2004 DAEWOO NUBIRA lock

7B – 24IMANUAL CONTROL HEATING, VENTILATION AND AIR CONDITIONING SYSTEM
DAEWOO V–121 BL4
A/C PRESSURE TRANSDUCER
Removal Procedure
1. Disconnect the negative battery cable.
2. Release the connector lock and pull the transducer
wire connector out.
3. Remove the transducer with a wrench.
4. Discard the O–ring seal.
Installation Procedure
1. Install the new O–ring seal on the transducer.
2. Install the pressure transducer.
Tighten
Tighten the pressure transducer to 7 NSm (62 lb–in).
3. Connect the wire connector.
4. Connect the negative battery cable.
A/C COMPRESSOR RELAY
Removal Procedure
1. Disconnect the negative battery cable.
2. Pull the relay straight up and out from its location in
the engine fuse block at the left front corner.
Installation Procedure
1. Align the relay terminal contacts with the base re-
ceptacle.
2. Push the relay into the base until it is seated.
3. Connect the negative battery cable.

MANUAL CONTROL HEATING, VENTILATION AND AIR CONDITIONING SYSTEM 7B – 25
DAEWOO V–121 BL4
AIR FILTER
(Left–Hand Drive Shown, Right–Hand Drive
Similar)
Removal Procedure
1. Remove the glove box. Refer to Section 9E, Instru-
mentation/Driver Information.
2. Remove the screws and the air filter.
3. Remove the air filter.
Installation Procedure
1. Install the air filter.
2. Install the air filter cover and the screws.
3. Install the glove box. Refer to Section 9E, Instru-
mentation/Driver Information.
A/C EXPANSION VALVE
(Left–Hand Drive Shown, Right–Hand Drive
Similar)
Removal Procedure
1. Disconnect the negative battery cable.
2. Recover the refrigerant. Refer to ”Discharging, Add-
ing Oil, Evacuating, and Charging Procedures for
A/C System” in this section.
3. Remove the suction hose/liquid pipe block retaining
nuts at the fire wall.
4. Remove the expansion valve connector block re-
taining stud bolts.
5. Remove the expansion valve.
6. Discard the O–rings.

7B – 26IMANUAL CONTROL HEATING, VENTILATION AND AIR CONDITIONING SYSTEM
DAEWOO V–121 BL4
Installation Procedure
1. Clean the grooves that fit the O–rings of any dirt or
contamination.
2. Install new O–rings on the evaporator tubes.
3. Install a expansion valve onto the evaporator tubes.
4. Insert the expansion valve connector block retain-
ing stud bolts.
Tighten
Tighten the expansion valve retaining stud bolts to 8
NSm (71 lb–in).
5. Install the suction hose/liquid pipe block retaining
nuts.
Tighten
Tighten the suction hose/liquid pipe block–to–expan-
sion valve retaining nuts to 14 NSm (10 lb–ft).
6. Connect the negative battery cable.
7. Evacuate and recharge the A/C system. Refer
to”Discharging, Adding Oil, Evacuating, and Charg-
ing Procedures for A/C System” in this section.
A/C HIGH–PRESSURE PIPE LINE
(Left–Hand Drive Shown, Right–Hand Drive
Similar)
Removal Procedure
1. Disconnect the negative battery cable.
2. Recover the refrigerant. Refer to ”Discharging, Add-
ing Oil, Evacuating, and Charging Procedures for
A/C System” in this section.
3. Remove the nut at the discharge hose block con-
nected to compressor.
4. Remove the handlamp housing at the left–hand
side. Refer to Section 9B, Lighting Systems.
5. Remove the nut at the condenser connecting block.
6. Remove the refrigerant discharge hose.

MANUAL CONTROL HEATING, VENTILATION AND AIR CONDITIONING SYSTEM 7B – 27
DAEWOO V–121 BL4
7. Remove the air cleaner housing bolts and the air
filter housing assembly.
8. Disconnect the electrical connector at the pressure
transducer.
9. Remove the liquid pipe block–to–expansion valve
retaining nut at the fire wall.
10. Remove the handlamp housing at the left–hand
side. Refer to Section 9B, Lighting Systems.
11. Remove the liquid pipe block–to–receiver dryer re-
taining nut.
12. Remove the bolts which secure the support clamps
that hold the liquid pipe to the vehicle.
13. Remove the liquid pipe from the vehicle.
14. Cap the opening at the receiver–dryer to prevent
contamination.
Installation Procedure
1. Position the liquid pipe into the vehicle.
2. Install the liquid pipe support clamp bolts.
Tighten
Tighten the liquid pipe support clamp bolts to 4 NSm
(35 lb–in).

7B – 28IMANUAL CONTROL HEATING, VENTILATION AND AIR CONDITIONING SYSTEM
DAEWOO V–121 BL4
3. Install a new O–ring on the pipe at the receiver dry-
er.
4. Install the liquid pipe block–to–receiver–dryer re-
taining nut.
Tighten
Tighten the liquid pipe block–to–receiver–dryer re-
taining nut to 14 NSm (10 lb–ft).
5. Install the handlamp housing at the right–hand side.
Refer to Section 9B, Lighting Systems.
6. Install the liquid evaporator pipe block retaining nut
to the fire wall.
Tighten
Tighten the liquid pipe block–to–expansion valve re-
taining nut to 14 NSm (10 lb–ft).
7. Connect the electrical connector at the pressure
transducer.
8. Install the air cleaner housing bolts and the air filter
housing assembly.
9. Position the refrigerant discharge hose into the ve-
hicle.
10. Install the nut at the condenser connecting block.
Tighten
Tighten the refrigerant discharge hose block–to–con-
denser retaining nut to 16 NSm (12 lb–ft).
11. Install the handlamp housing at the left–hand side.
Refer to Section 9B, Lighting Systems.
12. Install the nut at the discharge hose block con-
nected to compressor.
Tighten
Tighten the refrigerant discharge hose block–to–
compressor retaining nut to 33 NSm (24 lb–ft).
13. Connect the negative battery cable.
14. Evacuate and recharge the A/C system. Refer to
”Discharging, Adding Oil, Evacuating, and Charging
Procedures for A/C System” in this section.

7B – 30IMANUAL CONTROL HEATING, VENTILATION AND AIR CONDITIONING SYSTEM
DAEWOO V–121 BL4
3. Install the screws that connect the heater core
housing and the evaporator housing.
Tighten
Tighten the screws to 1.2 NSm (11 lb–in).
4. Connect the wiring harness and electrical connec-
tors to the heater/air distributor case assembly.
5. Install the heater/air distributor case assembly. Re-
fer to Section 7A, Heating and Ventilation System.
6. Evacuate and recharge the A/C system. Refer to
”Discharging, Adding Oil, Evacuating, and Charging
Procedures for A/C System” in this section.
7. Connect the negative battery cable.
A/C SUCTION HOSE ASSEMBLY
Removal Procedure
1. Disconnect the negative battery cable.
2. Discharge and recover the refrigerant. Refer to
”Discharging, Adding Oil, Evacuating, and Charging
Procedures for A/C System” in this section.
3. Remove the air cleaner housing bolts and the air
filter housing aseembly.
4. Disconnect the elsctrical connector at the pressure
transducer.
5. Remove the suction hose block retaining nut at the
fire wall.
6. Cap the openings to the expansion valve to prevent
contamination.
7. Remove the suction hose support clamp bolts.
8. Remove the retaining nut from the hose connecting
block and disconnect the air conditioning hose as-
sembly connector block from the compressor.
9. Remove the A/C suction hose assembly.
10. Cap the openings to the compressor to prevent
contamination.

MANUAL CONTROL HEATING, VENTILATION AND AIR CONDITIONING SYSTEM 7B – 31
DAEWOO V–121 BL4
Installation Procedure
1. Position the A/C suction hose into the vehicle.
2. Insert the suction hose block–to–compressor to the
compressor.
Tighten
Tighten the retaining nut at the suction hose block to
33 NSm (24 lb–ft).
3. Install the suction hose support clamp–to–longitudi-
nal member.
Tighten
Tighten the suction hose support clamp–to–longitudi-
nal member bolt to 8 NSm (71 lb–in).
4. Install the suction hose support clamp–to–engine
bracket.
Tighten
(1.4 DOHC, 1.6DOHC only)
Tighten the suction hose support clamp–to–engine
bracket bolt to 4 NSm (35 lb–in).
Tighten
(1.8 DOHC, 2.0 DOHC only)
Tighten the suction hose support clamp–to–engine
bracket bolt to 14 NSm (10 lb–ft).
5. Install the suction hose block–to–expansion valve
retaining nut at the fire wall.
Tighten
Tighten the suction hose block–to–expansion valve
retaining nut to 14 NSm (10 lb–ft).
6. Connect the electrical connector at the pressure
transducer.
7. Install the air cleaner housing bolts and the air filter
housing assembly.
8. Connect the negative battery cable.
9. Evacuate and recharge the A/C system. Refer to
”Discharging, Adding Oil, Evacuating, and Charging
Procedures for A/C System” in this section.

7B – 32IMANUAL CONTROL HEATING, VENTILATION AND AIR CONDITIONING SYSTEM
DAEWOO V–121 BL4
A/C DISCHARGE
HOSE–COMPRESSOR TO
CONDENSER
Removal Procedure
1. Disconnect the negative battery cable.
2. Recover the refrigerant. Refer to ”Discharging, Add-
ing Oil, Evacuating, and Charging Procedures for
A/C System” in this section.
3. Remove the nut at the discharge hose block con-
nected to compressor.
4. Remove the headlamp housing at the left–hand
side. Refer to Section 9B, Lighting Systems.
5. Remove the nut at the condenser connecting block.
6. Remove the refrigerant discharge hose.
Installation Procedure
1. Install new sealing washers at the compressor con-
necting block end and a new O–ring at the con-
denser connecting block end.
2. Position the hose into the vehicle, and install the
nut at the condenser connecting block.
Tighten
Tighten the refrigerant discharge hose block–to–con-
denser retaining nut to 16 NSm (12 lb–ft).
3. Make the hose connecting the connecting block to
the compressor, and install the retaining nut.
Tighten
Tighten the refrigerant discharge hose block–to–
compressor retaining nut to 33 NSm (24 lb–ft).
4. Connect the negative battery cable.
5. Evacuate and recharge the A/C system. Refer to
”Discharging, Adding Oil, Evacuating, and Charging
Procedures for A/C System” in this section.