Four Seasons 38645 A/C Orifice Tube

Reliable A/C Orifice Tube for Buick, Chevrolet, Oldsmobile, Pontiac

The Four Seasons 38645 Orifice Tube is designed to regulate refrigerant flow in your vehicle's air conditioning system. Compatible with select Buick, Chevrolet, Oldsmobile, and Pontiac models, this gray and white porous expansion device ensures proper A/C performance and system efficiency.

Key Features of Four Seasons 38645 Orifice Tube

• Part Number: 38645
• Color: Gray / white for easy identification
• Orifice Diameter: 0.062 inches for precise refrigerant flow control
• Style: Porous design to optimize expansion and pressure regulation
• Pack Quantity: Sold individually
• Compatible with Buick Century, Chevrolet Impala, Monte Carlo, Oldsmobile Intrigue, Pontiac Grand Prix, Regal, and Lumina

About the Four Seasons Orifice Tube Product Line

The Four Seasons Orifice Tube line focuses on providing reliable expansion devices that control refrigerant flow within automotive A/C systems. This product line is engineered to meet OEM specifications, ensuring consistent performance and durability. The 38645 orifice tube is part of this line, offering a porous style design that supports efficient pressure regulation in compatible vehicles.

Detailed Product Description

The Four Seasons 38645 A/C Orifice Tube serves as a critical component in the HVAC system by restricting refrigerant flow to maintain proper pressure and temperature levels. Its 0.062-inch orifice diameter is calibrated to match specific vehicle requirements, helping to prevent compressor damage and maintain optimal cooling. The porous style design allows for controlled expansion of refrigerant, contributing to system efficiency and longevity. This orifice tube is finished in gray and white colors, aiding technicians in quick identification during service.

Common Applications and Issues Addressed

• Restores proper refrigerant flow in Buick Century and Chevrolet Monte Carlo A/C systems
• Prevents compressor failure caused by incorrect refrigerant pressure
• Resolves inconsistent cabin cooling in Oldsmobile Intrigue and Pontiac Grand Prix models
• Eliminates A/C system blockages related to faulty orifice tubes
• Supports efficient operation of Chevrolet Lumina and Buick Regal air conditioning units

Installation Notes and Tips

• Ensure system is fully evacuated and depressurized before removal
• Inspect the A/C system for contamination or debris prior to installation
• Use proper tools to avoid damage to the orifice tube or surrounding components
• Verify correct orientation and seating of the orifice tube during installation
• Consult vehicle-specific service manuals for torque specifications and procedures

Quality Assurance and Warranty

Four Seasons manufactures the 38645 Orifice Tube to meet stringent quality standards, ensuring reliable performance in compatible Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. While specific warranty details may vary, Four Seasons products typically include coverage against defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.