Four Seasons 73678 HVAC Blend Door Actuator - Right

Reliable HVAC Blend Door Actuator for Acura and Honda Vehicles

The Four Seasons 73678 HVAC blend door actuator is designed to restore proper airflow control in your Acura MDX, Honda Passport, Pilot, and Ridgeline. Engineered with precision, this actuator ensures smooth operation of your vehicle's HVAC system.

Key Features of Four Seasons 73678 HVAC Blend Door Actuator

• Door linkage type: Arm for accurate movement
• Four mounting ears for secure installation
• Five terminal pins for reliable electrical connection
• Style: HVAC air door actuator designed for blend door control

Detailed Product Description

The Four Seasons 73678 blend door actuator controls the position of the HVAC air door, regulating the mix of hot and cold air inside the cabin. Featuring an arm-type door linkage, this actuator provides precise control over airflow direction. The four mounting ears ensure a stable fit within the HVAC housing, minimizing vibration and noise. Equipped with five terminal pins, it offers a dependable electrical interface for consistent performance. This part is specifically compatible with Acura MDX and Honda Passport, Pilot, and Ridgeline models, making it a targeted replacement for HVAC system repairs.

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 operation

Installation Notes and Tips

When installing the Four Seasons 73678 actuator, ensure the four mounting ears align correctly with the HVAC housing. Handle the arm linkage carefully to avoid bending or damage. Verify 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.

Quality Assurance and Warranty

Four Seasons manufactures this HVAC blend door actuator to meet or exceed OEM specifications 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. Refer to the product packaging or manufacturer documentation for exact warranty terms.