Four Seasons 73677 HVAC Blend Door Actuator - Left

Reliable HVAC Blend Door Actuator for Acura and Honda Vehicles

The Four Seasons 73677 HVAC Blend Door Actuator is designed to restore proper airflow control in your Acura MDX, Honda Passport, Pilot, or Ridgeline. This actuator features a durable arm-type door linkage and a secure mounting system to ensure consistent HVAC performance.

• Arm-style door linkage for precise air door movement
• Four mounting ears for stable installation
• Five terminal pins for reliable electrical connection
• Designed specifically for HVAC air door actuator applications
• Compatible with Acura MDX and Honda Passport, Pilot, Ridgeline models

Product Details and Specifications

The Four Seasons 73677 blend door actuator operates the HVAC air door system by controlling the position of the blend door via an arm linkage. It includes four mounting ears that provide a secure fitment to the HVAC housing, minimizing vibration and ensuring accurate door positioning. The actuator is equipped with five terminal pins, allowing for a stable electrical connection to the vehicle’s climate control system. This part is engineered to meet the specific requirements of Acura and Honda models such as the MDX, Passport, Pilot, and Ridgeline, ensuring compatibility and reliable operation.

Common HVAC Issues Addressed by This Actuator

• 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 control

Installation Notes and Tips

When installing the Four Seasons 73677 blend door actuator, ensure the four mounting ears align correctly with the HVAC housing to prevent misalignment. Verify that the five terminal pins are securely connected to the vehicle’s wiring harness to maintain proper electrical function. It is recommended to test the actuator operation before reassembling the dashboard components to confirm correct installation and functionality.

Quality Assurance and Warranty Information

Four Seasons parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 73677 blend door actuator undergoes rigorous quality control to ensure durability and reliable performance in Acura and Honda HVAC systems. Please refer to Four Seasons’ official warranty policy for specific coverage details.