Four Seasons 73173 HVAC Blend Door Actuator - Right

Reliable HVAC Blend Door Actuator for Cadillac CTS and STS

The Four Seasons Air Door Actuator 73173 is designed to restore precise airflow control in your Cadillac CTS or STS HVAC system. Engineered to replace faulty blend door actuators, this part ensures consistent temperature regulation and comfort inside your vehicle.

• HVAC blend door actuator with arm-type door linkage
• Equipped with 4 mounting ears for secure installation
• Features 5 terminal pins for reliable electrical connection
• Specifically compatible with Cadillac CTS and STS models
• Part number 73173 for accurate identification and fitment

Product Details and Specifications

This HVAC blend door actuator from Four Seasons operates the air door linkage using an arm style mechanism, providing smooth and accurate movement within the HVAC system. The actuator includes four mounting ears, allowing for a stable and secure fit in the HVAC housing. With five terminal pins, it ensures a dependable electrical connection to the vehicle’s climate control system. The part number 73173 corresponds to this specific actuator designed for Cadillac CTS and STS models, ensuring compatibility and proper function.

About the Four Seasons Air Door Actuator Line

The Four Seasons Air Door Actuator product line focuses on delivering precise control components for vehicle HVAC systems. These actuators are engineered to meet or exceed OEM specifications, providing reliable operation of blend doors that regulate airflow and temperature. The 73173 actuator is part of this line, offering a direct replacement solution for Cadillac CTS and STS vehicles requiring HVAC blend door actuator repair.

Common Applications and Problem Resolution

• Restores proper temperature control in Cadillac CTS and STS HVAC systems
• Eliminates issues with inconsistent airflow or stuck blend doors
• Resolves clicking or knocking noises from faulty actuators
• Prevents failure of climate control functions related to blend door movement
• Improves overall HVAC system responsiveness and comfort

Installation Notes and Tips

Installation of the Four Seasons Air Door Actuator 73173 requires access to the HVAC housing behind the dashboard. Ensure the vehicle’s battery is disconnected before beginning to avoid electrical issues. The actuator mounts using four ears for secure attachment, and the five terminal pins must be properly connected to the vehicle’s wiring harness. Follow vehicle-specific service manuals for detailed removal and installation procedures to maintain system integrity.

Quality Assurance and Warranty Information

Four Seasons manufactures the 73173 HVAC blend door actuator to meet stringent quality standards, ensuring durability and reliable performance. This part undergoes rigorous testing to confirm fitment and function for Cadillac CTS and STS models. Warranty coverage details should be confirmed at the point of purchase, as Four Seasons typically offers limited warranties on their HVAC components.