Removal and Replacement
A/C UNIT REMOVAL/INSTALLATION1. Remove the battery cover.
2. Disconnect the negative battery cable.
3. Discharge the refrigerant. (See REFRIGERANT CHARGING.)
4. Drain the engine coolant.
5. Disconnect from the A/C unit in the order indicated in the table.
CAUTION: If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and abnormal noise or other malfunction could occur. Always plug open fittings immediately after removing any refrigeration cycle parts.
6. Remove the following parts:
1. Front door.
2. Front scuff plate.
3. Front side trim.
4. Side wall.
5. Side panel.
6. Shift lever component (MTX).
7. Selector lever component (ATX).
8. Front console.
9. Glove compartment.
10. Undercover
11. Lower panel.
12. Driver-side air bag module.
13. Column cover.
14. Steering wheel.
15. Instrument cluster.
16. A-pillar trim.
17. Energy-absorber shaft.
18. Center panel module (with audio system).
19. Air mix wire (Manual air conditioner)
20. Airflow mode wire (Manual air conditioner)
21. Climate control unit.
22. Car-navigation unit (with car-navigation system).
23. Windshield wiper arm.
24. Cowl grille.
25. Cowl panel.
7. Remove the A/C unit installation nut from the engine compartment, then remove the A/C unit.
8. Remove the rear heat duct (1).
9. Disconnect the drain hose connected to the A/C unit.
10. Remove the dashboard with A/C unit.
CAUTION: If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and abnormal noise or other malfunction could occur. Always plug open fittings immediately after removing any refrigeration cycle parts.
11. Disconnect the following connectors:
- Blower motor connector
- Power MOS FET connector (Full-Auto Air Conditioner)
- Evaporator temperature sensor connector
- Air intake actuator connector
- Air mix actuator connector (Full-Auto air conditioner)
- Airflow mode actuator connector (Full-Auto Air Conditioner)
- Resistor connector (Manual air conditioner)
12. Remove the heater case.
1. Remove the screws.
2. Pull up tab A in the direction shown by the arrow in the figure and remove it from the A/C unit.
3. Pull up tabs B in the direction shown by the arrow in the figure and remove it from the A/C unit.
13. Remove front heat duct.
14. Remove the nuts and bolts for installing the A/C unit to the dashboard.
15. Remove the A/C unit.
16. Install in the reverse order of removal. (See A/C Unit Installation Note.)
17. Inspect for engine coolant leakage. (See ENGINE COOLANT LEAKAGE INSPECTION [L3].)
18. Perform the refrigerant system performance test. (See REFRIGERANT SYSTEM PERFORMANCE TEST.) Refrigerant System Performance Test
A/C Unit Installation Nut Removal Note
NOTE: If the adjusting bolt rotates when removing the A/C unit nut, keep rotating the nut. The adjusting bolt stops rotating when it contacts the A/C unit and the nut can be removed.
A/C Unit Installation Note
1. When replacing the A/C unit or evaporator, add compressor oil to the refrigerant cycle.
Supplemental oil amount (approx. quantity)
25 ml {25 cc, 0.8 fl oz}
2. Tighten the A/C unit adjusting bolt until it lightly touches the A/C unit.