Four Seasons 73004 HVAC Mode Door Actuator - Auxiliary or Left Main

Reliable HVAC Mode Door Actuator for Select GM Vehicles

The Four Seasons Air Door Actuator 73004 is designed to restore proper airflow control in your vehicle's HVAC system. Engineered for compatibility with various Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac models, this actuator ensures precise operation of the HVAC mode doors.

• Female door linkage for secure connection
• Three mounting ears for stable installation
• Five terminal pins for reliable electrical connectivity
• HVAC air door actuator style for accurate climate control

Product Details and Specifications

This HVAC Mode Door Actuator from Four Seasons features a female door linkage that interfaces directly with your vehicle’s HVAC system, providing smooth and consistent movement of the air door. The actuator includes three mounting ears, which help maintain a firm and vibration-resistant fit during operation. Equipped with five terminal pins, it ensures dependable electrical connections for proper actuator function. The style is specifically designed as an HVAC air door actuator, making it suitable for controlling airflow direction within the heating and cooling system.

About the Four Seasons Air Door Actuator Line

The Air Door Actuator product line by Four Seasons focuses on delivering precise and durable actuators for HVAC systems. These actuators are engineered to meet or exceed OEM specifications, providing reliable performance in controlling air door positions. The 73004 actuator is part of this line, offering a direct replacement solution for various GM vehicles to maintain optimal climate control functionality.

Compatible Vehicles and Common Applications

This Four Seasons Air Door Actuator 73004 is compatible with a range of GM vehicles, including Buick Aurora, Cadillac Escalade (including ESV and EXT), Chevrolet Suburban 1500 and 2500, Tahoe, Trailblazer and Trailblazer EXT, GMC Envoy and Envoy XL, Yukon and Yukon XL 1500 and 2500, Oldsmobile Bravada, Pontiac Bonneville, LeSabre, Park Avenue, Riviera, Seville, and Terraza.

• Resolves HVAC mode door failure causing incorrect airflow direction
• Fixes inconsistent or stuck air door movement
• Eliminates clicking or grinding noises from faulty actuators
• Restores proper climate control functionality
• Prevents electrical connection issues with five terminal pins

Installation Notes and Tips

When installing the Four Seasons Air Door Actuator 73004, ensure the female door linkage is properly aligned with the HVAC door mechanism. Secure the actuator using the three mounting ears to prevent movement or vibration. Verify all five terminal pins are correctly connected to the vehicle’s wiring harness to avoid electrical faults. It is recommended to test the actuator operation before reassembling the dashboard or HVAC housing.

Quality Assurance and Warranty

Four Seasons manufactures the 73004 HVAC Mode Door Actuator to meet stringent quality standards, ensuring durability and reliable performance. This part is backed by Four Seasons’ warranty coverage, providing confidence in its long-term functionality and fitment for the specified Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac models.