Dodge Nitro. Manual — part 756

verify that the blower motor is the source of the noise, unplug the blower motor wire harness connector and
operate the heater-A/C system. If the noise goes away, possible causes include:

Foreign material on fresh air inlet screen

Foreign material in blower wheel

Foreign material in HVAC housing

Improper blower motor mounting

Deformed or damaged blower wheel

Worn blower motor bearings or brushes

VIBRATION

Possible causes of a blower motor vibration include:

Improper blower motor mounting

Foreign material in blower wheel

Deformed or damaged blower wheel

Worn blower motor bearings

REMOVAL

MOTOR-BLOWER

Fig. 113: HVAC Housing, Screws, Instrument Panel Wire Harness Connector & Blower Motor
Courtesy of CHRYSLER LLC

NOTE:

The blower motor is located on the bottom of the passenger side of the HVAC
housing. The blower motor can be removed from the vehicle without having to
remove the HVAC housing.

2007 Dodge Nitro R/T

2007 HVAC Heating & Air Conditioning - Service Information - Nitro

1. Disconnect and isolate the negative battery cable.

2. If equipped, remove the silencer from below the passenger side of the instrument panel. Refer to

REMOVAL .

3. From underneath the instrument panel, disconnect the instrument panel wire harness connector (3) from

the blower motor (4).

4. Remove the three screws (2) that secure the blower motor to the bottom of the HVAC housing (1) and

remove the blower motor.

INSTALLATION

MOTOR-BLOWER

Fig. 114: HVAC Housing, Screws, Instrument Panel Wire Harness Connector & Blower Motor
Courtesy of CHRYSLER LLC

1. Position the blower motor (4) into the bottom of the HVAC housing (1).

2. Install the three screws (2) that secure the blower motor to the HVAC housing. Tighten the screws to 1.2

N.m (10 in. lbs.).

3. Connect the instrument panel wire harness connector (3) to the blower motor.

4. If equipped, install the silencer below the passenger side of the instrument panel. Refer to

INSTALLATION .

5. Reconnect the negative battery cable.

OUTLET-AIR

DESCRIPTION

NOTE:

LHD model shown. RHD model similar.

NOTE:

LHD model shown. RHD model similar.

2007 Dodge Nitro R/T

2007 HVAC Heating & Air Conditioning - Service Information - Nitro

OUTLET-AIR

Fig. 115: Defroster Air Outlets, Instrument Panel Top Cover, Side Window Demister Air Outlets,
Instrument Panel & Instrument Panel Air Outlets
Courtesy of CHRYSLER LLC

There are two defroster air outlets (1) located in the instrument panel top cover (2). The airflow from the
defroster outlets is directed by fixed vanes and cannot be adjusted. The defroster air outlets are not serviceable
from the instrument panel top cover. Refer to REMOVAL .

There are two side window demister air outlets (3). One located at each end of the instrument panel (4) near the
A-pillars. The airflow from the side window demister air outlets is directed by fixed vanes and cannot be
adjusted. The side window demister air outlets are integral to the left and right side instrument panel air outlets
and cannot be serviced separately. See REMOVAL.

There are four instrument panel air outlets (5). One air outlet is located near each outboard end of the instrument
panel facing the rear of the vehicle and the other two outlets are located near the top of the instrument panel
center bezel. The left and right side instrument panel air outlets are serviced separately. See REMOVAL. The
instrument panel air outlets located at the center of the instrument panel are integral to the instrument panel
center bezel and cannot be serviced separately . Refer to REMOVAL . Each of the instrument panel air outlets
contain an air outlet grille (6) that is used to direct or shut off the flow of the conditioned air leaving the
instrument panel and cannot be serviced separately from the outlets.

REMOVAL

OUTLET-AIR

NOTE:

LHD model shown. RHD model similar.

WARNING:

Disable the airbag system before attempting any steering wheel, steering
column, or instrument panel component diagnosis or service. Disconnect
and isolate the battery negative (ground) cable, then wait two minutes for

2007 Dodge Nitro R/T

2007 HVAC Heating & Air Conditioning - Service Information - Nitro

Fig. 116: Screw, Air Outlet, Trim Stick C-4755 & Instrument Panel
Courtesy of CHRYSLER LLC

1. Disconnect and isolate the negative battery cable.

2. Remove the defroster grille. Refer to REMOVAL .

3. Depending on the air outlet being serviced, remove the instrument cluster bezel or passenger side air bag.

Refer to REMOVAL for Cluster Bezel, or REMOVAL for Passenger Airbag.

4. Remove the A-pillar trim molding from the side of the vehicle being serviced. Refer to REMOVAL .

5. Remove the screw (1) that secures the top of the air outlet (2) to the instrument panel (4).

6. Using a trim stick C-4755 or equivalent (3), gently pry the lower portion of the air outlet rearward to

disengage the two metal retaining clips from the instrument panel and remove the outlet.

7. If required, carefully disengage the plastic retaining tabs that secure the air outlet grille to the back of air

outlet and remove the grille from the outlet.

INSTALLATION

OUTLET-AIR

the airbag system capacitor to discharge before performing further
diagnosis or service. This is the only sure way to disable the airbag
system. Failure to take the proper precautions could result in an
accidental airbag deployment and possible personal injury or death.

2007 Dodge Nitro R/T

2007 HVAC Heating & Air Conditioning - Service Information - Nitro