Hose/Line HVAC: Service and Repair

Hose and Pipe

REMOVAL

CAUTION:
- When disconnecting hoses and pipes, do not apply excessive force. After installing, check that no torsion or excessive tension applied to the hoses.
- Seal the disconnected hose with a plug or vinyl tape to prevent foreign matter from entering.

1. Disconnect the ground cable from the battery.
2. Using the refrigerant recovery system, drain the refrigerant.
3. Remove the bolt and detach the hoses and pipes.

INSTALLATION

CAUTION:
- Always replace with new O-rings.
- When connecting hoses and pipes, do not apply excessive force. After installing, check that no torsion or excessive tension applied to the hoses.

1. Install in the reverse order of removal.
2. Charge refrigerant.

AIR CONDITIONING UNIT

Tightening torque: N.m (kgf.m, ft.lb)
T1: 7.5 (0.76, 5.5)
T2: 10 (1.0, 7.4)
T3: 5 (0.5, 3.7)