Four Seasons 66111 A/C Suction and Liquid Line Hose Assembly

Overview of Four Seasons Hose Assembly 66111

The Four Seasons Hose Assembly 66111 is designed for reliable HVAC system performance in select Buick, Chevrolet, and Pontiac vehicles. This A/C suction and liquid line hose assembly supports R134a refrigerant systems, ensuring proper pressure management and efficient air conditioning operation.

Key Features of the Hose Assembly

• End 1 Type: Flange connection for secure sealing
• End 2 Type: Male p-nut fitting for easy installation
• Compatible with R134a refrigerant systems
• Includes gasket and multiple O-rings for leak prevention
• Equipped with both high and low pressure service ports
• Comes with a bracket and manifold for stable mounting
• Switch service port included for system diagnostics
• Liquid line features a captured o-ring style with male gender
• O-ring quantities: 2 of type A, 1 each of types B, C, and D
• OE replacement part designed to meet original equipment specifications

Detailed Description of Four Seasons Hose Assembly

This Four Seasons Hose Assembly 66111 belongs to the Hose Assembly product line, which focuses on delivering complete hose and pipe solutions for automotive HVAC systems. The assembly integrates both suction and liquid line hoses, designed to handle high and low system pressures effectively. It includes all necessary fittings, gaskets, and O-rings to ensure a secure, leak-free connection. The inclusion of a switch service port and dual service ports (high and low side) facilitates maintenance and system monitoring. The assembly is built without an orifice tube or muffler, streamlining the airflow path within the HVAC system.

Compatible Vehicles and Applications

This hose assembly is compatible with the following makes and models:

• Buick Allure and LaCrosse
• Chevrolet Impala and Monte Carlo
• Pontiac Grand Prix

It is specifically designed to replace original equipment parts in these vehicles, ensuring proper fit and function within their HVAC systems.

Common Issues Addressed by This Hose Assembly

• Leaking refrigerant due to worn or damaged hoses
• Reduced A/C performance from clogged or deteriorated lines
• System pressure imbalances affecting cooling efficiency
• Difficulty in servicing HVAC system without proper service ports
• Vibration or movement causing hose damage without proper brackets

Installation Notes and Tips

• Ensure system is fully evacuated and depressurized before removal
• Verify all included O-rings and gaskets are properly seated to prevent leaks
• Use the provided bracket and manifold for secure hose routing
• Check compatibility with vehicle refrigerant type R134a before installation
• Inspect service ports for accessibility to facilitate future maintenance

Quality Assurance and Warranty

The Four Seasons Hose Assembly 66111 is an OE replacement part manufactured to meet original equipment standards. It includes all necessary fittings and seals to maintain system integrity. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.