Hose/Line HVAC: Service and Repair

Hose and Tube

REMOVAL

CAUTION:
- When disconnecting/connecting hoses, do not apply an excessive force to them. 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 battery.
2. Using the refrigerant recovery system, discharge refrigerant.
3. Remove the evaporator unit mounting bolt (A) and low-pressure hose bracket bolt (B).
4. Remove the low-pressure hose attaching bolts (C).
5. Disconnect the low-pressure hose from evaporator unit.
6. Disconnect the low-pressure hose from compressor.
7. Remove the low-pressure hose from vehicle.
8. Remove the high-pressure hose attaching bolt (D).
9. Disconnect the high-pressure hose from compressor.
10. Disconnect the high-pressure hose from condenser.
11. Remove the high-pressure hose from vehicle.
12. Remove the high-pressure tube attaching bolt (E).
13. Remove the high-pressure tube from vehicle.






INSTALLATION

CAUTION:
- When disconnecting or connecting the hoses, 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. 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)