Four Seasons 73631 HVAC Blend Door Actuator

Reliable HVAC Blend Door Actuator for Subaru Models

The Four Seasons 73631 HVAC blend door actuator is designed to restore proper airflow control in your Subaru Crosstrek, Forester, Impreza, WRX, WRX STI, XV, and XV Crosstrek. This actuator features a durable arm-type door linkage and a 6-terminal pin configuration to ensure precise operation within your vehicle's HVAC system.

Key Features of Four Seasons 73631 HVAC Blend Door Actuator

• Arm-style door linkage for consistent and accurate blend door movement
• Equipped with 3 mounting ears for secure installation
• 6 terminal pins to maintain reliable electrical connections
• Specifically designed as an HVAC air door actuator for Subaru vehicles
• Compatible with multiple Subaru models including Crosstrek, Forester, Impreza, WRX, WRX STI, XV, and XV Crosstrek

Detailed Product Description

The Four Seasons 73631 blend door actuator controls the position of the HVAC air doors, regulating the mix of hot and cold air inside the cabin. Its arm-type door linkage provides a robust mechanical connection to the blend door, ensuring smooth and accurate adjustments. The actuator mounts securely using three mounting ears, which help maintain alignment and reduce vibration. With six terminal pins, this actuator supports stable electrical connections necessary for precise control signals. Designed specifically for Subaru models such as the Crosstrek, Forester, Impreza, WRX, WRX STI, XV, and XV Crosstrek, this part meets the exact specifications required for proper HVAC system function.

Common HVAC Issues Addressed by This Actuator

• Inconsistent cabin temperature due to blend door malfunction
• HVAC system stuck on one temperature setting
• Unresponsive or noisy blend door movement
• Failure to switch between heating and cooling modes
• Electrical connection problems causing actuator failure

Installation Notes and Tips

When installing the Four Seasons 73631 blend door actuator, ensure the three mounting ears align properly with the vehicle’s HVAC housing. Verify the six terminal pins are securely connected to avoid intermittent operation. It is recommended to test the actuator’s movement before final assembly to confirm proper function. Refer to the vehicle’s service manual for detailed removal and installation procedures specific to Subaru Crosstrek, Forester, Impreza, WRX, WRX STI, XV, and XV Crosstrek models.

Quality Assurance and Warranty

Four Seasons parts are manufactured to meet or exceed OEM standards for fit and function. The 73631 HVAC blend door actuator undergoes rigorous quality control to ensure durability and reliable performance. Please consult Four Seasons documentation or your parts provider for specific warranty details related to this actuator.