Universal Air EX529458C A/C Expansion Valve - Rear

Reliable A/C Expansion Valve for Select GM Vehicles

The Universal Air Block Expansion Valve EX529458C is designed to regulate refrigerant flow in the air conditioning systems of various GM makes and models. This A/C expansion valve ensures efficient cooling performance and system reliability for vehicles like the Chevrolet Malibu and Cadillac Escalade EXT.

Key Features of the Universal Air EX529458C

• Compatible with Buick, Cadillac, Chevrolet, GMC, Pontiac, and Saturn models
• Part of the Block Expansion Valve product line for precise refrigerant control
• Designed to fit models including Allure, Aura, Cobalt, Escalade ESV, Escalade EXT, G5, G6, Grand Prix, HHR, Impala, Ion, LaCrosse, Malibu, Monte Carlo, Pursuit, Suburban 1500, Suburban 2500, Tahoe, Yukon XL 1500, and Yukon XL 2500
• OEM-quality construction for durability and consistent performance
• Part number EX529458C for accurate identification and replacement

About the Block Expansion Valve Product Line

The Block Expansion Valve line by Universal Air focuses on delivering precise flow restriction components for automotive HVAC systems. This product line is engineered to maintain optimal refrigerant metering, which is critical for the efficient operation of air conditioning units in a range of GM vehicles. The EX529458C valve is a key component within this line, ensuring proper system pressure and temperature regulation.

Detailed Product Description

The Universal Air EX529458C A/C expansion valve controls the flow of refrigerant into the evaporator, allowing the air conditioning system to maintain the correct pressure and temperature balance. This valve is essential for preventing compressor damage and ensuring consistent cabin cooling. Compatible with a wide range of GM vehicles, including the Chevrolet Impala and GMC Yukon XL 2500, this valve meets the specifications required for reliable HVAC system performance.

Common Issues Addressed by the EX529458C Expansion Valve

• Inconsistent or insufficient cabin cooling
• Compressor cycling or failure due to improper refrigerant flow
• Frost buildup on the evaporator coil
• High system pressure causing HVAC inefficiency
• Reduced overall air conditioning system lifespan

Installation Notes and Tips

• Ensure compatibility by verifying vehicle make and model before installation
• Follow manufacturer guidelines for refrigerant handling and system evacuation
• Inspect related HVAC components for wear or damage during replacement
• Use proper tools to avoid damage to the valve or surrounding parts
• Test the A/C system after installation to confirm proper operation

Quality Assurance and Warranty Information

The Universal Air EX529458C expansion valve is manufactured to meet industry standards for durability and performance. While specific warranty details may vary, Universal Air products typically come with a limited warranty against defects in materials and workmanship. This ensures confidence in the part’s reliability when installed in compatible Buick, Cadillac, Chevrolet, GMC, Pontiac, and Saturn vehicles.