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Four Seasons 73170 HVAC Blend Door Actuator - Left or Right
Reliable HVAC Blend Door Actuator for Cadillac CTS and SRX
The Four Seasons Air Door Actuator 73170 is designed to restore precise climate control in your Cadillac CTS or SRX. This HVAC blend door actuator ensures smooth operation of your vehicle's air distribution system, maintaining comfort and efficiency.
- Brand: Four Seasons
- Brand Line: Air Door Actuator
- Part Number: 73170
- Category: HVAC Blend Door Actuator
- Door Linkage Type: Arm
- Mounting Ear Quantity: 4
- Terminal Pin Quantity: 7
- Style: HVAC air door actuator
Product Line Details: Four Seasons Air Door Actuator
The Four Seasons Air Door Actuator product line focuses on delivering reliable HVAC components that regulate airflow within vehicle climate control systems. This actuator model 73170 is engineered to provide consistent performance by controlling the blend door movement, which adjusts the mix of hot and cold air inside the cabin. It is specifically designed for Cadillac models, ensuring compatibility and proper fitment.
Technical Description and Features
This HVAC blend door actuator features an arm-type door linkage that connects directly to the blend door mechanism, allowing precise control of airflow direction and temperature. The actuator includes four mounting ears for secure installation and seven terminal pins for reliable electrical connections. Its design matches the original equipment specifications for Cadillac CTS and SRX models, ensuring seamless integration with the vehicle’s HVAC system.
Common Applications and Problem Resolution
- Restores proper blend door movement in Cadillac CTS and SRX HVAC systems
- Eliminates inconsistent cabin temperature control
- Resolves issues with air not switching between hot and cold settings
- Fixes HVAC system noises caused by faulty actuators
- Prevents failure of climate control functions related to blend door operation
Installation Notes and Tips
When installing the Four Seasons Air Door Actuator 73170, ensure the vehicle’s battery is disconnected to avoid electrical shorts. Carefully remove the old actuator and note the position of the blend door linkage arm. Align the new actuator’s arm linkage and secure it using the four mounting ears. Verify that the seven terminal pins are properly connected to the vehicle’s wiring harness. After installation, test the HVAC system to confirm smooth operation and correct airflow adjustment.
Quality Assurance and Warranty
Four Seasons manufactures the Air Door Actuator 73170 to meet or exceed OEM standards for durability and performance. This part undergoes rigorous quality control to ensure reliable operation in Cadillac CTS and SRX vehicles. Warranty coverage details should be confirmed with the supplier or manufacturer, as they may vary.
| Brand | Four Seasons |
| Part Number | 73170 |
| Position | Air Door Actuator, Left |
| Door Linkage | Arm |
| Mounting Ear Qty. | 4 |
| Style | HVAC Air Door Actuator |
| Terminal Pin Qty. | 7 |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2005 | Cadillac | CTS | Left | To VIN No. 50155651; Air Door Actuator |
| 2005 | Cadillac | CTS | Right | To VIN No. 50155651; Air Door Actuator |
| 2005 | Cadillac | SRX | Left | To VIN No. 50155499; Air Door Actuator |
| 2005 | Cadillac | SRX | Right | To VIN No. 50155499; Air Door Actuator |
| 2004 | Cadillac | CTS | Left | Air Door Actuator |
| 2004 | Cadillac | CTS | Right | Air Door Actuator |
| 2004 | Cadillac | SRX | Left | Air Door Actuator |
| 2004 | Cadillac | SRX | Right | Air Door Actuator |
| 2003 | Cadillac | CTS | Left | Air Door Actuator |
| 2003 | Cadillac | CTS | Right | Air Door Actuator |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.