Dorman 604-167 HVAC Blend Door Actuator - Right Main

HVAC Blend Door Actuator for Cadillac DeVille

Dorman 604-167 is a rotary HVAC blend door actuator built for specific Cadillac DeVille applications. It is engineered to match the fit and operating performance of the original heater blend door actuator on the listed vehicles, helping restore temperature control in the HVAC system.

Key Features

• Rotary switch activation type for HVAC blend door operation
• Plastic housing construction
• Direct replacement for the original actuator on select applications
• Fits 2000-2005 Cadillac DeVille, Right Main
• Part number 604-167 for easy identification

Detailed Description

This HVAC heater blend door actuator is intended for temperature control service on 2000-2005 Cadillac DeVille models in the Right Main position. Dorman 604-167 is built to match the quality and performance of the original actuator, making it a practical replacement when the factory unit no longer moves the blend door correctly. This part cross-references ACDelco 52474996 for the same application.

Common Problems It Can Help Solve

• Inconsistent cabin temperature from the HVAC vents
• Air stuck on hot or cold settings
• Blend door movement that is slow, noisy, or unresponsive
• Loss of proper temperature mixing in the climate control system
• HVAC output that does not match the selected setting

Installation Notes and Tips

Verify the vehicle year, make, model, and Right Main position before ordering. On Cadillac DeVille applications, confirm the actuator location and connector style against the original unit before installation. After replacement, cycle the HVAC controls to allow the system to relearn actuator positions if required by the vehicle.

Quality Assurance

Dorman manufactures this actuator as an OE-style replacement for specific vehicle applications, with attention to fit, function, and material selection. Part number 604-167 is referenced for accurate ordering and service matching.