AC Suction Line Hose Assembly Repair Guide

Safety First:Before beginning any AC system repairs, ensure proper safety equipment is worn, including safety glasses and gloves. The system must be completely discharged by a certified technician before proceeding.

Standard Repair Procedure:

1. System Discharge

• Have a certified technician recover all refrigerant from the system
• Verify system pressure is at 0 PSI

2. Removal Process

• Locate the suction line hose assembly
• Mark the orientation of the hose for proper reinstallation
• Remove mounting brackets or clips securing the hose
• Loosen and remove connection fittings at both ends
• Carefully remove the old hose assembly

3. Installation of New Assembly

• Compare new hose assembly to the old one to ensure proper fit
• Install new O-rings at connection points
• Position new hose assembly following original routing
• Hand-start all fittings to avoid cross-threading
• Torque connections to manufacturer specifications
• Secure all mounting brackets and clips

4. System Service

• Vacuum test the system for at least 30 minutes
• Verify system holds vacuum
• Recharge system with correct type and amount of refrigerant
• Check for leaks using electronic leak detector

5. Final Testing

• Start engine and run AC system
• Verify proper operation and cooling
• Check for any unusual noises or vibrations
• Perform final leak check under operating conditions

Important Notes:

• Always use new O-rings when replacing AC components
• Only use manufacturer-approved replacement parts
• Refrigerant handling must be performed by certified technicians
• Follow all local regulations regarding AC system service

Note: This repair should only be performed by qualified technicians with proper tools and equipment. Improper repair can result in system damage or personal injury.