-step guide to replacing the rear wiper motor in your Aygo, ensuring that you can restore its functionality and maintain a clear rear view.

Symptoms of a Failing Rear Wiper Motor

Intermittent or complete failure of the rear wiper blade to move

Slow or erratic wiper movement

Noise or vibrations coming from the rear wiper assembly

Warning light on the dashboard indicating a wiper system malfunction

Materials Required

Replacement rear wiper motor for Toyota Aygo

Socket wrench and sockets (10mm, 12mm)

Flathead screwdriver

Panel removal tool (optional)

Electrical connector release tool (optional)

Safety Precautions

Before beginning any work, ensure the vehicle is parked on a level surface and the parking brake is engaged. Disconnect the negative battery terminal to prevent any electrical accidents.

Step-by-Step Replacement Guide

1. Access the Rear Wiper Assembly

Open the rear hatch and locate the rear wiper assembly on the left side of the tailgate.

Using a flathead screwdriver or panel removal tool, carefully pry open the plastic cover that conceals the wiper motor.

2. Disconnect Electrical Connectors

Use an electrical connector release tool or your fingers to gently disconnect the electrical connector from the wiper motor.

Mark the position of the connector for easy reinstallation.

3. Remove the Wiper Arm

Locate the nut that secures the wiper arm to the wiper motor drive shaft.

Using a socket wrench and a 10mm socket, carefully loosen and remove the nut.

Pull the wiper arm straight up to detach it from the motor.

4. Unscrew the Motor Mounting Bolts

Using a socket wrench and a 12mm socket, unscrew the three bolts that secure the wiper motor to the tailgate.

Support the motor as you remove the bolts to prevent it from falling.

5. Extract the Old Motor

Once the bolts are removed, gently pull the wiper motor straight out of its mounting location.

Inspect the old motor for any damage or corrosion that may have caused the failure.

6. Install the New Motor

Align the new wiper motor with the mounting holes on the tailgate.

Insert the motor and hand-tighten the mounting bolts.

Use the socket wrench to further tighten the bolts to a snug fit.

7. Reattach the Wiper Arm

Slide the wiper arm back onto the wiper motor drive shaft.

Secure the arm with the nut and tighten it using a socket wrench and a 10mm socket.

8. Reconnect Electrical Connectors

Align the electrical connector with its corresponding socket on the wiper motor.

Use an electrical connector release tool or your fingers to push the connector into place until it locks.

9. Reinstall the Plastic Cover

Snap the plastic cover back into place over the rear wiper assembly.

Ensure it is securely fastened to prevent water ingress.

10. Reconnect Battery

Reconnect the negative battery terminal.

Conclusion

Replacing the rear wiper motor in a Toyota Aygo is a straightforward procedure that can be completed in approximately 30 minutes. By following the steps outlined in this guide, you can restore the functionality of your rear wiper and maintain optimal visibility during inclement weather. Remember to dispose of the old wiper motor responsibly and recycle the packaging from the new motor to minimize environmental impact. If you encounter any difficulties or have any further questions, consult a qualified mechanic for professional assistance.