Hose/Line HVAC: Service and Repair

Hose and Tube

REMOVAL

CAUTION:
- When disconnecting/connecting hoses, do not apply an excessive force to them. Confirm that no torsion and excessive tension is charged after installing.
- 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 attaching bolt (E).




13. Remove the high-pressure tube from vehicle.

INSTALLATION

CAUTION:
- When disconnecting or connecting the hoses, do not apply excessive force to them. Confirm that no torsion and excessive tension is charged after installing.
- 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.

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