Dodge Nitro. Manual — part 750
6. Remove the defrost door lever and gear assembly (1), mode door cam (2), panel door gear (3), blend door
gear (4), blend door lever (6) and the blend door cam (5) from the driver side of the air distribution
housing (7).
7. If equipped with the 2.8L diesel engine, remove the electric positive temperature coefficient (PTC) heater
unit from the air distribution housing. See REMOVAL.
Fig. 79: Air Distribution Housing Assembly
Courtesy of CHRYSLER LLC
8. Remove the two screws (1) that secure the upper front passenger side floor duct (7) to the passenger side
of the air distribution housing (8) and remove the duct.
9. Carefully remove the foam seal (3) from the heater core tube flange (4). If the seal is deformed or
damaged, it must be replaced.
10. Remove the screw (2) that secures the heater core tube flange to the air distribution housing.
11. Disengage the plastic retainer (5) from around the heater core tubes (6) and remove the flange.
NOTE:
If the foam seal for the heater core tube flange is deformed or damaged, it
must be replaced.
2007 Dodge Nitro R/T
2007 HVAC Heating & Air Conditioning - Service Information - Nitro
Fig. 80: Plastic Retaining Tabs, Heater Core & Air Distribution Housing
Courtesy of CHRYSLER LLC
12. Disengage the four plastic retaining tabs (1) that secure the heater core (2) to the passenger side of the air
distribution housing (3) and carefully remove the heater core from the housing.
Fig. 81: Foam Seal, Parting Line, Air Distribution Housing, Parting Line, Plastic Retaining Tabs &
Screw
Courtesy of CHRYSLER LLC
13. Carefully cut the foam seal (1) along the parting line (2) of the two halves of the air distribution housing
(3 and 6). If the seal is deformed or damaged, it must be replaced.
14. Remove the screw (5) that secures the two halves of the air distribution housing together located on the
bottom of the housing, near the center.
NOTE:
If the foam insulator around the heater core is deformed or damaged, the
insulator must be replaced.
2007 Dodge Nitro R/T
2007 HVAC Heating & Air Conditioning - Service Information - Nitro
15. Disengage the four plastic retaining tabs (4) and carefully separate the two halves of the air distribution
housing.
Fig. 82: Air Deflector Vane Assembly & Air Distribution Housing
Courtesy of CHRYSLER LLC
16. Remove the air deflector vane assembly (1) from the passenger side of the air distribution housing (2).
Disengage the two plastic retaining tabs (1) and slide the vane straight out of the housing.
Fig. 83: Removing/Installing Floor-Air Door, Blend-Air Door, Panel-Air Door And Defrost-Air
Door From Driver Side Of Air Distribution Housing
Courtesy of CHRYSLER LLC
17. Remove the floor-air door (1), blend-air door (2), panel-air door (3) and the defrost-air door (4) from the
driver side of the air distribution housing (5) as required.
NOTE:
If the seal on any air door is deformed or damaged, that air door must be
replaced.
2007 Dodge Nitro R/T
2007 HVAC Heating & Air Conditioning - Service Information - Nitro
HOUSING-HVAC
Fig. 84: Air Distribution Housing, HVAC Housing & Air Inlet Housing
Courtesy of CHRYSLER LLC
1. Remove the HVAC housing assembly and place it on a workbench. See REMOVAL.
2. Remove the air distribution housing (1) from the HVAC housing (2). See REMOVAL.
3. Remove the air inlet housing (3) from the HVAC housing. See REMOVAL.
4. Remove the passenger side lower front floor duct. See REMOVAL.
Fig. 85: Screws, HVAC Housing, Blower Motor & Blower Motor Resistor
Courtesy of CHRYSLER LLC
NOTE:
The HVAC housing must be removed from the vehicle and disassembled for
service of the A/C evaporator.
NOTE:
LHD model shown in illustrations. RHD model similar.
2007 Dodge Nitro R/T
2007 HVAC Heating & Air Conditioning - Service Information - Nitro
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