Daewoo Matiz (2003 year). Manual - part 191

7A – 22 HEATING AND VENTILATION SYSTEM

D18A515A

HEATER HOSES

(Left–Hand Drive Shown, Right–Hand
Drive Similar)
Tool Required

DW100–020 Hose Remover/Installer.

Removal Procedure

1. Disconnect the negative battery cable.
2. Drain the coolant.
3. Remove the heater inlet hoses.

D

Remove the air cleaner housing.

D

Raise and suitably support the vehicle.

D

Disconnect the hose from the heater module using
a hose remover DW100–020 (1).

D108A516

D

Lower the vehicle.

D

Disconnect the hose from the thermostat (2).

D18A517A

4. Remove the heater outlet hoses.

D

Raise and suitably support the vehicle.

D

Disconnect the hose from the heater module using
a hose remover DW100–020 (1).

D

Disconnect the B

+

 terminal from the starter. Refer

to Section 1E, Engine Electrical.

D108A518

D

Disconnect the heater hose from the engine (2).

HEATING AND VENTILATION SYSTEM 7A – 23

D108A521

Installation Procedure

1. Install the heater outlet hoses.

D

Connect the heater hose to the engine (1).

D

Connect the B

+

 terminal to the starter. Refer to

Section 1E, Engine Electrical.

D18A522A

D

Connect the hose to the heater module using a
hose installer DW100–020 (2).

D

Lower the vehicle.

D108A519

2. Install the heater inlet hoses.

D

Connect the hose to the thermostat (1).

D

Raise and suitably support the vehicle.

DW100–020

D18A520A

D

Connect the hose to the heater module using a
hose installer DW100–020 (2).

D

Lower the vehicle.

D

Install the air cleaner housing.

3. Refill the coolant. Refer to Section 1D, Engine Cool-

ing.

4. Connect the negative battery cable.

7A – 24 HEATING AND VENTILATION SYSTEM

D108A523

HEATER MODULE

(Left–Hand Drive Shown, Right–Hand
Drive Similar)

Removal Procedure

1. Disconnect the heater hoses from the heater module.

Refer to “Heater Hoses” in this section.

2. Remove the instrument panel and the lower tie bar

center. Refer to Section 9E, Instrumentation/Driver
Information.

3. Remove the heater module–to–blower module con-

nection tube on the vehicle not equipped with A/C.

a. Heater module–to–blower module connection tube.

D108A524

4. Remove the evaporator on the vehicle equipped with

A/C. Refer to Section 7B, Manual Control Heating,
Ventilation, and Air Conditioning System.

D108A525

5. Remove the heater module.

D

Remove the upper nuts (1).

D108A526

D

Remove the lower nuts (2).

D

Remove the heater module (3).

HEATING AND VENTILATION SYSTEM 7A – 25

D18A527B

D18A528B

Installation Procedure

1. Install the heater module with the nuts.

Tighten

Tighten the heater module lower nuts to 3–5 N

S

m

(27–44 lb-in) (1).

Tighten the heater module upper nuts to 3–5 N

S

m

(27–44 lb-in) (2).

2. Install the evaporator on the vehicle equipped with

A/C. Refer to Section 7B, Manual Control Heating,
Ventilation, and Air Conditioning System.

3. Install the heater module–to–blower module connec-

tion tube on the vehicle not equipped with A/C with
the screw.

4. Install the instrument panel and the lower tie bar. Re-

fer to Section 9E, Instrumentation/Driver Information.

5. Connect the heater hoses to the heater module. Re-

fer to “Heater Hoses” in this section.

D108A529

D108A530

BLOWER MODULE

(Left–Hand Drive Shown, Right–Hand
Drive Similar)

Removal Procedure

1. Remove the glove box from the instrument panel. Re-

fer to Section 9E, Instrumentation/Driver Information.

2. Remove the heater module–to–blower module con-

nection tube on the vehicle not equipped with A/C.
Refer to “Heater Module” in this section.

3. Remove the evaporator on the vehicle equipped with

A/C. Refer to Section 7B, Manual Control Heating,
Ventilation, and Air Conditioning System.

4. Remove the blower resistor. Refer to “Blower Resis-

tor” in this section.

5. Disconnect the blower motor connector. Refer to

“Blower Motor and Cooling Hose” in this section.

6. Remove the blower module.

D

Remove the nuts (1).

D

Disconnect the wiring harness (2).