Porsche 944 Windshield wiper motor removal and repair. Porsche 944 windshield wiper repair.

Introduction

This tutorial provides a step-by-step guide for removing and repairing the windshield wiper motor on a Porsche 944. If your wipers are not functioning properly, this guide will help you diagnose the issue, remove the motor, and perform necessary repairs or replacements.

Step 1: Prepare Your Tools and Workspace

Before you start, gather the necessary tools and set up a clean workspace.

• Tools needed:
  • Screwdriver set (flathead and Phillips)
  • Socket set
  • Pliers
  • Multimeter (for testing)
  • Work gloves
• Ensure you have good lighting and a comfortable working environment.

Step 2: Disconnect the Battery

Safety is crucial when working on electrical components.

• Locate the battery in your Porsche 944.
• Use a wrench to disconnect the negative terminal first, followed by the positive terminal. This prevents any electrical shorts.

Step 3: Access the Wiper Motor

You need to remove the wiper arms and the cowl to access the motor.

1. Remove the wiper arms:
   • Locate the nuts securing the wiper arms to the motor.
   • Use the appropriate socket to remove the nuts.
   • Gently pull the wiper arms off the motor shaft.
2. Remove the cowl:
   • Unscrew any screws or clips securing the cowl panel.
   • Carefully lift the cowl to expose the wiper motor underneath.

Step 4: Remove the Wiper Motor

Now that you have access, you can remove the motor.

• Disconnect the wiring harness from the motor.
• Remove the screws or bolts securing the motor to the vehicle.
• Gently lift the motor out, taking care not to damage any surrounding components.

Step 5: Inspect and Test the Wiper Motor

Check the motor for any visible signs of damage or wear.

• Use a multimeter to test the motor:
  • Set the multimeter to the resistance setting.
  • Check the terminals of the motor for continuity.
• If the motor fails the test, you may need to repair or replace it.

Step 6: Repair the Wiper Motor (if necessary)

If you find that the motor is faulty, you can attempt to repair it.

1. Open the motor casing carefully using a screwdriver.
2. Inspect internal components for wear or damage.
3. Replace any damaged parts such as brushes or gears.
4. Reassemble the motor casing securely.

Step 7: Reinstall the Wiper Motor

Once the motor is repaired or replaced, reinstall it in reverse order.

• Position the motor back into its place.
• Secure it with screws or bolts.
• Reconnect the wiring harness ensuring a snug fit.

Step 8: Reassemble the Wiper Arms and Cowl

Put everything back together to complete the job.

• Reattach the cowl, securing it with screws or clips.
• Position the wiper arms back onto the motor shaft and tighten the nuts securely.

Step 9: Reconnect the Battery and Test the Wipers

Make sure everything is connected properly before testing.

• Reconnect the battery terminals, starting with the positive terminal.
• Turn on the ignition and test the wipers to ensure they are functioning correctly.

Conclusion

In this tutorial, you learned how to remove, inspect, repair, and reinstall the windshield wiper motor on a Porsche 944. Regular maintenance of your wiper system is essential for safety and visibility. If your wipers are still not functioning after repairs, consider seeking professional help.