Hose/Line HVAC: Service and Repair

Hose and Tube

REMOVAL

CAUTION:
- When disconnecting/connecting hoses, do not apply excessive force to them. Confirm that no torsion and excessive tension exists after installing.
- Seal the disconnected hose with a plug or vinyl tape to prevent contamination from entering.

1. Disconnect the ground terminal from battery.
2. Using the refrigerant recovery system, discharge refrigerant.
3. Remove the evaporator unit mounting bolt (A).
4. Remove the low-pressure hose attaching bolts (B).
5. Disconnect the low-pressure hose from evaporator unit.
6. Disconnect the low-pressure hose from compressor.
7. Remove the low-pressure hose from the vehicle.
8. Remove the high-pressure hose attaching bolts (C).
9. Disconnect the high-pressure hose from compressor.
10. Disconnect the high-pressure hose from condenser.
11. Remove the high-pressure hose from the vehicle.
12. Remove the high-pressure tube attaching bolt (D).
13. Remove the high-pressure tube from the vehicle.

INSTALLATION

CAUTION:
- When disconnecting/connecting hoses, do not apply an excessive force to them. Confirm that no torsion and excessive tension exists after installing.
- Seal the disconnected hose with a plug or vinyl tape to prevent contamination from entering.

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

INSPECTION

NOTE: If cracking, damage, or swelling is found on a hose, replace it with a new one.