2003 DAEWOO MATIZ Service Repair Manual

MANUAL CONTROL HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM 7B -- 27
DAEWOO M-150 BL2
D18B534A
Installation Procedure
1. Install the evaporator evaporator with the screws.
2. Connect the thermistor connector.
3. Install the drain hose.
4. Install the glove box. Refer toSection 9E, Instrumen-
tation / Driver Information.
5. Tighten the high pressure pipe line (receiver dry-
er→evaporator) nut and the low pressure pipe line
(evaporator→compressor) nut to 14 NSm (10.5 lb-ft).
6. Evacuate and recharge the system. Refer to “Dis-
charging, Adding Oil, Evacuating, and Charging Pro-
cedures for A/C System” in this section.
7. Connect the negative battery cable.

7B -- 28 MANUAL CONTROL HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM
DAEWOO M-150 BL2
UNIT REPAIR
D18B701A
EVAPORATOR CORE AND
EXPANSION VALVE
Disassembly Procedure
1. Remove the evaporator unit. Refer to “Evaporator
Unit and Drain Hose” in this section.
2. Remove the evaporator core and expansion valve.
DRemove the screw (1).
DRemove the clamp (2).
DRemove the screws securing the evaporator case
cover (3).
DRemove the upper evaporator case cover (4).
DRemove the lower evaporator case cover (5).
DRemove the thermistor (6).
DLoosen the fitting and remove the high pressure
pipe line (7).
DRemove the tape (8).
DRemove the evaporator plate seal (9).
DLoosen the fitting and remove the expansion valve
(10).
D18B702A
Assembly Procedure
1. Install the exponsion valve with the fitting.
Tighten
Tighten the high pressure pipe line coupling to 17 NSm
(13 lb-ft) (1).
2. Install the evaporator plate seal.
3. Install the tape.
4. Install the high pressure pipe line with the fitting.
Tighten
Tighten the expansion valve coupling to 22 NSm(16
lb-ft) (2).
5. Install the thermistor.
6. Install the screws securing the evaporator case cov-
er.
7. Install the clamp and the screw.
8. Install the evaporator unit. Refer to “Evaporator Unit
and Drain Hose” in this section.

MANUAL CONTROL HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM 7B -- 29
DAEWOO M-150 BL2
D10B703A
COMPRESSOR OVERHAUL
Tools Required
DW--610--010 Clutch Hub Holding Tool
Disassembly Procedure
1.Remove the compressor. Refer to “Compressor” in
this section.
2. Remove the clutch drive plate.
DUse the clutch hub holding tool DW--610--010 to
keep the clutch drive plate (1).
DRemove the shaft bolt (2).
D18B704A
3. Remove the compressor pulley.
DRemove the snap ring using a ring pryer (1).
DRemove the pulley (2).
D18B705A
4. Disconnect the wiring harness holder and remove the
electromagnetic clutch.
a. Electromagnetic clutch
D18B706B
Assembly Procedure
1. Connect the wiring harness holder and install the
clutch coil.
2. Install the snap ring and compressor pulley.
3. Use the clutch hub holding tool DW--610--010, install
the clutch drive plate with the shaft bolt.
Tighten
Tighten the shaft bolt to 13 NSm(115lb-in).
4. Install the compressor. Refer to “Compressor” in this
section.

7B -- 30 MANUAL CONTROL HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM
DAEWOO M-150 BL2
SPECIFICATIONS
GENERAL SPECIFICATIONS


























































































































































































































































































































































































































































Application


































































































Unit






















































































































































































































































































Description






































































































































































































































































































Compressor

































































--

























































































































































































SP--10.4PK

























































































































































































































































































































































































































































Receiver--Dryer

































































































--





















































































































































































































































































AL R/DRIER






























































































































































































Refrigerant











































































































Type

































































--

























































































































































































R--134a System





























































































































































































































































































Refrigerant
































































































































































Capacity

































































































g





















































































































































































































































































500 (RHD : 530)






























































































































































































RefrigerantOilinA/CSystem











































































































Type

































































--

























































































































































































RL 244 PAG OIL





























































































































































































RefrigerantOilinA/CSystem










































































































Capacity

































































cc

























































































































































































150


























































































































































































































































































































































































































































A/C Cooling Capacity (Airflow rate 8.7 kg/min)


































































































Kcal/h






















































































































































































































































































5,500





























































































































































































































































































Refrigerant Pressure in A/C Sys-
tem(Engine Idle, Fresh Air 30_C
(86_F)AmbientTemperature

































































































































































Low Pressure Side


































































































kPa (psi)






















































































































































































































































































200 (2.9)





























































































































































































































































































































































































(86_F),AmbientTemperature
25_C--35_C(77_F--95_F), Tempera-
ture to Full Cold)






















































































































































































































High Pressure Side


































































































































kPa (psi)


















































































































































































































































































































































































1,500 (217.5)





























































































































































































































































































































































































































































































A/C Compressor ON/OFF Condition
(Refer toSection 1F, Engine Controls
AbouttheA/CCompressorON/OFF












































































































































































































































































Evaporator Therm-
istor Temperature



































































































































































_C(_F)
















































































































































































































































































































































































































































































2.45(36.81)
1.0 (34.2)
ON
OFF































































































































































































































































































































































































































































































































































































About theA/CCompressorON/OFF
Condition According to Engine Oper-
ating Status)



































































































































































































































































































































Dual Cut Switch
Pressure




































































































































































































kPa













































































































































































































































































































































































































































































































































































205--245
180--220
ON
OFF300--400
240--280
FASTENER TIGHTENING SPECIFICATIONS


















































































































































































































































































































































Application





































































NSm





































































Lb-Ft





































































Lb-In




























































































































































































































































































































































































































































































































Compressor Upper Bracket Bolts








































































































20








































































































15








































































































--


















































































































































































































































































































































Compressor Front Head-to-Rear Head Through-Bolt





































































22





































































16





































































--



























































































































































































































































































































































































































































































































High Pressure Pipe Line (Compressor→Condenser) Bolt







































































































23







































































































17







































































































--


















































































































































































































































































































































High Pressure Pipe Line (Compressor→Condenser) Fitting





































































23





































































17





































































--



























































































































































































































































































































































































































































































































High Pressure Pipe Line (Compressor→Condenser) Clamp Nut







































































































5







































































































--







































































































44


















































































































































































































































































































































Receiver--Dryer Flange Nut





































































14





































































10.5





































































--


















































































































































































































































































































































High Pressure Pipe Line (Condenser→Receiver--Dryer) Fitting Nut





































































14





































































10.5





































































--




























































































































































































































































































































































































































































































































High Pressure Pipe Line (Receiver--Dryer→Evaporator) Fitting Nut








































































































14








































































































10.5








































































































--


















































































































































































































































































































































High Pressure Pipe Line(Receiver--Dryer→Evaporator) Clamp Nut





































































5





































































--





































































44



























































































































































































































































































































































































































































































































Low Pressure Pipe Line (Evaporator→Compressor) Fitting Nut







































































































14







































































































10.5







































































































--


















































































































































































































































































































































Low Pressure Pipe Line (Evaporator→Compressor) Clamp Nut





































































5





































































--





































































44



























































































































































































































































































































































































































































































































Low Pressure Pipe Line(Evaporator→Compressor) Compressor Bolt







































































































23







































































































17







































































































--


















































































































































































































































































































































Dual Cut Switch





































































13





































































--





































































11 5


















































































































































































































































































































































Receive--Dryer Bracket--to--Body Bolts





































































5





































































--





































































44




























































































































































































































































































































































































































































































































Receive--Dryer Bracket Bolt








































































































5








































































































--








































































































44


















































































































































































































































































































































Expansion Valve Coupling (Receiver--Dryer→Expansion Valve)





































































17





































































13





































































--



























































































































































































































































































































































































































































































































Expansion Valve Coupling (Expansion Valve→Evaporator)







































































































22







































































































16







































































































--


















































































































































































































































































































































Compressor Shaft Bolt





































































13





































































--





































































11 5



























































































































































































































































































































































































































































































































Condenser Mounting Nuts







































































































4







































































































--







































































































36

MANUAL CONTROL HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM 7B -- 31
DAEWOO M-150 BL2
SPECIAL TOOLS AND EQUIPMENT
SPECIAL TOOLS TABLE
D108B101
DW -- 610 -- 010
Clutch Hub
Holding Tool

7B -- 32 MANUAL CONTROL HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM
DAEWOO M-150 BL2
SCHEMATIC AND ROUTING DIAGRAMS
A/C DIAGRAMS
D18B201B

MANUAL CONTROL HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM 7B -- 33
DAEWOO M-150 BL2
A/C AIRFLOW
(Left -- Hand Drive Shown, Right -- Hand Drive Similar)
D108B202
A/C SYSTEM
(Left -- Hand Drive Shown, Right -- Hand Drive Similar)
D18B203A

DAEWOO M-150 BL2
SECTION 8A
SEAT BELTS
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 B unless otherwise
noted.
TABLE OF CONTENTS
Description and Operation 8A-2. . . . . . . . . . . . . . . . . .
Driver Seat Belt Warning 8A-2. . . . . . . . . . . . . . . . . . .
Three-Point Pretensioner Front Seat Belt
(W/EUROPE Only) 8A-2. . . . . . . . . . . . . . . . . . . . . .
Three-Point WLR Front Seat Belt 8A-2. . . . . . . . . . . .
Three-Point ELR Front Seat Belt 8A-2. . . . . . . . . . . .
Three-Point ELR Rear Outboard Seat Belt 8A-2. . . .
Two-Point Lap Rear Center Seat Belt 8A-2. . . . . . . .
Operational and Functional Checks 8A-2. . . . . . . . . .
Component Locator 8A-3. . . . . . . . . . . . . . . . . . . . . . . .
Front and Rear Seat Belt 8A-3. . . . . . . . . . . . . . . . . . .
Diagnostic Information and Procedures 8A-4. . . . .
Seat Belt Warning Lamp is Inoperative 8A-4. . . . . . . Repair Instructions 8A-5. . . . . . . . . . . . . . . . . . . . . . . . .
On-Vehicle Service 8A-5. . . . . . . . . . . . . . . . . . . . . . . . . .
Three-Point WLR/ELR Front Seat Belt 8A-5. . . . . . .
Three-Point Pretensioner Front Seat Belt
(W/EUROPE Only) 8A-6. . . . . . . . . . . . . . . . . . . . . .
Front Seat Belt Buckle 8A-8. . . . . . . . . . . . . . . . . . . . .
Three–Point ELR Rear Outboard Seat Belt 8A-8. . .
Two-Point Lap Rear Center Seat Belt 8A-10. . . . . . .
Specifications 8A-11. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fastener Tightening Specifications 8A-11. . . . . . . . . .
Schematic and Routing Diagrams 8A-12. . . . . . . . . .
Driver Seat Belt Warning 8A-12. . . . . . . . . . . . . . . . . .