Dorman 604-316 HVAC Blend Door Actuator - Left Main

Overview of Dorman HVAC Blend Door Actuator 604-316

The Dorman HVAC Blend Door Actuator 604-316 is designed for precise control of airflow temperature in Cadillac ATS and CTS models. Featuring a rotary switch activation type and durable plastic construction, this actuator ensures reliable HVAC system performance.

• Rotary switch activation for smooth operation
• Five male pin terminals for secure electrical connection
• Durable plastic material for long-lasting use
• Compatible with Cadillac ATS and CTS HVAC systems
• Includes one air door actuator per package

Detailed Product Description

This HVAC blend door actuator from Dorman, part number 604-316, is engineered to regulate the blend door position within the heating and cooling system of Cadillac ATS and CTS vehicles. The actuator uses a rotary switch activation type, which allows for precise modulation of the blend door to control cabin temperature effectively. It features five male pin terminals that provide a stable and reliable electrical connection, ensuring consistent performance. Constructed from durable plastic, this actuator is built to withstand the demands of daily vehicle operation while maintaining HVAC system integrity.

Compatible Vehicles and Applications

This Dorman HVAC blend door actuator 604-316 is specifically compatible with Cadillac ATS and CTS models. It is designed to replace faulty or worn actuators that cause issues such as inconsistent temperature control or unusual noises from the HVAC system.

• Inconsistent cabin temperature regulation
• HVAC blend door stuck or unresponsive
• Unusual clicking or grinding noises from the HVAC system
• Failure to switch between heating and cooling modes
• Intermittent airflow direction problems

Installation Notes and Tips

Installation of the Dorman 604-316 HVAC blend door actuator requires basic automotive HVAC knowledge and tools. It is recommended to disconnect the vehicle battery before installation to prevent electrical shorts. Access to the blend door actuator is typically behind the dashboard on the passenger side. Ensure the actuator’s five-pin male terminals align correctly with the vehicle’s wiring harness. After installation, test the HVAC system to confirm proper operation of the blend door.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications. The 604-316 HVAC blend door actuator undergoes quality control testing to ensure durability and reliable performance in Cadillac ATS and CTS vehicles. This part is backed by Dorman’s limited warranty, providing coverage against defects in material and workmanship under normal use.