Dodge Neon / Neon SRT-4. Manual — part 430
DISTRIBUTION
TABLE OF CONTENTS
page
page
AIR OUTLETS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
. . . . . . . . . . . . . . . . . . . . . . . . . 28
BLOWER MOTOR
. . . . . . . . . . . . . . . . . . . . . . . . . 30
. . . . . . . . . . . . . . . . . . . . . . . . . . . 30
. . . . . . . . . . . . . . . . . . . . . 30
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
. . . . . . . . . . . . . . . . . . . . . . . . . 31
DEFROSTER DUCT
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
. . . . . . . . . . . . . . . . . . . . . . . . . 31
HVAC HOUSING
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
. . . . . . . . . . . . . . . . . . . . . . . . . 33
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
. . . . . . . . . . . . . . . . . . . . . . . . . 34
AIR OUTLETS
REMOVAL
AIR OUTLET DISTRIBUTION DUCT
(1) Remove the instrument panel assembly from
the vehicle and place it on a bench (Refer to 23 -
BODY/INSTRUMENT
PANEL/INSTRUMENT
PANEL ASSEMBLY - REMOVAL).
(2) Remove the screws that secure the air outlet
distribution duct to the instrument panel (Fig. 1).
(3) Disengage the right demister hose from the
integral retainer on the right side of the air outlet
distribution duct.
(4) Disconnect the right demister hose from the
integral right intermediate demister duct.
(5) Disconnect the right demister hose from the air
outlet distribution duct and remove the demister
hose from the instrument panel.
(6) Disengage the air outlet distribution duct from
the defroster duct
(7) Disengage the left air outlet duct from the
instrument panel.
(8) Remove the air outlet distribution duct, left
intermediate duct and the air outlet ducts from the
instrument panel as an assembly.
(9) If required, remove the right air outlet duct
from the air outlet distribution duct.
(10) If required, remove the left intermediate duct
from the air outlet distribution duct.
(11) If required, remove the left air outlet duct
from the left intermediate duct.
LEFT DEMISTER ADAPTER DUCT
(1) Remove the instrument panel assembly from
the vehicle and place it on a bench (Refer to 23 -
BODY/INSTRUMENT
PANEL/INSTRUMENT
PANEL ASSEMBLY - REMOVAL).
(2) Remove the air outlet distribution duct from
the instrument panel (Refer to AIR OUTLET DIS-
TRIBUTION DUCT).
(3) Remove the screws that secure the left demis-
ter adapter duct to the instrument panel (Fig. 1).
(4) Remove the left demister adapter duct from the
instrument panel.
AIR OUTLET CENTER DUCT
(1) Remove the center bezel from the instrument
panel (Refer to 23 - BODY/INSTRUMENT PANEL/
INSTRUMENT
PANEL
CENTER
BEZEL
-
REMOVAL).
(2) Remove the screws that secure the air outlet
center duct to the center instrument panel (Fig. 2).
(3) Disengage the air outlet center duct from the
air outlet distribution duct.
(4) Remove the air outlet center duct from the cen-
ter instrument panel.
INSTALLATION
AIR OUTLET DISTRIBUTION DUCT
(1) If removed, install the left air outlet to the left
intermediate duct.
(2) If removed, install the left intermediate duct to
the air outlet distribution duct.
(3) If removed, install the right air outlet duct to
the air outlet distribution duct.
(4) Position the air outlet distribution duct, left
intermediate duct and the air outlet ducts into the
instrument panel as an assembly.
(5) Engage the left air outlet duct to the instru-
ment panel.
(6) Engage the air outlet distribution duct to the
defroster duct.
(7) Connect the right demister hose to the air out-
let distribution duct.
24 - 28
DISTRIBUTION
PL/SRT-4
(8) Connect the right demister hose to the integral
right intermediate demister duct.
(9) Engage the right demister hose to the integral
retainer on the right side of the air outlet distribu-
tion duct.
(10) Install the screws that secure the air outlet
distribution duct to the instrument panel. Tighten
the screws to 2.3 N·m (20 in. lbs.).
(11) Install the instrument panel assembly (Refer
to 23 - BODY/INSTRUMENT PANEL/INSTRUMENT
PANEL ASSEMBLY - INSTALLATION).
LEFT DEMISTER ADAPTER DUCT
(1) Position the left demister adapter duct to the
instrument panel.
(2) Install the screws that secure the left demister
adapter duct to the instrument panel. Tighten the
screws to 2.3 N·m (20 in. lbs.).
(3) Install the air outlet distribution duct to the
instrument panel (Refer to AIR OUTLET DISTRIBU-
TION DUCT).
(4) Install the instrument panel assembly (Refer to
23 - BODY/INSTRUMENT PANEL/INSTRUMENT
PANEL ASSEMBLY - INSTALLATION).
AIR OUTLET CENTER DUCT
(1) Position the air outlet center duct to the center
instrument panel.
(2) Engage the air outlet center duct to the air out-
let distribution duct.
Fig. 1 Air Outlet Distribution Duct - LHD Shown, RHD Typical
1 - INSTRUMENT PANEL
2 - DEFROSTER DUCT
3 - LEFT INTERMEDIATE DUCT
4 - LEFT AIR OUTLET DUCT
5 - SCREW (2)
6 - LEFT DEMISTER ADAPTER DUCT
7 - SCREW (8)
8 - RIGHT DEMISTER HOSE
9 - AIR OUTLET DISTRIBUTION DUCT
10 - RIGHT AIR OUTLET DUCT
Fig. 2 Air Outlet Center Duct
1 - CENTER INSTRUMENT PANEL
2 - AIR OUTLET CENTER DUCT
PL/SRT-4
DISTRIBUTION
24 - 29
AIR OUTLETS (Continued)
(3) Install the screws that secure the air outlet
center duct to the center instrument panel. Tighten
the screws to 2.3 N·m (20 in. lbs.).
(4) Install the center bezel onto the instrument
panel (Refer to 23 - BODY/INSTRUMENT PANEL/
INSTRUMENT PANEL CENTER BEZEL - INSTAL-
LATION).
BLOWER MOTOR
DESCRIPTION
The blower motor is a 12-volt, Direct Current (DC)
motor with a squirrel cage-type blower wheel that is
secured to the blower motor shaft (Fig. 3). The
blower motor and wheel are located near the passen-
ger side end of the HVAC housing in the passenger
compartment
below
the
instrument
panel.
The
blower motor and blower motor wheel are a factory
balanced unit and cannot be adjusted or repaired. If
faulty or damaged, the blower motor and blower
wheel must be replaced as a unit (Refer to 24 -
HEATING & AIR CONDITIONING/DISTRIBUTION/
BLOWER MOTOR - REMOVAL).
OPERATION
The blower motor will operate whenever the igni-
tion switch is in the On position, and the blower con-
trol switch is in any position except Off. The blower
motor circuit is protected by a fuse in the instrument
panel fuse block. The blower motor speed is con-
trolled by regulating the battery feed through the
blower control switch and the blower motor resistor.
The blower motor and wheel are used to control the
velocity of air moving through the heater-only or A/C-
heater systems. The blower motor controls the veloc-
ity of the air flowing through the HVAC housing by
spinning the blower wheel within the housing at the
selected speed.
DIAGNOSIS AND TESTING
BLOWER MOTOR
WARNING: On vehicles equipped with airbags, dis-
able the airbag system before attempting any steer-
ing wheel, steering column, or instrument panel
component diagnosis or service. Disconnect and
isolate the negative battery (ground) cable, then
wait two minutes for the airbag system capacitor to
discharge before performing further diagnosis or
service. Failure to take the proper precautions
could result in accidental airbag deployment and
possible personal injury or death.
NOTE: For circuit descriptions and diagrams, refer
to Air Conditioning/Heater in Group 8W - Wiring
Diagrams.
OPERATION
Possible causes of an inoperative blower motor or
blower motor not operating in all speeds include:
• Faulty fuse
• Faulty blower motor resistor
• Faulty blower motor switch
• Faulty blower motor
• Faulty blower motor circuit wiring or wire har-
ness connectors
VIBRATION
Possible causes of blower motor vibration include:
• Improper blower motor mounting
• Improper blower wheel mounting
• Deformed blower wheel
• Out of balance blower wheel due to foreign
material in the wheel
• Faulty blower motor
NOISE
To determine if the blower motor is the source of
the noise, simply switch the blower motor from Off to
On. To verify that the blower motor is the source of
the noise, unplug the blower motor wire harness con-
nector and operate the heating-A/C system. If the
noise goes away, possible causes include:
• Foreign material in the HVAC air inlet housing
• Improper blower motor mounting
• Improper blower wheel mounting
• Faulty blower motor
Fig. 3 Blower Motor
1 - BLOWER MOTOR
2 - RUBBER GROMMET
3 - BLOWER MOTOR CONNECTOR
4 - MOUNTING TABS
24 - 30
DISTRIBUTION
PL/SRT-4
AIR OUTLETS (Continued)
REMOVAL
NOTE: The blower motor is located on the bottom
right side of the HVAC housing. The blower motor
can be removed from the vehicle without having to
remove the HVAC housing.
WITH AIR CONDITIONING
(1) Disconnect and isolate the negative battery
cable.
(2) Remove the passenger side door sill scuff plate.
(3) Pull back the carpet to access the blower motor.
(4) Disconnect the blower motor wire harness con-
nector.
(5) Remove the screws that secure the blower
motor to the HVAC housing (Fig. 4).
(6) Remove the blower motor from the HVAC hous-
ing.
WITHOUT AIR CONDITIONING
(1) Disconnect and isolate the negative battery
cable.
(2) Disconnect the blower motor wire harness con-
nector.
(3) Grasp the blower motor while pulling down on
the locking tab. Turn the blower motor approximately
1/8 turn counterclockwise (Fig. 5).
(4) Remove the blower motor from the HVAC hous-
ing.
INSTALLATION
WITH AIR CONDITIONING
(1) Position the blower motor into the HVAC hous-
ing.
(2) Install the blower motor retaining screws.
Tighten the screws to 2 N·m (17 in. lbs.).
(3) Connect the blower motor wire harness connec-
tor.
(4) Reposition the carpet.
(5) Install the door sill scuff plate.
(6) Reconnect the negative battery cable.
WITHOUT AIR CONDITIONING
(1) Position the blower motor into the housing.
(2) Rotate the blower motor clockwise until the tab
snaps into the locked position, approximately 1/8
turn.
(3) Connect the blower motor wire harness connec-
tor.
(4) Reconnect the negative battery cable.
DEFROSTER DUCT
REMOVAL
(1) Remove the instrument panel from the vehicle
(Refer to 23 - BODY/INSTRUMENT PANEL/IN-
STRUMENT PANEL ASSEMBLY - REMOVAL).
(2) Remove the defroster duct from the top of the
HVAC housing (Fig. 6).
INSTALLATION
(1) Install the defroster duct onto the top of the
HVAC housing. Snap the retainers into place.
(2) Install the instrument panel (Refer to 23 -
BODY/INSTRUMENT
PANEL/INSTRUMENT
PANEL ASSEMBLY - INSTALLATION).
Fig. 4 Blower Motor - With A/C, Typical
1 - BLOWER MOTOR
2 - BLOWER MOTOR RETAINING SCREW (3)
3 - BLOWER MOTOR WIRING
Fig. 5 Blower Motor - Without A/C, Typical
1 - HVAC HOUSING
2 - BLOWER MOTOR
PL/SRT-4
DISTRIBUTION
24 - 31
BLOWER MOTOR (Continued)
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