Daewoo Nubira. Manual - part 181

7A – 20

I

HEATING AND VENTILATION SYSTEM

DAEWOO V–121 BL4

Installation Procedure

1.  Install the bulb into the holder and turn the bulb to

the right.

2.  Install the control assembly case halves.

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  Pass the connector for the vacuum switch

through the hole in the rear assembly case part.

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  Be sure to align the flats onmating control shafts

of the two case halves.

3.  Install the connector into the vacuum control switch.

4.  Install the control assembly. Refer to  ”Control As-

sembly”  in this section.

5.  Connect the negative battery cable.
6.  Check the knob light for proper operation.

HEATER/AIR DISTRIBUTOR CASE
ASSEMBLY

Removal Procedure

1.  Disconnect the negative battery cable.
2.  Remove the instrument panel carrier assembly. Re-

fer to Section 9E, Instrumentation/Driver Informa-
tion.

3.  Drain the cooling system. Refer to Section 1D, En-

gine Cooling.

4.  Turn the vacuum hose and pull the hose off.

HEATING AND VENTILATION SYSTEM  7A – 21

DAEWOO V–121 BL4

5.  Compress the heater hose clamps at the bulkhead

and slide the clamps toward the engine.

6.  Remove the two heater hoses from the core lines at

the bulkhead.

7.  Remove the screws that secure the heater/air dis-

tributor case assembly to the bulkhead on either
side of the heater core pipes.

8.  Remove the heater/air distributor case screw lo-

cated above the fuel filter on the engine compart-
ment side of the bulkhead.

9.  Have an assistant support the heater/air distributor

case from inside the vehicle.

Notice : Handle the case carefully to avoid damage to the
mechanical door operating linkage.

10.  Remove the screws from the connecting block

opening mount on the engine compartment side of
the bulkhead on the right–hand side of the vehicle.
The case assembly will start to drop.

11.  Pull the heater/air distributor case straight away

from the bulkhead to free the alignment pegs from
their openings in the bulkhead.

12.  Remove the heater/air distributor case assembly

from the vehicle.

7A – 22

I

HEATING AND VENTILATION SYSTEM

DAEWOO V–121 BL4

Installation Procedure

1.  Position the heater/air distributor case in the ve-

hicle.

Notice : Avoid damaging the heater core tubes by making
sure they do not contact the bulkhead opening.

2.  Slowly raise the heater/air distributor case into posi-

tion.

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  Insert the guide pegs through their holes in the

bulkhead.

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  Hold the case in position against the bulkhead

while installing and tightening the screws on the
engine side of the bulkhead.

3.  Install the screws through the bulkhead from the

engine compartment side.

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  Install the two screws at the connecting block

mount.

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  Install the screw above the fuel filter.

Tighten

Tighten the heater/air distributor case assembly
screws to 4 N

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m (35 lb–in).

4.  Install the two heater/air distributor case screws

that flank the heater core pipes.

Tighten

Tighten the heater/air distributor case assembly
screws to 4 N

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m (35 lb–in).

5.  Install the vacuum hose.
6.  Install the two heater hoses.
7.  Slide the heater hose clamps into position.

HEATING AND VENTILATION SYSTEM  7A – 23

DAEWOO V–121 BL4

8.  Install the instrument panel carrier assembly. Refer

to Section 9E, Instrumentation/Driver Information.

9.  Fill the cooling system. Refer to Section 1D, Engine

Cooling.

10.  Connect the negative battery cable.

Notice : If the vehicle is equipped with air conditioning, re-
fer to Section7B, Heater/Air Distributor Case Assembly.

11.  Operate the controls to verify the proper function of

the heating and ventilating systems.

BLOWER MOTOR

Removal Procedure

1.  Disconnect the negative battery cable.
2.  Remove the glove box. Refer to 9E, Instrumenta-

tion/Driver Information.

3.  Remove the footwell upper cover. Refer to Section

9E, Instrumentation/Driver Information.

4.  Disconnect the blower motor electrical connector.
5.  Remove the blower motor cooling hose.
6.  Remove the screws that secure the motor to the

heater/air distributor case.

7.  Remove the motor, the seal, and the shock mount

pads from the heater/air distributor case by gently
pulling the motor straight down and out.

Installation Procedure

1.  Install the blower motor and the seal with the shock

mount pads in the heater/air distributor case. Hold
the blower motor in position.

2.  Install the screws to secure the blower motor to the

heater/air distributor case.

Tighten

Tighten the blower motor retaining screws to 6 N

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m

(53 lb–in).

3.  Install the blower motor cooling hose.
4.  Connect the blower motor electrical connector.
5.  Connect the negative battery cable.
6.  Confirm that the blower motor operates properly.
7.  Replace the footwell upper cover. Refer to Section

9E, Instrumentation/Driver Information.

8.  Replace the glove box. Refer to Section 9E, Instru-

mentation/Driver Information.