Hose/Line HVAC: Service and Repair

Refrigerant Line Refrigerant Line and Associated Parts

Removal
1. Disconnect the battery ground cable.
2. Discharge and recover refrigerant.
3. Remove radiator grille.
4. Remove air cleaner.
5. Remove clip and clamp.
6. Disconnect liquid line (High-pressure pipe).
7. Disconnect suction line (Low-pressure pipe) using a back-up wrench.
8. Disconnect suction line (Low-pressure hose) using a back-up wrench.
9. Disconnect discharge line (High-pressure hose) using a back-up wrench.
- Use a backup wrench when disconnecting and reconnecting the refrigerant lines.
- When removing the refrigerant line connecting part, the connecting part should immediately be plugged or capped to prevent foreign matter from being mixed into the line.

Installation
To install, follow the removal steps in the reverse order, noting the following points:
1. O-rings cannot be reused. Always replace with new ones.
2. Be sure to apply new compressor oil to the O-rings when connecting lines.
3. Tighten the refrigerant line to the specified torque.