Four Seasons 39684 A/C Expansion Valve

Reliable A/C Expansion Valve for Chevrolet Volt

The Four Seasons Expansion Valve 39684 is engineered to regulate refrigerant flow in your Chevrolet Volt's air conditioning system. Designed specifically for R134a refrigerant, this aluminum block-type valve ensures precise temperature control and efficient cooling performance.

• Constructed from durable aluminum for long-lasting use
• Compatible with R134a refrigerant systems
• Block type design without solenoid for reliable operation
• Includes sealing washer style liquid and suction inlet/outlet connections
• Meets or exceeds OEM specifications for Chevrolet Volt
• Liquid inlet size No. 6 and outlet size No. 8
• Suction inlet size No. 10 and outlet size No. 12
• Super heat rating of -8.000 for optimal system performance
• Designed for 1-ton A/C systems

About the Four Seasons Expansion Valve Product Line

The Four Seasons Expansion Valve line focuses on delivering precise refrigerant flow control components for automotive HVAC systems. This product line is engineered to meet or exceed OEM standards, providing reliable temperature regulation and system efficiency. The 39684 expansion valve is part of this line, offering a block-type design tailored for vehicles like the Chevrolet Volt that use R134a refrigerant.

Product Details and Specifications

The Four Seasons 39684 expansion valve is crafted from aluminum, providing corrosion resistance and durability under typical automotive operating conditions. Its block-type construction without a solenoid simplifies the design while maintaining effective refrigerant metering. The valve features sealing washer style connections on both liquid and suction sides, ensuring secure and leak-free installation. The liquid inlet and outlet sizes are No. 6 and No. 8 respectively, while the suction inlet and outlet sizes are No. 10 and No. 12, matching OEM dimensions for the Chevrolet Volt. This valve is designed for use with R134a refrigerant and supports a 1-ton A/C system capacity with a super heat rating of -8.000.

Common Applications and Issues Addressed

• Restores proper refrigerant flow in Chevrolet Volt A/C systems
• Resolves inconsistent cabin cooling or temperature fluctuations
• Prevents compressor damage caused by improper refrigerant metering
• Eliminates issues related to refrigerant leaks at expansion valve connections
• Improves overall air conditioning system efficiency and reliability

Installation Notes and Tips

When installing the Four Seasons Expansion Valve 39684 on a Chevrolet Volt, ensure all sealing washers are properly seated to prevent leaks. Verify compatibility with R134a refrigerant systems and confirm inlet and outlet sizes match the vehicle’s specifications. It is recommended to evacuate and recharge the A/C system following installation to maintain optimal performance. Professional installation is advised to ensure correct handling of refrigerant and system components.

Quality Assurance and Warranty

This Four Seasons expansion valve meets or exceeds OEM standards for fit, form, and function on Chevrolet Volt models. Manufactured with quality aluminum materials and precise engineering, it supports reliable HVAC system operation. Warranty details are provided by Four Seasons and typically cover defects in material and workmanship under normal use conditions.