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Four Seasons 73238 HVAC Blend Door Actuator - Left Main or Main
Reliable HVAC Blend Door Actuator for Buick, Oldsmobile, and Pontiac
The Four Seasons Air Door Actuator 73238 is designed to restore proper airflow control in your vehicle's HVAC system. Compatible with Buick Aztek, Oldsmobile Silhouette, and Pontiac Montana and Rendezvous models, this actuator ensures precise blend door movement for optimal cabin temperature regulation.
- HVAC blend door actuator with arm-style door linkage
- Equipped with 3 mounting ears for secure installation
- Features 4 terminal pins for reliable electrical connection
- Part number 73238 for exact fitment on specified GM models
- Compatible with Buick Aztek, Oldsmobile Silhouette, Pontiac Montana, and Rendezvous
Four Seasons Air Door Actuator Product Line Overview
The Air Door Actuator line by Four Seasons focuses on delivering precise control of HVAC air doors to maintain consistent cabin comfort. This product line includes actuators engineered to match OEM specifications, featuring durable components such as arm-style door linkages and multiple mounting points to ensure proper fit and function. The 73238 actuator is part of this line, providing dependable operation for select GM vehicles.
Detailed Product Description and Attributes
The Four Seasons 73238 HVAC blend door actuator is designed with an arm-style door linkage that moves the blend door smoothly to regulate air temperature inside the vehicle. It includes three mounting ears, which provide a stable and secure attachment to the HVAC housing, minimizing vibration and noise. The actuator uses four terminal pins to establish a solid electrical connection, ensuring consistent performance. This actuator style is specifically engineered for HVAC air door control, making it suitable for the blend door function in Buick Aztek, Oldsmobile Silhouette, and Pontiac Montana and Rendezvous models.
Common HVAC Issues Addressed by This Actuator
- Inconsistent cabin temperature due to blend door malfunction
- HVAC system failing to switch between hot and cold air
- Unusual noises from the HVAC system indicating actuator wear
- Airflow stuck in one position or not responding to controls
- Electrical connection problems causing intermittent HVAC operation
Installation Notes and Tips
- Ensure vehicle compatibility with Buick Aztek, Oldsmobile Silhouette, Pontiac Montana, or Rendezvous before installation
- Disconnect the battery to prevent electrical shorts during replacement
- 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 three mounting ears
- Verify the four terminal pins are properly connected to the vehicle’s wiring harness
- Test the HVAC system for proper blend door movement before reassembling panels
Quality Assurance and Warranty Information
Four Seasons manufactures the 73238 Air Door Actuator to meet or exceed OEM standards for durability and performance. Each actuator undergoes quality control testing to ensure reliable operation within the HVAC system. While specific warranty details may vary, Four Seasons typically offers coverage against defects in materials and workmanship, providing confidence in the product’s longevity and function.
| Brand | Four Seasons |
| Part Number | 73238 |
| Position | Air Door Actuator, Left Main |
| Door Linkage | Arm |
| Mounting Ear Qty. | 3 |
| Style | HVAC Air Door Actuator |
| Terminal Pin Qty. | 4 |
This part fits 29 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2007 | Buick | Rendezvous | Main | Not compatible with dual-zone climate control.; Air Door Actuator |
| 2007 | Buick | Rendezvous | Left Main | Vehicle is compatible with Dual Zone Climate Control for HVAC Recirculation Door Actuator.; Air Door Actuator |
| 2006 | Buick | Rendezvous | Main | Not compatible with dual-zone climate control.; Air Door Actuator |
| 2006 | Buick | Rendezvous | Left Main | Vehicle is compatible with Dual Zone Climate Control for HVAC Recirculation Door Actuator.; Air Door Actuator |
| 2005 | Buick | Rendezvous | Main | Not compatible with dual-zone climate control.; Air Door Actuator |
| 2005 | Buick | Rendezvous | Left Main | Vehicle is compatible with Dual Zone Climate Control for HVAC Recirculation Door Actuator.; Air Door Actuator |
| 2005 | Pontiac | Aztek | Main | Air Door Actuator |
| 2004 | Buick | Rendezvous | Main | Not compatible with dual-zone climate control.; Air Door Actuator |
| 2004 | Buick | Rendezvous | Left Main | Vehicle is compatible with Dual Zone Climate Control for HVAC Recirculation Door Actuator.; Air Door Actuator |
| 2004 | Oldsmobile | Silhouette | Main | Not compatible with dual-zone climate control.; Air Door Actuator |
| 2004 | Oldsmobile | Silhouette | Left Main | Vehicle is compatible with Dual Zone Climate Control for HVAC Recirculation Door Actuator.; Air Door Actuator |
| 2004 | Pontiac | Aztek | Main | Air Door Actuator |
| 2004 | Pontiac | Montana | Main | Air Door Actuator |
| 2003 | Buick | Rendezvous | Main | Not compatible with dual-zone climate control.; Air Door Actuator |
| 2003 | Buick | Rendezvous | Left Main | Vehicle is compatible with Dual Zone Climate Control for HVAC Recirculation Door Actuator.; Air Door Actuator |
| 2003 | Oldsmobile | Silhouette | Main | Not compatible with dual-zone climate control.; Air Door Actuator |
| 2003 | Oldsmobile | Silhouette | Left Main | Vehicle is compatible with Dual Zone Climate Control for HVAC Recirculation Door Actuator.; Air Door Actuator |
| 2003 | Pontiac | Aztek | Main | Air Door Actuator |
| 2003 | Pontiac | Montana | Main | Air Door Actuator |
| 2002 | Buick | Rendezvous | Main | Not compatible with dual-zone climate control.; Air Door Actuator |
| 2002 | Buick | Rendezvous | Left Main | Vehicle is compatible with Dual Zone Climate Control for HVAC Recirculation Door Actuator.; Air Door Actuator |
| 2002 | Oldsmobile | Silhouette | Main | Not compatible with dual-zone climate control.; Air Door Actuator |
| 2002 | Oldsmobile | Silhouette | Left Main | Vehicle is compatible with Dual Zone Climate Control for HVAC Recirculation Door Actuator.; Air Door Actuator |
| 2002 | Pontiac | Aztek | Main | Air Door Actuator |
| 2002 | Pontiac | Montana | Main | Air Door Actuator |
| 2001 | Oldsmobile | Silhouette | Main | Not compatible with dual-zone climate control.; Air Door Actuator |
| 2001 | Oldsmobile | Silhouette | Left Main | Vehicle is compatible with Dual Zone Climate Control for HVAC Recirculation Door Actuator.; Air Door Actuator |
| 2001 | Pontiac | Aztek | Main | Air Door Actuator |
| 2001 | Pontiac | Montana | Main | 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.