heating system DAEWOO MATIZ 2003 Service Manual PDF
[x] Cancel search | Manufacturer: DAEWOO, Model Year: 2003, Model line: MATIZ, Model: DAEWOO MATIZ 2003Pages: 1184, PDF Size: 36 MB
Page 804 of 1184
7B -- 22 MANUAL CONTROL HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM
DAEWOO M-150 BL2
D18B514A
DRemove the condenser mounting nuts (3).
DPush the top of the condenser (4).
DTake off the condenser from the lower bracket by
lifting the condenser (5).
DRemove the condenser (6).
D18B515B
Installation Procedure
Important:Discard the removed O--rings.
1. Install the condenser with the nuts.
Tighten
Tighten the condenser mounting nuts to 4 NSm(36lb-
in).
D18B516B
2. Tighten the fittings and the bolt.
Tighten
DTighten the condenser pipe--to--compressor pipe
fitting to 23 NSm (17 lb-ft) (1).
DTighten the condenser pipe--to--receiver dryer pipe
fitting to 14 NSm (10.5 lb-ft) (2).
3. Evacuate and recharge the system. Refer to “Dis-
charging, Adding Oil, Evacuating, and Charging Pro-
cedures for A/C System” in this section.
4. Install the front bumper fascia. Refer toSection 9O,
Bumpers and Fascias.
5. Connect the negative battery cable.
D108B517
A/C HIGH PRESSURE PIPE LINE
(Left -- Hand Drive Shown, Right -- Hand
Drive Similar)
Removal Procedure
1. Disconnect the negative battery cable.
2. Remove the front bumper fascia. Refer toSection
9O, Bumpers and Fascias.
3. Discharge and recover the refrigerant. Refer to “Dis-
charging, Adding Oil, Evacuating, and Charging Pro-
cedures for A/C System” in this section.
4. Remove the A/C high pressure pipe line between the
compressor and the condenser.
DRemove the bolt securing the high pressure pipe
line to the compressor (1).
Page 805 of 1184
MANUAL CONTROL HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM 7B -- 23
DAEWOO M-150 BL2
D18B518A
DLoosen the fitting securing the high pressure pipe
line to the condenser pipe line (2).
DRemove the clamp nut (3).
D18B519A
5. Remove the A/C high pressure pipe line between the
condenser and the receiver dryer.
DLoosen the fitting securing the receiver dryer to the
condenser (1).
D108B520
DRemove the receiver dryer flange nuts (2).
D18B521A
6. Remove the A/C high pressure pipe line between the
receiver dryer and the evaporator.
DRemove the purge control valve. Refer toSection
1F, Engine Controls.
DRemove the bracket nut (1).
DLoosen the fitting (2).
Page 806 of 1184
7B -- 24 MANUAL CONTROL HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM
DAEWOO M-150 BL2
D18B522A
D18B523B
D18B524A
Installation Procedure
Important:Discard the removed O--rings.
1. Install the high pressure pipe lines with the bolts, the
nuts, and the fittings.
Tighten
DTighten the bolt securing the high pressure pipe
line to the compressor to 23 NSm (17 lb-ft) (1).
DTighten the fitting securing the high pressure pipe
line to the condenser pipe line to 23 NSm (17 lb-ft)
(2).
DTighten the fitting securing the high pressure pipe
line to the receiver dryer to 14 NSm (10.5 lb-ft) (3).
DTighten the bracket nut to 5 NSm (44 lb-in) (4).
DTighten the receiver dryer flange nuts to 14 NSm
(10.5 lb-ft) (5).
DTighten the nut securing the high pressure pipe line
to the evaporator to 14 NSm (10.5 lb-ft) (6).
DTighten the bracket nut to 5 NSm (44 lb-in) (7).
2. Install the purge control valve. Refer toSection 1F,
Engine controls.
3. Evacuate and recharge the system. Refer to “Dis-
charging, Adding Oil, Evaculating, and Charging Pro-
cedures for A/C System” in this section.
4. Install the front bumper fascia. Refer toSection 9O,
Bumpers and Fascias.
5. Connect the negative battery cable.
D18B525B
Page 807 of 1184
MANUAL CONTROL HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM 7B -- 25
DAEWOO M-150 BL2
D108B526
A/C LOW PRESSURE PIPE LINE
(Left -- Hand Drive Shown, Right -- Hand
Drive Similar)
Removal Procedure
1. Disconnect the negative battery cable.
2. Discharge and recover the refrigerant. Refer to “Dis-
charging, Adding Oil, Evacuating, and Charging Pro-
cedures for A/C System” in this section.
3. Remove the A/C low pressure pipe line.
DRemove the bolt securing the A/C low pressure
pipe line at the compressor (1).
D18B527A
DRemove the bracket nut from shut bar (2).
D18B528A
DRemove the purge control valve. Refer toSection
1F, Engine Controls.
DLoosen the nut securing the A/C low pressure pipe
line at the evaporator (3).
D18B529B
Installation Procedure
Important:Discard the removed O--rings.
1. Install the A/C low pressure pipe line.
Tighten
DTighten the nut securing the A/C low pressure pipe
line at the evaporator to 14 NSm (10.5 lb-ft) (1).
Page 808 of 1184
7B -- 26 MANUAL CONTROL HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM
DAEWOO M-150 BL2
D18B530B
D18B531A
DTighten the bracket nut to 5 NSm (44 lb-in) (2).
DTighten the bolt securing the A/C low pressure pipe
line at the compressor to 23 NSm (17 lb-ft) (3).
2. Evacuate and recharge the system. Refer to “Dis-
charging, Adding Oil, Evacuating, and Charging Pro-
cedure for A/C System” in this section.
3. Connect the negative battery cable.
D108B532
D108B533
EVAPORATOR UNIT AND DRAIN
HOSE
(Left -- Hand Drive Shown, Right -- Hand
Drive Similar)
Removal Procedure
1. Disconnect the negative battery cable.
2. Discharge and recover the refrigerant. Refer to “Dis-
charging, Adding Oil, Evacuating, and Charging Pro-
cedures for A/C System” in this section.
3. Loosen the high pressure pipe line (receiver dry-
er→evaporator) nut and the low pressure pipe line
(evaporator→compressor) nut.
4. Remove the glove box. Refer toSection 9E, Instru-
mentation/Driver information.
5. Remove the evaporator unit.
DRemove the drain hose (1).
DDisconnect the thermistor connector (2).
DRemove the screws (3).
DRemove the evaporator backward slowly (4).
Page 809 of 1184
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.
Page 810 of 1184
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.
Page 811 of 1184
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.
Page 812 of 1184
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
Page 813 of 1184
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