Four Seasons 56638 A/C Suction and Liquid Line Hose Assembly

Reliable A/C Suction and Liquid Line Hose Assembly for Buick and Pontiac

The Four Seasons Hose Assembly part number 56638 is designed specifically for Buick Bonneville and Pontiac LeSabre models. This A/C suction and liquid line hose assembly ensures proper refrigerant flow and system pressure management for vehicles using R134-a refrigerant.

Key Features of Four Seasons Hose Assembly 56638

• Compatible with Buick Bonneville and Pontiac LeSabre
• Includes both high pressure and low pressure system capabilities
• Equipped with P-nut fittings on both ends for secure connections
• Comes with included gaskets, seals, and fittings for complete installation
• Features two service ports with switch service port for easy maintenance
• Includes an orifice tube and bracket for proper mounting
• O-rings included: two slimline washers each of part numbers 24402 and 24404
• OE replacement part ensuring direct fit and function

Detailed Description of the Four Seasons Hose Assembly

The Four Seasons Hose Assembly line offers durable and precise HVAC hose assemblies designed to meet original equipment specifications. The 56638 hose assembly is engineered for the A/C suction and liquid line system in Buick Bonneville and Pontiac LeSabre vehicles. It supports R134-a refrigerant and manages both high and low system pressures effectively. The assembly includes P-nut fittings on both ends, ensuring a secure and leak-free connection. Additionally, it comes with all necessary gaskets, seals, and fittings, including two service ports—one on the high side and one on the low side—facilitating easy system servicing. The included orifice tube and mounting bracket provide proper installation and system performance without the need for additional parts.

Common Applications and Issues Addressed

• Replacement of worn or leaking A/C suction and liquid line hoses
• Restoring proper refrigerant flow in Buick Bonneville and Pontiac LeSabre A/C systems
• Resolving pressure inconsistencies caused by damaged or faulty hoses
• Eliminating refrigerant leaks due to degraded seals or fittings
• Facilitating maintenance with included service ports and switch port

Installation Notes and Tips

• Ensure vehicle compatibility with Buick Bonneville or Pontiac LeSabre before installation
• Use included gaskets and O-rings to prevent leaks and maintain system integrity
• Check that both P-nut fittings are securely tightened to manufacturer torque specifications
• Verify the orifice tube is properly seated and the bracket is mounted firmly
• Utilize the service ports for pressure testing and refrigerant charging

Quality Assurance and Warranty Information

Four Seasons Hose Assembly 56638 is an OE replacement part manufactured to meet or exceed original equipment standards. The product includes all necessary components for a complete and reliable installation. While specific warranty details may vary, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship to ensure long-term performance and customer satisfaction.