DAEWOO NUBIRA 2004 Service Repair Manual

DAEWOO NUBIRA 2004 Service Repair Manual NUBIRA 2004 DAEWOO DAEWOO https://www.carmanualsonline.info/img/54/56879/w960_56879-0.png DAEWOO NUBIRA 2004 Service Repair Manual
Trending: headlight alignment, MAIN THROTTLE IDLE, hood open, fuel filter location, spare wheel, oil pressure, keyless

Page 2011 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual MANUAL CONTROL HEATING, VENTILATION AND AIR CONDITIONING SYSTEM  7B – 9
DAEWOO V–121 BL4
A/C PERFORMANCE TEST
RELATIVE
HUMIDITY
( % )AMBIENT AIR
TEMPERATURELOW SIDE
PRESSUREENGINE
SPEED
(RPM)CENTE

Page 2012 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual 7B – 10IMANUAL CONTROL HEATING, VENTILATION AND AIR CONDITIONING SYSTEM
DAEWOO V–121 BL4
PRESSURE–TEMPERATURE RELATIONSHIP OF R–134A
Temperature
°C (°F)*Pressure
kPa (psi)*Temperature
°C (

Page 2013 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual MANUAL CONTROL HEATING, VENTILATION AND AIR CONDITIONING SYSTEM  7B – 11
DAEWOO V–121 BL4
LEAK TESTING REFRIGERANT
SYSTEM
Test for leaks whenever you suspect a refrigerant leak in
the system. You

Page 2014 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual 7B – 12IMANUAL CONTROL HEATING, VENTILATION AND AIR CONDITIONING SYSTEM
DAEWOO V–121 BL4
V5 SYSTEM AIR CONDITIONING DIAGNOSIS
INSUFFICIENT COOLING DIAGNOSIS
Test Description
The numbers below refe

Page 2015 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual MANUAL CONTROL HEATING, VENTILATION AND AIR CONDITIONING SYSTEM  7B – 13
DAEWOO V–121 BL4
StepNo Yes Value(s) Action
81.  Check for a knocking noise from the A/C com-
pressor.
2.  Cycle the A/C co

Page 2016 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual 7B – 14IMANUAL CONTROL HEATING, VENTILATION AND AIR CONDITIONING SYSTEM
DAEWOO V–121 BL4
StepNo Yes Value(s) Action
151.  Record the low– and the high–side pressures
after the A/C system has b

Page 2017 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual MANUAL CONTROL HEATING, VENTILATION AND AIR CONDITIONING SYSTEM  7B – 15
DAEWOO V–121 BL4
StepNo Yes Value(s) Action
241.  Start the engine.
2.  Observe the low–side pressure gauge while
running

Page 2018 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual 7B – 16IMANUAL CONTROL HEATING, VENTILATION AND AIR CONDITIONING SYSTEM
DAEWOO V–121 BL4
SYMPTOM DIAGNOSIS
PRESSURE TEST CHART (R–134A SYSTEM)
Test ResultsRelated SymptiomsProbable CauseRemedy
D

Page 2019 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual MANUAL CONTROL HEATING, VENTILATION AND AIR CONDITIONING SYSTEM  7B – 17
DAEWOO V–121 BL4
Test ResultsRemedy Probable Cause Related Symptioms
Suction pressure ab-
normally highSuction pressure is

Page 2020 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual 7B – 18IMANUAL CONTROL HEATING, VENTILATION AND AIR CONDITIONING SYSTEM
DAEWOO V–121 BL4
LOW AND HIGH SIDE PRESSURE RELATIONSHIP CHART
Trending: wheel, timing belt, four wheel drive, wheel torque, warning lights, fuel, lug pattern