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Four Seasons 73097 HVAC Mode Door Actuator - Auxiliary
| Brand | Four Seasons 73097 |
|---|---|
| Position | Auxiliary |
| Door Linkage | Female |
| Mounting Ear Qty. | 3 |
| Style | HVAC Air Door Actuator |
| Terminal Pin Qty. | 3 |
| Product line | Air Door Actuator |
| Fits | Chevrolet, Pontiac, and Oldsmobile · 9 vehicles |
Air door actuator. Controls HVAC airflow with a direct replacement style.
Three mounting ears. Provides a secure, straightforward installation.
Three terminals. Supports reliable electrical connection.
Cross-references Four Seasons 73097, 604199 and 1572786 for the same application. See all 9.
Four Seasons 73097 Air Door Actuator Overview
The Four Seasons 73097 HVAC mode door actuator is built for auxiliary air door control in select Pontiac Montana and Oldsmobile Silhouette applications. It uses a female door linkage, a 3-pin terminal layout, and a 3-ear mounting design for direct replacement service in the HVAC air door system.
Four Seasons Air Door Actuator products are focused on restoring proper HVAC door movement so the system can route air where it is commanded. For drivers searching for a Pontiac Montana auxiliary air door actuator or an Oldsmobile Silhouette HVAC mode door actuator, part number 73097 provides a fitment-specific replacement option.
Key Features
- HVAC air door actuator for auxiliary mode door operation
- Female door linkage for the specified application
- 3 mounting ears for secure installation
- 3 terminal pins for the electrical connection
- Direct-fit replacement under Four Seasons part number 73097
Detailed Description
Four Seasons 73097 is an HVAC mode door actuator used in the auxiliary position on 2001-2005 Pontiac Montana and 2001-2004 Oldsmobile Silhouette models. It controls the movement of the HVAC air door so the system can direct airflow through the proper vents and outlets. This part cross-references A27397 and 604199 for the same application.
When the actuator wears out or loses calibration, the HVAC system may stop responding correctly to mode changes. Replacing the faulty unit with the correct Four Seasons 73097 air door actuator helps restore commanded airflow control in the vehicle’s heating and air conditioning system.
Common Issues This Part May Resolve
- Airflow stuck on one vent setting
- No response when switching HVAC modes
- Clicking or repeated actuator movement behind the dash
- Improper air distribution between defrost, panel, and floor outlets
- Loss of auxiliary HVAC door control
Installation Notes and Tips
Verify the connector style, mounting ear layout, and door linkage before installation. This part is listed for the auxiliary position only, so confirm the vehicle’s HVAC door location matches the application before replacing the actuator. After installation, cycle the HVAC controls to confirm the door moves smoothly and the system responds correctly.
Quality Assurance
Four Seasons supplies HVAC replacement components for service applications, and part number 73097 is cataloged for the specified Pontiac Montana and Oldsmobile Silhouette fitments. Confirm vehicle year, model, and auxiliary position before ordering to ensure the correct replacement.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Pontiac | Montana | 3.4L | V6 | Auxiliary | Air Door Actuator |
| 2004 | Oldsmobile | Silhouette | — | — | Auxiliary | Air Door Actuator |
| 2004 | Pontiac | Montana | — | — | Auxiliary | Air Door Actuator |
| 2003 | Oldsmobile | Silhouette | — | — | Auxiliary | Air Door Actuator |
| 2003 | Pontiac | Montana | — | — | Auxiliary | Air Door Actuator |
| 2002 | Oldsmobile | Silhouette | — | — | Auxiliary | Air Door Actuator |
| 2002 | Pontiac | Montana | — | — | Auxiliary | Air Door Actuator |
| 2001 | Oldsmobile | Silhouette | — | — | Auxiliary | Air Door Actuator |
| 2001 | Pontiac | Montana | — | — | Auxiliary | Air Door Actuator |
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