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Wexco Wiper Motor Replacement: A Step-by-Step Guide

Introduction

Wexco wiper motors are known for their durability and reliability. However, like any mechanical component, they can eventually fail. If your Wexco wiper motor is no longer working properly, you can replace it yourself with a few simple tools and some basic knowledge.

Symptoms of a Failing Wiper Motor

There are a few telltale signs that your Wexco wiper motor is failing:

The wipers are not moving smoothly or at all.

The wipers are making a grinding or squealing noise.

The wipers are not returning to their home position.

The fuse for the wiper motor keeps blowing.

Safety Precautions

Before you begin working on your Wexco wiper motor, be sure to take the following safety precautions:

Park your vehicle on a level surface and engage the parking brake.

Disconnect the negative battery terminal.

Allow the engine to cool down completely.

Tools and Materials

You will need the following tools and materials to replace your Wexco wiper motor:

10mm socket wrench

13mm socket wrench

Phillips screwdriver

Flathead screwdriver

New Wexco wiper motor

Dielectric grease

Step-by-Step Instructions

1. Remove the wiper arms. Using a 13mm socket wrench, loosen the nuts that hold the wiper arms to the wiper transmission. Once the nuts are loose, carefully remove the wiper arms from the transmission.

2. Disconnect the electrical connector. Locate the electrical connector for the wiper motor and disconnect it.

3. Remove the mounting bolts. Using a 10mm socket wrench, remove the bolts that hold the wiper motor to the firewall.

4. Pull the wiper motor out of the firewall. Once the bolts are removed, gently pull the wiper motor out of the firewall.

5. Install the new wiper motor. Insert the new wiper motor into the firewall and secure it with the bolts.

6. Reconnect the electrical connector. Plug the electrical connector back into the wiper motor.

7. Reinstall the wiper arms. Place the wiper arms back onto the wiper transmission and tighten the nuts.

8. Reconnect the negative battery terminal. Reconnect the negative battery terminal.

9. Test the wiper motor. Turn on the ignition and test the wiper motor. Make sure that the wipers are moving smoothly and returning to their home position.

Tips

If you are having difficulty removing the wiper arms, you can use a penetrating oil to loosen the nuts.

Be careful not to overtighten the bolts when reinstalling the wiper motor.

Apply dielectric grease to the electrical connector to prevent corrosion.

Conclusion

Replacing a Wexco wiper motor is a relatively simple task that can be completed in about an hour. By following the steps outlined in this article, you can save yourself the cost of having the repair done by a mechanic.