Four Seasons 73620 HVAC Mode Door Actuator

Reliable HVAC Mode Door Actuator for Buick, Chevrolet, and GMC

The Four Seasons 73620 HVAC Mode Door Actuator is designed to restore proper airflow control in your vehicle's heating and cooling system. Compatible with Buick Envision, Chevrolet Equinox, and GMC Terrain models, this actuator ensures precise operation of the HVAC air door for consistent cabin comfort.

• Door linkage type: Male for secure connection
• Mounting ear quantity: 3 for stable installation
• Style: HVAC air door actuator designed for mode control
• Terminal pin quantity: 6 for reliable electrical connectivity

Product Details and Specifications

This HVAC mode door actuator (part number 73620) features a male door linkage that interfaces directly with the vehicle’s HVAC system to control airflow direction. The actuator includes three mounting ears, providing a firm and precise fit within the HVAC housing. Equipped with six terminal pins, it ensures consistent electrical connection for accurate actuator response. This component is engineered to meet the operational requirements of Buick Envision, Chevrolet Equinox, and GMC Terrain models, maintaining proper climate control functionality.

Common Applications and Problem Resolution

• Restores proper airflow direction in HVAC systems
• Eliminates issues with stuck or unresponsive mode doors
• Resolves inconsistent cabin temperature distribution
• Fixes clicking or noise from faulty HVAC actuators
• Improves overall HVAC system performance in specified vehicles

Installation Notes and Tips

When installing the Four Seasons 73620 HVAC Mode Door Actuator, ensure the male door linkage aligns correctly with the HVAC door mechanism. The three mounting ears should be securely fastened to prevent actuator movement. Verify the six terminal pins are properly connected to the vehicle’s wiring harness to avoid electrical faults. Refer to the vehicle’s service manual for detailed removal and installation procedures specific to Buick Envision, Chevrolet Equinox, and GMC Terrain models.

Quality Assurance and Warranty Information

Four Seasons manufactures this HVAC mode door actuator to meet or exceed OEM standards for durability and performance. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Using part number 73620 ensures compatibility and reliable operation within the designated vehicle models.