Denso 475-2078 A/C Expansion Valve

Overview of the Denso New Expansion Valve 475-2078

The Denso New Expansion Valve 475-2078 is designed specifically for HVAC systems in select Buick and Cadillac models. This A/C expansion valve plays a critical role in regulating refrigerant flow, ensuring efficient air conditioning performance in vehicles like the Buick Lucerne and Cadillac DTS.

• Type: Block valve design for precise refrigerant control
• Compatible with Buick Lucerne and Cadillac DTS models
• Part number 475-2078 for accurate identification
• Category: HVAC > A/C Flow Restrictors
• Manufactured by Denso, a trusted automotive parts brand

About the Denso New Expansion Valve Product Line

The New Expansion Valve line from Denso focuses on delivering reliable and consistent performance for vehicle air conditioning systems. This product line emphasizes precise flow restriction and durability, which are essential for maintaining optimal HVAC function. The 475-2078 valve is part of this line, ensuring compatibility and quality for Buick and Cadillac A/C systems.

Detailed Product Description

The Denso 475-2078 A/C expansion valve is a block valve type designed to regulate the flow of refrigerant within the air conditioning system. By controlling refrigerant flow, it helps maintain the correct pressure and temperature balance, which is vital for efficient cooling. This valve is engineered to meet the specifications required by Buick Lucerne and Cadillac DTS models, ensuring proper fitment and function. Its robust construction supports long-term durability under typical operating conditions.

Common Issues Addressed by This Expansion Valve

• Inconsistent or insufficient cooling in Buick Lucerne and Cadillac DTS A/C systems
• Refrigerant flow irregularities causing compressor strain
• HVAC system pressure imbalances leading to poor performance
• Blockages or malfunctions in the A/C flow restrictor component
• Replacement of worn or faulty expansion valves to restore system efficiency

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

Denso manufactures the 475-2078 expansion valve to meet strict quality standards, ensuring reliable performance in Buick Lucerne and Cadillac DTS vehicles. While specific warranty details may vary, Denso parts typically come with a limited warranty covering defects in materials and workmanship. Always consult the warranty documentation provided with the part for exact terms.