Dorman 604-933 HVAC Blend Door Actuator - Main

Reliable HVAC Blend Door Actuator for Jeep TJ and Wrangler

The Dorman 604-933 HVAC Blend Door Actuator is designed to restore proper airflow control in your Jeep TJ or Wrangler. Featuring a rotary switch activation type and durable plastic construction, this actuator ensures consistent performance in your vehicle's heating and cooling system.

• Rotary switch activation for precise blend door movement
• Durable plastic material for long-lasting use
• Includes one air door actuator per package
• Compatible with Jeep TJ and Wrangler models
• OEM-quality replacement part number 604-933

Product Details and Specifications

This HVAC blend door actuator from Dorman operates using a rotary switch activation mechanism, allowing smooth and accurate adjustment of the blend door position. Constructed from high-quality plastic, the actuator is engineered to withstand the temperature variations and mechanical stresses typical in automotive HVAC systems. The part number 604-933 is specifically designed to fit Jeep TJ and Wrangler vehicles, ensuring proper fit and function without modification.

Common Applications and Problem Resolution

This actuator is used to control the blend door within the HVAC system, regulating the mix of hot and cold air to maintain the desired cabin temperature. It addresses several common issues, including:

• Inconsistent or incorrect cabin temperature control
• Unusual noises from the HVAC system during operation
• Failure of the blend door to move or respond to controls
• Airflow stuck in one position, limiting heating or cooling
• Intermittent HVAC system performance

Installation Notes and Tips

Installation of the Dorman 604-933 blend door actuator requires basic automotive tools and some experience with HVAC components. It is recommended to disconnect the vehicle battery before starting to avoid electrical issues. Access to the actuator typically involves removing parts of the dashboard or glove box area in Jeep TJ and Wrangler models. Ensure the actuator is properly aligned and securely fastened to prevent operational issues.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 604-933 HVAC blend door actuator undergoes quality control inspections to ensure proper function. While specific warranty details may vary, Dorman generally offers a limited warranty covering defects in material and workmanship.