Four Seasons 73164 HVAC Blend Door Actuator - Left or Left Main

Overview of Four Seasons Air Door Actuator 73164

The Four Seasons Air Door Actuator 73164 is designed specifically for HVAC systems in select Buick and Cadillac models. This HVAC blend door actuator ensures precise control of airflow within the vehicle’s heating and cooling system, maintaining optimal cabin comfort.

• Compatible with Buick Lucerne and Cadillac DTS models
• Features an arm-style door linkage for reliable operation
• Equipped with 4 mounting ears for secure installation
• Includes 5 terminal pins for electrical connectivity
• Part number 73164 for accurate identification and fitment

Detailed Product Description

The Four Seasons Air Door Actuator 73164 is an HVAC blend door actuator engineered to regulate the blend door position in the heating and air conditioning system. This actuator uses an arm-style door linkage, which provides a direct mechanical connection to the blend door, ensuring consistent and responsive airflow adjustments. The actuator mounts securely with four mounting ears, offering stable placement within the HVAC housing. Its five terminal pins facilitate proper electrical connections, enabling precise control signals from the vehicle’s climate control module.

This part is designed to meet the specific requirements of Buick Lucerne and Cadillac DTS vehicles, making it a reliable replacement for the original HVAC blend door actuator. The Four Seasons Air Door Actuator product line focuses on delivering components that maintain factory specifications for fit, form, and function, ensuring seamless integration with the vehicle’s HVAC system.

Common Applications and Issues Addressed

• Restores proper airflow direction and temperature control in Buick Lucerne and Cadillac DTS HVAC systems
• Eliminates inconsistent cabin temperature caused by faulty blend door movement
• Resolves clicking or knocking noises from the HVAC system due to actuator failure
• Prevents HVAC system from defaulting to one temperature setting
• Corrects issues with air distribution between vents

Installation Notes and Tips

• Verify vehicle compatibility with Buick Lucerne or Cadillac DTS before installation
• Disconnect the battery to prevent electrical shorts during replacement
• Carefully remove the HVAC housing cover to access the blend door actuator
• Ensure the four mounting ears align properly for secure fitment
• Reconnect all five terminal pins firmly to maintain electrical integrity

Quality Assurance and Warranty

Four Seasons parts, including the Air Door Actuator 73164, are manufactured to meet or exceed OEM standards for durability and performance. This actuator undergoes rigorous quality control to ensure reliable operation within the HVAC system. Warranty coverage details should be confirmed with the product supplier or manufacturer, as they may vary by region.