AC Refrigerant Suction Hose Repair Guide

Safety First:Before beginning any AC refrigerant hose repair, ensure the system is completely evacuated of refrigerant by a certified technician. Working with AC systems requires proper certification and training.

Basic Suction Hose Replacement Steps:

1. System Evacuation

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

2. Component Identification

• Locate the damaged suction hose
• Identify connection points at both ends
• Take photos for reference if needed

3. Removal Process

• Remove any securing brackets or clips
• Loosen and remove fittings at both ends
• Note the routing path of the original hose
• Remove the old hose carefully

4. New Hose Installation

• Compare new hose to old one for correct length and fittings
• Install new O-rings if required
• Route new hose following original path
• Hand-start fittings to avoid cross-threading
• Torque connections to manufacturer specifications

5. System Testing

• Perform vacuum test to check for leaks
• Recharge system with correct type and amount of refrigerant
• Test AC operation
• Check for any leaks using electronic leak detector

Important Notes:

• Always use new O-rings when replacing AC hoses
• Ensure proper torque specifications are followed
• Only use manufacturer-approved replacement parts
• Professional installation is recommended

Warning: AC system repairs should only be performed by certified technicians. Improper handling of refrigerants is illegal and can be harmful to the environment.

This guide is for informational purposes only. Professional installation is recommended to ensure proper function and prevent system damage.