Four Seasons 73117 HVAC Defrost Mode Door Actuator - Main

Reliable HVAC Defrost Mode Door Actuator for Audi and Volkswagen

The Four Seasons Air Door Actuator 73117 is designed to restore proper airflow control in your vehicle's HVAC system. Compatible with select Audi and Volkswagen models, this actuator ensures efficient defrost mode operation for clear visibility and comfort.

• HVAC defrost mode door actuator with arm-type door linkage
• Equipped with 3 mounting ears for secure installation
• Features 5 terminal pins for reliable electrical connection
• Compatible with Audi A4, A4 Quattro, S3, S4, S6, S8 and Volkswagen Passat
• Part number 73117 for precise fitment and replacement

About the Four Seasons Air Door Actuator Product Line

The Air Door Actuator line by Four Seasons focuses on delivering precise control of HVAC air doors to maintain proper airflow distribution within the vehicle cabin. This product line includes actuators engineered to operate various HVAC doors, such as defrost mode doors, ensuring consistent climate control performance. The 73117 actuator is part of this line, specifically designed for defrost mode applications in select Audi and Volkswagen vehicles.

Product Details and Specifications

This HVAC defrost mode door actuator features an arm-style door linkage that connects directly to the HVAC door mechanism, allowing accurate movement and positioning. The actuator mounts securely using three mounting ears, providing stability during operation. Electrical connectivity is ensured through five terminal pins, supporting reliable signal transmission for actuator control. The part number 73117 corresponds to this specific configuration, making it suitable for replacement in compatible Audi and Volkswagen models including the A4, A4 Quattro, Passat, S3, S4, S6, and S8.

Common Issues Addressed by This HVAC Door Actuator

• Inconsistent or no airflow in defrost mode
• HVAC door stuck or failing to move properly
• Unresponsive climate control settings related to defrost
• Unusual noises from the HVAC system during defrost operation
• Reduced visibility due to ineffective windshield defrosting

Installation Notes and Tips

When installing the Four Seasons Air Door Actuator 73117, ensure the three mounting ears align correctly with the HVAC housing. Verify the arm linkage is properly connected to the defrost door to allow full range of motion. Carefully connect all five terminal pins to the vehicle’s wiring harness to maintain electrical integrity. It is recommended to test actuator operation before reassembling the dashboard components to confirm proper function.

Quality Assurance and Warranty Information

Four Seasons manufactures the Air Door Actuator 73117 to meet OEM standards for fit and function. This part undergoes quality control inspections to ensure durability and reliable performance in HVAC systems. Warranty coverage details should be confirmed with the distributor or retailer, as Four Seasons typically offers limited warranties on their HVAC components.