Gather the necessary tools and parts:
- 10mm socket wrench
- Flathead screwdriver
- Panel pry tool
- Replacement rear wiper motor and gasket
1. Prepare the vehicle: Park the vehicle on a level surface, apply the parking brake, and disconnect the negative terminal of the battery to prevent any electrical accidents during the process.
2. Remove the interior trim:
- Locate the interior trim panel that covers the rear wiper motor. It is usually held in place by plastic clips or screws.
- Use a flathead screwdriver or a panel pry tool to carefully release the clips or remove the screws.
- Remove the trim panel to expose the rear wiper motor.
3. Disconnect electrical connections:
- Disconnect the electrical connectors attached to the rear wiper motor. You might need to press a release tab or lift a locking lever to release the connectors.
- Label the connectors to ensure you reconnect them correctly later.
4. Unbolt the rear wiper motor:
- Locate the bolts that secure the rear wiper motor in place.
- Use a 10mm socket wrench to loosen and remove the bolts.
5. Remove the old rear wiper motor:
- Once the bolts are removed, carefully remove the rear wiper motor from its housing.
- Be cautious, as there might be some residual water in the motor housing.
6. Clean the motor housing:
- Use a clean cloth to wipe away any dirt or debris from the motor housing.
- This will ensure a proper fit for the new motor.
7. Install the new rear wiper motor:
- Place the new rear wiper motor into the motor housing.
- Secure it in place using the bolts that you removed earlier.
8. Reconnect electrical connections:
- Reconnect the electrical connectors that you disconnected earlier. Make sure they are firmly connected to avoid any electrical issues.
9. Reattach the interior trim panel:
- Reinstall the interior trim panel that you removed in step 2.
- Make sure the clips or screws are properly engaged to hold the trim panel securely.
10. Test the rear wiper:
- Reconnect the negative terminal of the battery.
- Turn on the rear wiper switch to test if the motor is working properly.
11. Reposition the wiper blade:
- Reinstall the rear wiper blade if it was removed during the process.
By following these steps, you can safely and effectively replace the rear wiper motor in your Citroen Picasso. Remember to work cautiously, label any disconnected wiring for easy reconnection, and always disconnect the battery before starting any electrical work.
