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Dorman 604-168 HVAC Blend Door Actuator - Auxiliary
| Brand | Dorman 604-168 |
|---|---|
| Position | Auxiliary |
| Material | Plastic |
| Package Contents | 1 Air Door Actuator |
| Switch Activation Type | Rotary |
| Fits | Cadillac · 6 vehicles |
OE-style replacement. Precision-engineered to match original quality and performance.
Rotary actuation. Delivers smooth, precise control of the blend door.
Plastic construction. Lightweight design for dependable HVAC operation.
Cross-references 25770692, ADS4226 and APBDA0187 for the same application. See all 3.
Dorman 604-168 HVAC Blend Door Actuator
Dorman 604-168 is an HVAC heater blend door actuator built for specific vehicle applications where precise air door movement is needed for temperature and mode control. It is engineered to match the fit and function of the original actuator on select Cadillac DTS models, including auxiliary HVAC use.
Key Features
- Rotary switch activation for controlled HVAC door movement
- Plastic housing for application-specific fitment
- Direct replacement style for select blend door actuator locations
- Matches original equipment quality and performance targets
- Fits 2006-2011 Cadillac DTS, Auxiliary
- Part number 604-168 for easy identification and ordering
Detailed Description
This HVAC blend door actuator helps regulate airflow direction and temperature blend inside the climate control system. On 2006-2011 Cadillac DTS models with auxiliary HVAC, the actuator moves the air door to support proper mode selection and cabin comfort. Dorman 604-168 is built as an OE-style replacement for the original unit, making it a practical choice when the factory actuator fails or becomes inconsistent. This part number 604-168 is also referenced for the same application under 25770692, ADS4226, and APBDA0187.
Common Issues It Can Help Solve
- Incorrect air direction from vents
- Temperature stuck on hot or cold
- Clicking or ticking noises from the HVAC case
- Loss of response from the auxiliary climate control actuator
- Uneven cabin comfort in Cadillac DTS HVAC operation
Installation Notes and Tips
Verify the actuator location and connector style before installation. This part uses rotary activation and is intended for the auxiliary position on 2006-2011 Cadillac DTS models. After installation, cycle the HVAC controls to confirm smooth door movement and proper mode selection. If the system has stored HVAC-related faults, clear codes and recheck operation.
Quality Assurance
Dorman designs this blend door actuator to align with the quality and performance of the original part for the listed vehicle applications. It is a replacement HVAC component for buyers seeking a direct-fit solution for Cadillac DTS climate control repair.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2011 | Cadillac | DTS | Auxiliary | HVAC Blend Door Actuator for mode selection in box packaging. |
| 2010 | Cadillac | DTS | Auxiliary | HVAC Blend Door Actuator for mode selection in box packaging. |
| 2009 | Cadillac | DTS | Auxiliary | HVAC Blend Door Actuator for mode selection in box packaging. |
| 2008 | Cadillac | DTS | Auxiliary | HVAC Blend Door Actuator for mode selection in box packaging. |
| 2007 | Cadillac | DTS | Auxiliary | HVAC Blend Door Actuator for mode selection in box packaging. |
| 2006 | Cadillac | DTS | Auxiliary | HVAC Blend Door Actuator for mode selection in box packaging. |
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