M37b2 Heating, Ventilation and AC 21-33.pdf part of Daewoo Matiz 796cc (My 2003).part01.rar, Service Manual, Wiring Diagram - 16 Part File

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MANUAL CONTROL HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM 7B -- 21 Installation Procedure
1. Install the compressor with the mounting bolts.

Tighten
D Tighten the compressor--to--bracket upper bolt to 20 NSm (15 lb-ft) (1). D Tighten the compressor--to--bracket lower bolts to 22 NSm (16 lb-ft) (2). 2. Connect the electrical connector.

D18B511B

3. Install the A/C high pressure pipe line to the compressor with the bolt.

Tighten
Tighten the A/C high pressure pipe line bolt to 23 NSm (17 lb-ft) (3). 4. Install the A/C low pressure pipe line to the compressor with the bolt.

Tighten
Tighten the A/C low pressure pipe line bolt to 23 NSm (17 lb-ft) (4). 5. Evacuate and charge the system. Refer to "Discharging, Adding Oil, Evacuating, and Charging Procedure for A/C System" in this section. 6. Install the A/C belt. Refer to Section 6B, Power Steering Pump. 7. Install the receiver dryer. Refer to "Receiver Dryer and Dual Cut Switch" in this section.

D18B512A

CONDENSER
1. Disconnect the negative battery cable. 2. Remove the front bumper fascia. Refer to Section 9O, Bumpers and Fascias. 3. Discharge and recover the refrigerant. Refer to "Discharging, Adding Oil, Evacuating, and Charging Procedures for A/C system" in this section. 4. Remove the condenser. D Loosen the condenser pipe--to--compressor pipe fitting (1). D Loosen the condenser pipe--to--receiver dryer pipe fitting (2).
D18B513A

DAEWOO M-150 BL2

7B -- 22 MANUAL CONTROL HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM
D Remove the condenser mounting nuts (3). D Push the top of the condenser (4). D Take off the condenser from the lower bracket by lifting the condenser (5). D Remove the condenser (6).

D18B514A

Installation Procedure
Important: Discard the removed O--rings. 1. Install the condenser with the nuts.

Tighten
Tighten the condenser mounting nuts to 4 NSm (36 lbin).

D18B515B

2. Tighten the fittings and the bolt.

Tighten
D Tighten the condenser pipe--to--compressor pipe fitting to 23 NSm (17 lb-ft) (1). D Tighten the condenser pipe--to--receiver dryer pipe fitting to 14 NSm (10.5 lb-ft) (2). 3. Evacuate and recharge the system. Refer to "Discharging, Adding Oil, Evacuating, and Charging Procedures for A/C System" in this section. 4. Install the front bumper fascia. Refer to Section 9O, Bumpers and Fascias. 5. Connect the negative battery cable.
D18B516B

A/C HIGH PRESSURE PIPE LINE

(Left-Hand Drive Shown, Right-Hand Drive Similar) Removal Procedure

D108B517

1. Disconnect the negative battery cable. 2. Remove the front bumper fascia. Refer to Section 9O, Bumpers and Fascias. 3. Discharge and recover the refrigerant. Refer to "Discharging, Adding Oil, Evacuating, and Charging Procedures for A/C System" in this section. 4. Remove the A/C high pressure pipe line between the compressor and the condenser. D Remove the bolt securing the high pressure pipe line to the compressor (1).
DAEWOO M-150 BL2

MANUAL CONTROL HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM 7B -- 23
D Loosen the fitting securing the high pressure pipe line to the condenser pipe line (2). D Remove the clamp nut (3).

D18B518A

5. Remove the A/C high pressure pipe line between the condenser and the receiver dryer. D Loosen the fitting securing the receiver dryer to the condenser (1).

D18B519A

D Remove the receiver dryer flange nuts (2).

D108B520

6. Remove the A/C high pressure pipe line between the receiver dryer and the evaporator. D Remove the purge control valve. Refer to Section 1F, Engine Controls. D Remove the bracket nut (1). D Loosen the fitting (2).

D18B521A

DAEWOO M-150 BL2

7B -- 24 MANUAL CONTROL HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM Installation Procedure
Important: Discard the removed O--rings. 1. Install the high pressure pipe lines with the bolts, the nuts, and the fittings.

Tighten
D Tighten the bolt securing the high pressure pipe line to the compressor to 23 NSm (17 lb-ft) (1). D Tighten the fitting securing the high pressure pipe line to the condenser pipe line to 23 NSm (17 lb-ft) (2). D Tighten the fitting securing the high pressure pipe line to the receiver dryer to 14 NSm (10.5 lb-ft) (3). D Tighten the bracket nut to 5 NSm (44 lb-in) (4). D Tighten the receiver dryer flange nuts to 14 NSm (10.5 lb-ft) (5). D Tighten the nut securing the high pressure pipe line to the evaporator to 14 NSm (10.5 lb-ft) (6). D Tighten the bracket nut to 5 NSm (44 lb-in) (7). 2. Install the purge control valve. Refer to Section 1F, Engine controls. 3. Evacuate and recharge the system. Refer to "Discharging, Adding Oil, Evaculating, and Charging Procedures for A/C System" in this section. 4. Install the front bumper fascia. Refer to Section 9O, Bumpers and Fascias. 5. Connect the negative battery cable.

D18B522A

D18B523B

D18B524A

D18B525B

DAEWOO M-150 BL2

MANUAL CONTROL HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM 7B -- 25

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 "Discharging, Adding Oil, Evacuating, and Charging Procedures for A/C System" in this section. 3. Remove the A/C low pressure pipe line. D Remove the bolt securing the A/C low pressure pipe line at the compressor (1). D Remove the bracket nut from shut bar (2).

D108B526

D18B527A

D Remove the purge control valve. Refer to Section 1F, Engine Controls. D Loosen the nut securing the A/C low pressure pipe line at the evaporator (3).

D18B528A

Installation Procedure
Important: Discard the removed O--rings. 1. Install the A/C low pressure pipe line.

Tighten
D Tighten the nut securing the A/C low pressure pipe line at the evaporator to 14 NSm (10.5 lb-ft) (1).

D18B529B

DAEWOO M-150 BL2

7B -- 26 MANUAL CONTROL HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM
D Tighten the bracket nut to 5 NSm (44 lb-in) (2).

D18B530B

D Tighten 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 "Discharging, Adding Oil, Evacuating, and Charging Procedure for A/C System" in this section. 3. Connect the negative battery cable.

D18B531A

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 "Discharging, Adding Oil, Evacuating, and Charging Procedures for A/C System" in this section. 3. Loosen the high pressure pipe line (receiver dryer evaporator) nut and the low pressure pipe line (evaporator compressor) nut. 4. Remove the glove box. Refer to Section 9E, Instrumentation/Driver information. 5. Remove the evaporator unit. D Remove the drain hose (1). D Disconnect the thermistor connector (2). D Remove the screws (3). D Remove the evaporator backward slowly (4).

D108B532

D108B533

DAEWOO M-150 BL2

MANUAL CONTROL HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM 7B -- 27 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 to Section 9E, Instrumentation / Driver Information. 5. Tighten the high pressure pipe line (receiver dryer 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 "Discharging, Adding Oil, Evacuating, and Charging Procedures for A/C System" in this section. 7. Connect the negative battery cable.

D18B534A

DAEWOO M-150 BL2

7B -- 28 MANUAL CONTROL HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM

UNIT REPAIR
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. D Remove the screw (1). D Remove the clamp (2). D Remove the screws securing the evaporator case cover (3). D Remove the upper evaporator case cover (4). D Remove the lower evaporator case cover (5). D Remove the thermistor (6). D Loosen the fitting and remove the high pressure pipe line (7). D Remove the tape (8). D Remove the evaporator plate seal (9). D Loosen the fitting and remove the expansion valve (10).

D18B701A

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
D18B702A

5. 6. 7. 8.

Tighten the expansion valve coupling to 22 NSm (16 lb-ft) (2). Install the thermistor. Install the screws securing the evaporator case cover. Install the clamp and the screw. Install the evaporator unit. Refer to "Evaporator Unit and Drain Hose" in this section.

DAEWOO M-150 BL2

MANUAL CONTROL HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM 7B -- 29

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. D Use the clutch hub holding tool DW--610--010 to keep the clutch drive plate (1). D Remove the shaft bolt (2).
D10B703A

3. Remove the compressor pulley. D Remove the snap ring using a ring pryer (1). D Remove the pulley (2).

D18B704A

4. Disconnect the wiring harness holder and remove the electromagnetic clutch. a. Electromagnetic clutch

D18B705A

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 (115 lb-in). 4. Install the compressor. Refer to "Compressor" in this section.
D18B706B

DAEWOO M-150 BL2

7B -- 30 MANUAL CONTROL HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM

SPECIFICATIONS
GENERAL SPECIFICATIONS
Application Compressor Receiver--Dryer Refrigerant Refrigerant Oil in A/C System Type Capacity Type Capacity Unit ---g -cc Kcal/h kPa (psi) kPa (psi) ON OFF ON OFF 1.0 (34.2) 205--245 180--220 300--400 Description SP--10.4PK AL R/DRIER R--134a System 500 (RHD : 530) RL 244 PAG OIL 150 5,500 200 (2.9) 1,500 (217.5) 2.45(36.81)

A/C Cooling Capacity (Airflow rate 8.7 kg/min) Refrigerant Pressure in A/C System(Engine Idle, Fresh Air 30_C (86_F), (86_F) Ambient Temperature 25_C--35_C (77_F--95_F), Temperature to Full Cold) A/C Compressor ON/OFF Condition (Refer to Section 1F, Engine Controls About the A/C Compressor ON/OFF Condition According to Engine Operating Status) Low Pressure Side High Pressure Side Evaporator Thermistor Temperature

_C (_F)

Dual Cut Switch Pressure

kPa

240--280

FASTENER TIGHTENING SPECIFICATIONS
Application Compressor Upper Bracket Bolts Compressor Front Head-to-Rear Head Through-Bolt High Pressure Pipe Line (Compressor Condenser) Bolt High Pressure Pipe Line (Compressor Condenser) Fitting High Pressure Pipe Line (Compressor Condenser) Clamp Nut Receiver--Dryer Flange Nut High Pressure Pipe Line (Condenser Receiver--Dryer) Fitting Nut High Pressure Pipe Line (Receiver--Dryer Evaporator) Fitting Nut High Pressure Pipe Line(Receiver--Dryer Evaporator) Clamp Nut Low Pressure Pipe Line (Evaporator Compressor) Fitting Nut Low Pressure Pipe Line (Evaporator Compressor) Clamp Nut Low Pressure Pipe Line(EvaporatorCompressor) Compressor Bolt Dual Cut Switch Receive--Dryer Bracket--to--Body Bolts Receive--Dryer Bracket Bolt Expansion Valve Coupling (Receiver--Dryer Expansion Valve) Expansion Valve Coupling (Expansion Valve Evaporator) Compressor Shaft Bolt Condenser Mounting Nuts NSm 20 22 23 23 5 14 14 14 5 14 5 23 13 5 5 17 22 13 4 Lb-Ft 15 16 17 17 -10.5 10.5 10.5 -10.5 -17 ---13 16 --Lb-In ----44 ---44 -44 -115 44 44 --115 36
DAEWOO M-150 BL2

MANUAL CONTROL HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM 7B -- 31

SPECIAL TOOLS AND EQUIPMENT
SPECIAL TOOLS TABLE

DW-610-010 Clutch Hub Holding Tool

D108B101

DAEWOO M-150 BL2

7B -- 32 MANUAL CONTROL HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM

SCHEMATIC AND ROUTING DIAGRAMS
A/C DIAGRAMS

D18B201B

DAEWOO M-150 BL2

MANUAL CONTROL HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM 7B -- 33

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