Tools You'll Likely Need:
* Socket set: Various sizes, including metric.
* Screwdrivers: Phillips and flathead, possibly various sizes.
* Pliers: Needle-nose and regular.
* Wrench(es): Possibly for various fasteners.
* Torx bits (if applicable): Some Subarus use Torx screws.
* A flashlight: For better visibility in tight spaces.
* New blower motor: Make sure you get the correct replacement part for your model.
* Shop towels or rags: To keep things clean.
* Possibly a trim removal tool: To avoid scratching the dash.
General Steps (Consult your repair manual for specifics):
1. Disconnect the Battery: This is crucial for safety to prevent electrical shocks. Disconnect the negative (-) terminal first.
2. Access the Blower Motor: This typically involves removing parts of the dashboard or the glove compartment. This is the most variable step across models and will require careful disassembly. Your repair manual will guide you through this, showing you which screws and clips to remove. Expect to remove parts of the dash, possibly the glovebox, and potentially some trim pieces. Take photos as you go to help with reassembly.
3. Disconnect Electrical Connections: Once you have access to the blower motor, carefully disconnect the electrical connector(s). Take note of how they are connected.
4. Remove the Blower Motor Housing: The blower motor is usually secured within a housing. You'll need to detach this housing; this often involves removing screws and potentially some clips.
5. Remove the Blower Motor: The blower motor itself might be held in place by screws or clips. Carefully remove it from the housing.
6. Install the New Blower Motor: Carefully install the new blower motor, ensuring it's correctly seated and aligned.
7. Reassemble Everything: Reassemble the housing, reconnect the electrical connectors, and carefully put back all the dash components and trim you removed. Refer to your photos to ensure correct reassembly.
8. Reconnect the Battery: Reconnect the positive (+) terminal of the battery.
9. Test the Blower Motor: Turn on your car's HVAC system and test the blower motor on all speeds.
Important Considerations:
* Repair Manual: This is absolutely essential. Improper disassembly can damage your vehicle.
* Patience: This is a time-consuming job, requiring patience and attention to detail.
* Photography: Take photos during disassembly to aid in reassembly.
* Parts: Ensure you have the correct replacement blower motor.
* Safety: Always disconnect the battery before starting any electrical work.
This is a simplified overview. Without a specific repair manual for your 1991 Subaru Legacy, attempting this could lead to damage. Consider consulting a professional mechanic if you are not comfortable with automotive repairs.
