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Four Seasons 39152 A/C Expansion Valve - Rear
Reliable A/C Expansion Valve for Buick, Chevrolet, Pontiac, and Saturn
The Four Seasons Expansion Valve 39152 is engineered to regulate refrigerant flow in your vehicle's air conditioning system. Designed specifically for select Buick Montana, Chevrolet Relay, Pontiac Terraza, and Saturn Uplander models, this aluminum block-type valve ensures consistent cooling performance with R134a refrigerant.
Key Features of Four Seasons Expansion Valve 39152
- Constructed from durable aluminum for corrosion resistance and longevity
- Compatible with R134a refrigerant systems
- Block type design with two mounting holes for secure installation
- Female suction and liquid inlet/outlet fittings with sealing washer style for leak prevention
- Meets or exceeds OEM specifications for reliable fit and function
- Includes slim line sealing washers (O-Rings 24401 and 24402) for optimal sealing
About the Four Seasons Expansion Valve Product Line
The Four Seasons Expansion Valve line focuses on precision-engineered A/C flow restrictors that maintain proper refrigerant metering in automotive air conditioning systems. This product line emphasizes OEM compatibility and material quality, ensuring that each expansion valve, including part number 39152, delivers consistent performance and durability for specific vehicle applications.
Detailed Product Description
This A/C expansion valve is designed as a block type valve made from aluminum, providing a lightweight yet robust component for your vehicle's HVAC system. It features female fittings on both suction and liquid inlet/outlet sides, with thread diameters of No. 12 for suction and No. 6 and No. 8 for liquid connections. The sealing washer style fittings help prevent refrigerant leaks, maintaining system efficiency. The valve is compatible with R134a refrigerant, the standard for many modern vehicles, including Buick Montana, Chevrolet Relay, Pontiac Terraza, and Saturn Uplander models. The part number 39152 ensures precise fitment and function, meeting or exceeding OEM standards.
Common Issues Addressed by This Expansion Valve
- Inconsistent or insufficient air conditioning cooling
- Refrigerant flow restrictions causing system inefficiency
- Leaks due to worn or damaged expansion valve components
- Failure to regulate refrigerant pressure properly
- System freeze-ups or overheating caused by faulty valve operation
Installation Notes and Tips
- Ensure compatibility with your vehicle’s make and model before installation
- Use proper tools to avoid damaging the aluminum fittings and sealing washers
- Replace O-rings and sealing washers as needed to maintain leak-free connections
- Follow manufacturer torque specifications for mounting bolts
- Evacuate and recharge the A/C system with R134a refrigerant after installation
Quality Assurance and Warranty
The Four Seasons Expansion Valve 39152 is manufactured to meet or exceed OEM quality standards, ensuring reliable performance and durability. This part undergoes rigorous testing to confirm fitment and function for Buick Montana, Chevrolet Relay, Pontiac Terraza, and Saturn Uplander vehicles. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | Four Seasons |
|---|---|
| Part Number | 39152 |
| Position | Expansion Valve, Rear |
| Color | Aluminum |
| Description | Expansion Valves |
| Liquid Inlet Fitting Gender | Female |
| Liquid Inlet Fitting Thread Diameter | No. 6 |
| Liquid Inlet Size IN | 0.34 |
| Liquid Inlet Size MM | 8.6 |
| Liquid Inlet Style | Sealing Washer |
| Liquid Inlet Thread Type | Not Threaded |
| Liquid Inlet Type | Sealing Washer |
| Liquid Outlet Fitting Gender | Female |
| Liquid Outlet Fitting Thread Diameter | No. 8 |
| Liquid Outlet Style | Sealing Washer |
| Liquid Outlet Thread Type | Not Threaded |
| Liquid Outlet Type | Sealing Washer |
| Lqd Out Size IN | 0.46 |
| Lqd Out Size MM | 11.8 |
| Material | Aluminum |
| Meets / Exceeds OEM? | Yes |
| Mounting Hole Quantity | 2 |
| O-Ring A Number/Desc | [24401] / Slim Line Sealing Washer |
| O-Ring B Number/Desc | [24402] / Slimline Washer |
| O-Ring C Number/Desc | [24404] / Slimline Washer |
| Refrigerant Type | R134A |
| Style | w/o Solenoid |
| Suc In Size IN | 0.700 |
| Suc In Size MM | 17.7 |
| Suc Out Size IN | 0.700 |
| Suc Out Size MM | 17.7 |
| Suction Inlet Fitting Gender | Female |
| Suction Inlet Fitting Thread Diameter | No. 12 |
| Suction Inlet Style | Sealing Washer |
| Suction Inlet Thread Type | Not Threaded |
| Suction Inlet Type | Sealing Washer |
| Suction Outlet Fitting Gender | Female |
| Suction Outlet Fitting Thread Diameter | No. 12 |
| Suction Outlet Style | Sealing Washer |
| Suction Outlet Thread Type | Not Threaded |
| Suction Outlet Type | Sealing Washer |
| Super Heat | 3.000 |
| Switch Included? | Not Included |
| Tonnage | 1.500 |
| Type | Block Type |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2009 | Chevrolet | Uplander | Rear | Expansion Valve |
| 2008 | Chevrolet | Uplander | Rear | Expansion Valve |
| 2007 | Buick | Terraza | Rear | Expansion Valve |
| 2007 | Chevrolet | Uplander | Rear | Expansion Valve |
| 2007 | Saturn | Relay | Rear | Expansion Valve |
| 2006 | Buick | Terraza | Rear | Expansion Valve |
| 2006 | Chevrolet | Uplander | Rear | Expansion Valve |
| 2006 | Pontiac | Montana | Rear | Expansion Valve |
| 2006 | Saturn | Relay | Rear | Expansion Valve |
| 2005 | Buick | Terraza | Rear | Expansion Valve |
| 2005 | Chevrolet | Uplander | Rear | Expansion Valve |
| 2005 | Saturn | Relay | Rear | Expansion Valve |
* 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.