Daewoo NUBIRA User Manual

SECTION : 7B
MANUAL CONTROL HEATING, VENTILATION,
AND AIR CONDITIONING SYSTEM
CAUTION : Disconnect the negative battery cable before removing or installing any electrical unit or when a tool
or equipment could easily come in contact with exposed electrical terminals. Disconnecting this cable will help
prevent personal injury and damage to the vehicle. The ignition must also be in LOCK unless otherwise noted.
TABLE OF CONTENTS
SPECIFICATIONS 7B–2. . . . . . . . . . . . . . . . . . . . . . . . . .
A/C SYSTEM CHARGING CAPACITY 7B–2. . . . . . .
FASTENER TIGHTENING
SPECIFICATIONS 7B–2. . . . . . . . . . . . . . . . . . . . . . .
SPECIAL TOOLS 7B–3. . . . . . . . . . . . . . . . . . . . . . . . . . .
SPECIAL TOOLS TABLE 7B–3. . . . . . . . . . . . . . . . . . .
SCHEMATIC AND ROUTING DIAGRAMS 7B–6. . . . .
A/C SYSTEM – TYPICAL 7B–6. . . . . . . . . . . . . . . . . . .
AIRFLOW – TYPICAL 7B–7. . . . . . . . . . . . . . . . . . . . . .
A/C SCHEMATIC 7B–8. . . . . . . . . . . . . . . . . . . . . . . . . .
DIAGNOSIS 7B–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GENERAL DIAGNOSIS 7B–9. . . . . . . . . . . . . . . . . . . . . .
TESTING THE REFRIGERANT SYSTEM 7B–9. . . .
INSUFFICIENT COOLING ”QUICK CHECK”
PROCEDURE 7B–9. . . . . . . . . . . . . . . . . . . . . . . . . . .
A/C PERFORMANCE TEST 7B–10. . . . . . . . . . . . . . .
PRESSURE–TEMPERATURE
RELATIONSHIP OF R–134A 7B–11. . . . . . . . . . . . .
LEAK TESTING THEREFRIGERANT
SYSTEM 7B–12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
V5 SYSTEM AIR CONDITIONING
DIAGNOSIS 7B–13. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INSUFFICIENT COOLING DIAGNOSIS 7B–13. . . . .
SYMPTOM DIAGNOSIS 7B–17. . . . . . . . . . . . . . . . . . . .
PRESSURE TEST CHART
(R–134a SYSTEM) 7B–17. . . . . . . . . . . . . . . . . . . . . .
LOW AND HIGH SIDE PRESSURE
RELATIONSHIP CHART 7B–19. . . . . . . . . . . . . . . . .
MAINTENANCE AND REPAIR 7B–20. . . . . . . . . . . . . .
ON–VEHICLE SERVICE 7B–20. . . . . . . . . . . . . . . . . . . .
GENERAL A/C SYSTEM SERVICE
PROCEDURES 7B–20. . . . . . . . . . . . . . . . . . . . . . . . . .
O–RING REPLACEMENT 7B–20. . . . . . . . . . . . . . . . .
HANDLING REFRIGERANT 7B–20. . . . . . . . . . . . . . .
HANDLING OF REFRIGERANT LINES
AND FITTINGS 7B–20. . . . . . . . . . . . . . . . . . . . . . . . .
MAINTAINING CHEMICAL STABILITY
IN THE REFRIGERATION SYSTEM 7B–20. . . . . .
DISCHARGING, ADDING OIL, EVACUATING,
AND CHARGING PROCEDURES
FOR A/C SYSTEM 7B–21. . . . . . . . . . . . . . . . . . . . . .
SERVICEABLE COMPONENTS 7B–23. . . . . . . . . . . . .
TEMPERATURE CONTROL CABLE 7B–23. . . . . . . .
CONTROL ASSEMBLY 7B–23. . . . . . . . . . . . . . . . . . .
CONTROL ASSEMBLY KNOB LIGHTING 7B–23. . .
BLOWER MOTOR 7B–23. . . . . . . . . . . . . . . . . . . . . . . .
HIGH–BLOWER RELAY 7B–23. . . . . . . . . . . . . . . . . . .
BLOWER RESISTOR 7B–23. . . . . . . . . . . . . . . . . . . . .
CONTROL ASSEMBLY SWITCHES 7B–23. . . . . . . .
A/C PRESSURE TRANSDUCER 7B–24. . . . . . . . . . .
A/C COMPRESSOR RELAY 7B–25. . . . . . . . . . . . . . .
AIR FILTER 7B–26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A/C CONTROL VACUUM TANK 7B–27. . . . . . . . . . . .
A/C EXPANSION VALVE 7B–28. . . . . . . . . . . . . . . . . .
HEATER/AIR DISTRIBUTOR
CASE ASSEMBLY 7B–29. . . . . . . . . . . . . . . . . . . . . .
A/C HIGH–PRESSURE PIPE LINE 7B–30. . . . . . . . .
HEATER HOSES 7B–32. . . . . . . . . . . . . . . . . . . . . . . . .
HEATER CORE 7B–32. . . . . . . . . . . . . . . . . . . . . . . . . .
EVAPORATOR CORE 7B–32. . . . . . . . . . . . . . . . . . . .
A/C SUCTION HOSE ASSEMBLY 7B–34. . . . . . . . . .
RECEIVER–DRYER 7B–35. . . . . . . . . . . . . . . . . . . . . .
COMPRESSOR 7B–36. . . . . . . . . . . . . . . . . . . . . . . . . .
CONDENSER 7B–38. . . . . . . . . . . . . . . . . . . . . . . . . . . .
UNIT REPAIR 7B–40. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COMPONENT LOCATOR 7B–40. . . . . . . . . . . . . . . . . . .
V5 COMPRESSOR 7B–40. . . . . . . . . . . . . . . . . . . . . . .
V5 AIR CONDITIONING
COMPRESSOR OVERHAUL 7B–42. . . . . . . . . . . . . .

Daewoo NUBIRA Specifications

General

Brand	Daewoo
Model	NUBIRA
Category	Automobile
Language	English