7B-24 Air Conditioning System: Manual Type
HVAC Unit Removal and Installation
S7RS0B7216006
Removal
1) Disconnect negative (–) cable from battery.
2) Disable air bag system referring to “Disabling Air
Bag System in Section 8B”.
3) Recover refrigerant from A/C system with recovery
and recycling equipment referring to “Recovery” in
“Operation Procedure for Refrigerant Charge”.
4) Remove cowl top panel referring to “Cowl Top
Components in Section 9K”.
5) Drain engine coolant, and then disconnect heater
hoses (1) from HVAC unit (2).
6) Remove instrument panel from vehicle body
referring to “Audio Unit Removal and Installation in
Section 9C”.
7) Loosen suction hose and liquid pipe bolt (4).
8) Remove nuts (3).
9) Remove HVAC unit from vehicle body.
Installation
Reverse removal procedure noting the following
instructions.
• Replenish specified amount of compressor oil to
compressor suction side referring to “Replenishing
Compressor Oil” in “Operation Procedure for
Refrigerant Charge”.
• Install the padding (1) to the installation hole
uniformly.
• Evacuate and charge the A/C system referring to
“Evacuation” and “Charge” in “Operation Procedure
for Refrigerant Charge”.
• Adjust control cables referring to “HVAC Control Unit
Removal and Installation in Section 7A”.
• Enable air bag system referring to “Enabling Air Bag
System in Section 8B”.
Evaporator Inspection
S7RS0B7216007
Check the followings.
• Clog of A/C evaporator fins.
If any clogs are found, A/C evaporator fins should be
washed with water, and then should be dried with
compressed air.
• A/C evaporator fins for leakage and breakage.
If any defects are found, repair or replace A/C
evaporator.
• A/C evaporator fittings for leakage.
If any defects are found, repair or replace A/C
evaporator.
2. Blower upper case 8. Temperature control door assembly 14. Temperature control lever 20. Packing
3. Air intake control actuator 9. Blower motor resistor 15. Airflow control lever 21. Filter cover (if equipped)
4. HVAC Air filter (if equipped) 10. Blower lower case 16. Evaporator 22. Drain hose
5. Heater unit upper case 11. Blower motor 17. O-ring 23. Cable lock clamp
6. Foot duct 12. Heater unit lower case 18. Expansion valve : Do not reuse.
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I4RS0B720009-01
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I4RS0B720010-01
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