Dorman 604-056 HVAC Blend Door Actuator - Main

Overview of the Dorman HVAC Blend Door Actuator 604-056

The Dorman HVAC Blend Door Actuator 604-056 is designed specifically for Dodge Dart models, providing reliable control of your vehicle's heating and cooling system. This actuator features a rotary switch activation type and a durable plastic construction to ensure consistent performance.

• Rotary switch activation for precise HVAC control
• Five male pin terminals for secure electrical connections
• Durable plastic material for long-lasting use
• Compatible with Dodge Dart HVAC systems
• Includes one air door actuator per package

Detailed Product Description

The Dorman 604-056 HVAC Blend Door Actuator is engineered to regulate the blend door within the heating, ventilation, and air conditioning system of Dodge Dart vehicles. Its rotary switch activation type allows for smooth and accurate adjustment of airflow temperature by controlling the position of the blend door. The actuator is equipped with five male pin terminals, ensuring a reliable electrical connection to the vehicle’s wiring harness. Constructed from high-quality plastic, this actuator balances durability with lightweight design, making it an effective replacement part for maintaining optimal HVAC function.

Common Applications and Problem Resolution

This HVAC blend door actuator is used to control the mix of hot and cold air inside the vehicle cabin. It addresses several common HVAC issues, including:

• Inconsistent cabin temperature due to blend door malfunction
• Unresponsive or stuck HVAC controls
• Unusual noises from the HVAC system indicating actuator failure
• Failure to switch between heating and cooling modes properly
• Airflow stuck in one position despite control input

Installation Notes and Tips

When installing the Dorman 604-056 blend door actuator on a Dodge Dart, ensure the vehicle’s battery is disconnected to prevent electrical shorts. Carefully remove the old actuator by disconnecting the five-pin male terminal connector and unfastening mounting screws. Align the new actuator properly with the blend door shaft before securing it in place. Verify the actuator’s operation by cycling the HVAC controls through all temperature settings to confirm smooth movement and proper function.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM specifications, providing dependable performance for your Dodge Dart HVAC system. The 604-056 blend door actuator undergoes rigorous quality control testing to ensure durability and functionality. This part is backed by Dorman’s limited warranty, covering defects in material and workmanship under normal use conditions.