Four Seasons 66022 A/C Refrigerant Suction Hose

Overview of Four Seasons Hose Assembly 66022

The Four Seasons Hose Assembly 66022 is designed specifically for low-pressure A/C refrigerant suction line applications. Engineered with durable aluminum and rubber materials, this hose assembly is compatible with select Cadillac, Chevrolet, and GMC models, including the Escalade, Tahoe, and Yukon.

• Constructed from aluminum and rubber for durability and flexibility
• Features P-nut fitting on both suction ends for secure connections
• Includes sealing washer and slimline O-rings for leak prevention
• Compatible with R134-a refrigerant systems operating at low pressure
• OE replacement part ensuring proper fit and function
• Includes necessary fittings and gasket/seal for installation
• Does not include bracket, muffler, or service port

Four Seasons Hose Assembly Product Line Details

The Four Seasons Hose Assembly product line focuses on providing reliable hose assemblies for HVAC systems in vehicles. This line emphasizes quality materials and precise fitment to meet original equipment specifications. The 66022 suction hose assembly is part of this line, offering a direct replacement solution for low-pressure refrigerant lines in specific GM vehicles.

Product Description and Features

This A/C refrigerant suction hose assembly is designed to handle R134-a refrigerant in low-pressure HVAC systems. The combination of aluminum and rubber materials ensures resistance to wear and flexibility under varying temperatures. The hose features P-nut fittings on both ends, facilitating a secure and leak-resistant connection. Included slimline washers and O-rings (part number 24404) provide additional sealing to maintain system integrity. This assembly comes without a bracket, muffler, or service port, focusing solely on the suction line function.

Applications and Common Issues Addressed

• Replacement of worn or cracked suction hoses in Cadillac Escalade A/C systems
• Repair of refrigerant leaks caused by damaged fittings or seals in Chevrolet Tahoe HVAC lines
• Restoration of proper refrigerant flow in GMC Yukon low-pressure suction lines
• Elimination of system pressure loss due to faulty or degraded hose assemblies
• Addressing compatibility issues with R134-a refrigerant in specific GM models

Installation Notes and Tips

• Ensure system is depressurized before removing the old suction hose
• Verify that all included fittings, O-rings, and sealing washers are properly installed to prevent leaks
• Use appropriate tools to tighten P-nut fittings without over-torquing
• Inspect surrounding components for wear or damage during installation
• Confirm compatibility with Cadillac Escalade, Chevrolet Tahoe, or GMC Yukon models before installation

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66022 is an OE replacement part manufactured to meet original equipment standards. It includes all necessary seals and fittings to ensure a proper and secure installation. While specific warranty details are not provided, Four Seasons products typically adhere to industry quality controls to maintain reliability and performance in automotive HVAC systems.