2006 DODGE RAM SRT-10 Service Repair Manual

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Page 5097 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual DUCT-FLOOR CONSOLE
REMOVAL
NOTE: Illustration shown with seat cushions
removed from view for clarity.
1. Removethefloorconsole(Referto23-BODY/IN-
TERIOR/FLOOR CONSOLE - REMOVAL).
2. Slide the floor co

Page 5098 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual DUCT-FLOOR DISTRIBUTION
REMOVAL
WARNING: On vehicles equipped with airbags, disable the airbag system before attempting any steering
wheel, steering column, or instrument panel component diagnosis or

Page 5099 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual DUCT-INSTRUMENT PANEL
REMOVAL
WARNING: On vehicles equipped with airbags, disable the airbag system before attempting any steering
wheel, steering column, or instrument panel component diagnosis or se

Page 5100 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual INSTALLATION
1. Position the instrument panel ducts (1 and 5) onto
the instrument panel support.
2. Install the three screws that secure each instru-
ment panel duct to the instrument panel support.
T

Page 5101 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual DUCT-INSTRUMENT PANEL DEMISTER
REMOVAL
WARNING: On vehicles equipped with airbags, disable the airbag system before attempting any steering
wheel, steering column, or instrument panel component diagno

Page 5102 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual INSTALLATION
1. Position the demister ducts onto the instrument
panel cover.
2. Install the two screws that secure each demister
duct to the instrument panel cover. Tighten the
screws to 2.2 Nꞏm (20

Page 5103 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual HOUSING-HVAC
DESCRIPTION
All models are equipped with a common HVAC housing assembly that combines A/C and heating capabilities into a
single unit mounted within the passenger compartment. The HVAC ho

HOUSING-HVAC
DESCRIPTION
All models are equipped with a common HVAC housing assembly that combines A/C and heating capabilities into a
single unit mounted within the passenger compartment. The HVAC housing assembly consists of the following:
HVAC housing— The HVAC housing consists of an upper housing (7) and a lower housing (10) that are
attached together by screws and is mounted to the dash panel behind the instrument panel. The HVAC hous-
ing contains the heater core (9), A/C evaporator (15), blend-air and mode-air doors, and has mounting provi-
sions for the air-door actuators (3, 5, 6 and 8), floor distribution duct (4), blower motor (13), blower motor
resistor, foam seals (12, 14 and 16) and the HVAC wire harness (11).
Air inlet housing— The air inlet housing (1) is mounted to the right end of the HVAC housing andcontains
the recirculation-air door and has mounting provisions for the recirculation door actuator (2).
The heating-A/C system is a blend-air type system. The blend-air doors control the amount of conditioned air that is
allowed to flow through, or around, the heater core. The dual zone heating A/C system uses two blend door actua-
tors while the single zone system uses only one blend door actuator.
The A/C system is designed for the use of a non-CFC, R-134a refrigerant and uses an A/C evaporator to cool and
dehumidify the incoming air prior to blending it with the heated air. A temperature control determines the discharge
air temperature by operating the blend door actuator(s), which moves the blend-air door(s). This allows an almost
immediate control of the output air temperature of the system. The mode door actuator operates the mode-air doors
which direct the flow of the conditioned air out the various air outlets, depending on the mode selected. The recir-
culation door actuator operates the recirculation-air door which closesoff the fresh air intake and recirculates the air
already inside the vehicle. The electric door actuators are connected to the vehicle electrical system by the HVAC
wire harness. The blower motor controls the velocity of air flowing through the HVAC housing assembly by spinning
the blower wheel within the HVAC housings at the selected speed by use of theblower motor resistor.
The HVAC housing must be removed from the vehicle and disassembled for service of the heater core, A/C evap-
orator, evaporator temperature sensor, blend-air and mode-air doors. The air inlet housing must be removed from
HVAC housing and disassembled for service of the recirculation-air door.

Page 5104 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual REMOVAL
HVAC HOUSING ASSEMBLY
WARNING: Refer to the applicable warnings and cautions for this system before performing the following
operation (Refer to 24 - HEATING & AIR CONDITIONING/PLUMBING - WARN

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