Four Seasons 39699 A/C Expansion Valve - Front

Reliable A/C Expansion Valve for Cadillac, Chevrolet, and GMC

The Four Seasons Expansion Valve 39699 is engineered to regulate refrigerant flow in your vehicle's air conditioning system. Designed specifically for select Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon models, this aluminum block-type valve ensures precise temperature control and system efficiency.

Key Features of Four Seasons Expansion Valve 39699

• Constructed from durable aluminum for long-lasting performance
• 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 Cadillac, Chevrolet, and GMC vehicles
• Liquid inlet size No. 6 and outlet size No. 10 for proper fitment
• Suction inlet size No. 8 and outlet size No. 10 ensuring system compatibility
• Super heat rating of -0.5 for optimal cooling efficiency
• Designed for 1-ton A/C systems

About the Four Seasons Expansion Valve Product Line

The Expansion Valve line by Four Seasons focuses on delivering precise refrigerant flow control components for automotive HVAC systems. This product line emphasizes OEM-level fit and function, ensuring that each valve, including part number 39699, integrates seamlessly with factory A/C systems in vehicles like the Cadillac Escalade and GMC Yukon. The block type design without solenoid simplifies installation and maintenance while maintaining system reliability.

Detailed Product Description

The Four Seasons Expansion Valve 39699 is a critical component in the air conditioning system of select full-size SUVs such as the Chevrolet Tahoe and Cadillac Escalade. Made from aluminum, this valve is designed to withstand the demands of automotive HVAC environments. It controls the flow of R134a refrigerant by regulating pressure and temperature, which helps maintain consistent cabin comfort. The sealing washer style connections on both liquid and suction sides ensure leak-free operation. This valve meets or exceeds OEM standards, providing a dependable replacement option for vehicles requiring a block type expansion valve without a solenoid.

Common Issues Addressed by This Expansion Valve

• Inconsistent or insufficient cabin cooling
• Refrigerant flow restrictions causing A/C system inefficiency
• Leaks at liquid or suction connections due to worn valves
• Failure of original expansion valve components in Cadillac Escalade, Chevrolet Tahoe, or GMC Yukon
• System pressure imbalances affecting compressor performance

Installation Notes and Tips

When installing the Four Seasons Expansion Valve 39699, ensure compatibility with your vehicle’s refrigerant type R134a and confirm the correct inlet and outlet sizes (No. 6 liquid inlet, No. 10 liquid outlet, No. 8 suction inlet, No. 10 suction outlet). Use proper sealing washers to prevent leaks. This block type valve is designed for vehicles without a solenoid in the expansion valve assembly. Follow manufacturer torque specifications and system evacuation procedures for optimal results.

Quality Assurance and Warranty

Four Seasons Expansion Valve 39699 is manufactured to meet or exceed OEM quality standards, ensuring reliable performance in Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon models. The product undergoes rigorous testing to maintain durability and functionality. Warranty details are provided by Four Seasons and typically cover defects in material and workmanship under normal use.