Four Seasons 39685 A/C Expansion Valve - Front

Reliable A/C Expansion Valve for Cadillac CT6

The Four Seasons Expansion Valve 39685 is engineered to regulate refrigerant flow precisely in your Cadillac CT6's air conditioning system. Designed specifically for R134a refrigerant, this block-type valve ensures efficient cooling performance and system reliability.

Key Features of Four Seasons Expansion Valve 39685

• Constructed from durable aluminum for corrosion resistance
• Compatible with R134a refrigerant systems
• Block type design for consistent refrigerant flow control
• Liquid inlet and outlet sizes: No. 6 and No. 8 with sealing washer style
• Suction inlet and outlet sizes: No. 10 and No. 12 with sealing washer style
• Meets or exceeds OEM specifications for Cadillac CT6
• Style without solenoid for direct expansion control
• Super heat rating of -7.000 for precise temperature regulation
• Designed for 1-ton A/C systems

Detailed Description of the Four Seasons Expansion Valve

The Four Seasons Expansion Valve 39685 is a critical component in the HVAC system of the Cadillac CT6, controlling the flow of refrigerant to maintain optimal cooling efficiency. Made from aluminum, this valve offers durability and resistance to corrosion, which is essential for long-term performance. Its block-type design allows for precise metering of refrigerant, ensuring the system operates within the correct pressure and temperature ranges. The valve features sealing washer styles on both liquid and suction inlet and outlet ports, sized specifically to fit the Cadillac CT6's A/C lines. This part is designed to work with R134a refrigerant and supports a 1-ton cooling capacity, matching the vehicle's factory specifications. The absence of a solenoid means it operates mechanically, providing reliable expansion valve function without electronic control.

Common Applications and Issues Addressed

• Regulates refrigerant flow to prevent compressor damage
• Maintains proper superheat levels for efficient cooling
• Prevents evaporator freezing and system pressure imbalances
• Restores A/C system performance in Cadillac CT6 models
• Replaces faulty or worn expansion valves causing inconsistent cooling

Installation Notes and Tips

When installing the Four Seasons Expansion Valve 39685, ensure all sealing washers are properly seated to prevent refrigerant leaks. This valve is designed to fit the specific inlet and outlet sizes of the Cadillac CT6's A/C system, so verify compatibility before installation. Proper evacuation and recharging of the A/C system with R134a refrigerant are necessary after replacement to maintain system integrity and performance.

Quality Assurance and Warranty

Four Seasons Expansion Valve 39685 meets or exceeds OEM standards for the Cadillac CT6, ensuring reliable operation and fitment. Manufactured with high-quality aluminum and precision engineering, this valve is built to last under normal operating conditions. Warranty details are provided by Four Seasons and typically cover defects in materials and workmanship.