Mazdaspeed3 Blower Motor Replacement

Introduction

This tutorial guides you through the process of replacing the blower motor in a 2013 Mazdaspeed3. Additionally, we will cover how to replace the cabin air filters and the blower motor resistor, which may be the underlying cause of blower motor issues. Following these steps will help ensure proper airflow and climate control in your vehicle.

Step 1: Gather Necessary Tools and Materials

Before starting the replacement, gather the following tools and materials:

• Screwdriver set (flathead and Phillips)
• Socket wrench set
• Replacement blower motor
• Cabin air filters
• Blower motor resistor
• Safety gloves
• Safety glasses

Step 2: Disconnect the Battery

To ensure safety while working on your vehicle's electrical components:

1. Open the hood and locate the battery.
2. Use a wrench to disconnect the negative terminal first, followed by the positive terminal.
3. Secure the battery cables away from the terminals to prevent accidental reconnection.

Step 3: Remove the Glove Box

Accessing the blower motor requires removing the glove box:

1. Open the glove box and empty its contents.
2. Locate the screws securing the glove box and remove them using a screwdriver.
3. Disconnect any electrical connectors, if applicable, and gently pull the glove box out of its housing.

Step 4: Remove the Blower Motor

With the glove box removed, you can access the blower motor:

1. Locate the blower motor housing beneath the dashboard.
2. Disconnect the electrical connector from the blower motor.
3. Remove the screws or bolts securing the blower motor in place using a socket wrench.
4. Carefully take out the blower motor from its housing.

Step 5: Install the New Blower Motor

Now it's time to install the new blower motor:

1. Position the new blower motor in the housing.
2. Secure it with the screws or bolts you removed earlier.
3. Reconnect the electrical connector to the blower motor.

Step 6: Replace the Blower Motor Resistor

To ensure the blower functions correctly, replace the blower motor resistor:

1. Locate the blower motor resistor, which is usually near the blower motor.
2. Disconnect the wiring harness from the resistor.
3. Remove the screws or bolts holding the resistor in place.
4. Install the new blower motor resistor and secure it with screws.
5. Reconnect the wiring harness.

Step 7: Replace the Cabin Air Filters

Fresh air is crucial for your vehicle's interior:

1. Locate the cabin air filter compartment, typically found behind the glove box.
2. Remove the old filters by sliding them out.
3. Insert the new cabin air filters, ensuring they are oriented correctly.
4. Reinstall the glove box by reversing the removal steps.

Step 8: Reconnect the Battery

After completing all installations, reconnect the battery:

1. Start by connecting the positive terminal, followed by the negative terminal.
2. Ensure the connections are tight to avoid any electrical issues.

Conclusion

Replacing the blower motor, blower motor resistor, and cabin air filters in your 2013 Mazdaspeed3 is a straightforward process that can enhance your vehicle's climate control. By following these steps, you can ensure better airflow and a more comfortable driving experience. After completing the replacement, test the blower motor to confirm it operates correctly. If issues persist, consider consulting a professional mechanic for further diagnosis.