Four Seasons 73540 HVAC Blend Door Actuator - Left

Reliable HVAC Blend Door Actuator for Audi and Volkswagen Models

The Four Seasons 73540 HVAC Blend Door Actuator is designed to restore precise climate control in select Audi and Volkswagen vehicles. Engineered with a gear-type door linkage and multiple mounting points, this actuator ensures consistent airflow regulation for optimal cabin comfort.

• Gear-type door linkage for smooth and accurate operation
• Three mounting ears for secure installation
• Five terminal pins for reliable electrical connection
• HVAC air door actuator style compatible with various HVAC systems
• Compatible with Audi Arteon and Volkswagen Golf, GTI, e-Golf, Golf Alltrack, Golf R, Golf SportWagen, TT Quattro, and TTS Quattro

Product Details and Specifications

The Four Seasons 73540 blend door actuator features a gear-driven door linkage mechanism that controls the movement of the HVAC blend door, regulating the mix of hot and cold air inside the vehicle’s cabin. It includes three mounting ears to ensure a stable fit and five terminal pins that provide a secure electrical connection to the vehicle’s HVAC system. This actuator is designed in the HVAC air door actuator style, making it compatible with the climate control systems found in Audi Arteon and multiple Volkswagen models such as the Golf series and TT Quattro variants.

Compatible Vehicles and Applications

This HVAC blend door actuator is compatible with the following makes and models:

• Audi Arteon
• Volkswagen e-Golf
• Volkswagen Golf, Golf Alltrack, Golf R, Golf SportWagen
• Volkswagen GTI
• Volkswagen TT Quattro and TTS Quattro

Common HVAC Issues Addressed

• Inconsistent cabin temperature due to blend door malfunction
• Unresponsive or stuck HVAC air door movement
• Unusual noises from the HVAC system during temperature adjustment
• Failure to switch between heating and cooling modes properly
• Electrical connection problems causing intermittent HVAC operation

Installation Notes and Tips

When installing the Four Seasons 73540 blend door actuator, ensure the three mounting ears align correctly with the vehicle’s HVAC housing. Verify the five terminal pins are securely connected to avoid electrical issues. It is recommended to test the actuator’s operation before reassembling the dashboard components. Refer to the vehicle’s service manual for specific removal and installation procedures to avoid damage to surrounding HVAC components.

Quality Assurance and Warranty

Four Seasons parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The 73540 blend door actuator undergoes quality control testing to ensure proper function. Please consult Four Seasons or authorized distributors for warranty details applicable to this part number.