Dorman 604-222 HVAC Blend Door Actuator - Auxiliary

Dorman 604-222 HVAC Blend Door Actuator

The Dorman 604-222 HVAC blend door actuator is a precision-engineered replacement for the original heater blend door actuator used on select Ford and Lincoln vehicles. It is built with a rotary switch activation design and a plastic housing to restore temperature control function in the auxiliary HVAC system.

Compatible with 2004-2006 Ford Expedition and 2005-2006 Lincoln Navigator auxiliary temperature control applications, this Dorman 604-222 part is made to match the fit and performance of the factory actuator. It is a direct-fit solution for drivers searching for a Ford Expedition auxiliary blend door actuator or Lincoln Navigator HVAC actuator replacement.

Key Features

• Rotary switch activation type for HVAC blend door control
• Plastic construction for OE-style fit and function
• Replacement actuator for auxiliary temperature control systems
• Direct-fit design for select Ford Expedition and Lincoln Navigator models
• Part number 604-222 for easy identification

Detailed Description

This HVAC heater blend door actuator controls the movement of the blend door inside the heating and air conditioning system, helping regulate air temperature in the cabin. The Dorman 604-222 is engineered to match the original actuator used on specific Ford Expedition and Lincoln Navigator vehicles, making it a practical replacement when the factory unit fails or becomes inconsistent. Cross-reference part numbers include Four Seasons 73025 and Standard Ignition ADR209 for the same application.

Fits 2004 Ford Expedition, Auxiliary. Fits 2005-2006 Ford Expedition, Auxiliary. Fits 2005-2006 Lincoln Navigator, Auxiliary.

Common Problems This Part Can Address

• Incorrect cabin temperature from the auxiliary HVAC system
• Blend door movement that stops responding to temperature changes
• Clicking or repeated actuator noise from behind the dash
• Airflow stuck on hot or cold in the rear or auxiliary climate circuit
• Loss of temperature control in a Ford Expedition or Lincoln Navigator auxiliary HVAC setup

Installation Notes and Tips

Verify the vehicle year, make, model, and auxiliary position before ordering. Inspect the blend door and HVAC housing for binding or damage before installing the replacement actuator. After installation, cycle the climate controls to confirm smooth rotary operation and proper temperature response.

Quality Assurance

Dorman designs this replacement actuator to match the quality and performance of the original part on the listed applications. Part number 604-222 is intended for direct replacement use on the confirmed fitment vehicles.