2006 DODGE RAM SRT-10 Service Repair Manual

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Page 5057 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual Improper heater hose routing.
Plugged heater hoses or supply and return ports at the cooling system connections.
Plugged heater core.
If proper coolant flow through the cooling system is verified, and

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DODGE RAM SRT-10 2006 Service Repair Manual Description Nꞏm Ft. Lbs. In. Lbs.
All Screws NOT Listed
Below2.2 — 20
A/C Accumulator Bolts 4.5 — 40
A/C Compressor to Engine
#3 Bolt (3.7L/4.7L)40 30 —
A/C Compressor to Engine
(except #3) Bo

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DODGE RAM SRT-10 2006 Service Repair Manual SPECIAL TOOLS
A/C SYSTEM
Compressor Clutch Holding Fixture 9351
Compressor Field Coil Installer 9352
Compressor Field CoilInstaller Spacer 9353
Compressor Field Coil Remover 9354
Clutch Pulley Install

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DODGE RAM SRT-10 2006 Service Repair Manual page page
ACTUATOR-BLEND DOOR
DESCRIPTION ............................... 220
OPERATION ................................. 220
REMOVAL ................................... 221
INSTALLATION .............

page page
ACTUATOR-BLEND DOOR
DESCRIPTION ............................... 220
OPERATION ................................. 220
REMOVAL ................................... 221
INSTALLATION .............................. 222
ACTUATOR-MODE DOOR
DESCRIPTION ............................... 225
OPERATION ................................. 225
REMOVAL ................................... 226
INSTALLATION .............................. 227
ACTUATOR-RECIRCULATION DOOR
DESCRIPTION ............................... 229
OPERATION ................................. 229
REMOVAL ................................... 230
INSTALLATION .............................. 230
CLUTCH-A/C COMPRESSOR
DESCRIPTION ............................... 232
OPERATION ................................. 232
DIAGNOSIS AND TESTING
A/C COMPRESSOR CLUTCH COIL.......... 232
STANDARD PROCEDURE
A/C CLUTCH PLATE INSPECTION.......... 233
A/C CLUTCH BREAK-IN.................... 233
REMOVAL
DENSO A/C COMPRESSOR ................ 234
VISTEON A/C COMPRESSOR .............. 235INSTALLATION
DENSO A/C COMPRESSOR................ 238
VISTEON A/C COMPRESSOR.............. 240
CONTROL-A/C HEATER
DESCRIPTION
MANUAL SINGLE ZONE .................... 243
MANUAL DUAL ZONE ...................... 243
REMOVAL ................................... 244
INSTALLATION .............................. 244
RESISTOR-BLOWER MOTOR
DESCRIPTION ............................... 245
OPERATION ................................. 245
DIAGNOSIS AND TESTING
BLOWER MOTOR RESISTOR ............... 245
REMOVAL ................................... 246
INSTALLATION .............................. 247
SENSOR-EVAPORATOR TEMPERATURE
DESCRIPTION ............................... 248
OPERATION ................................. 248
REMOVAL ................................... 249
INSTALLATION .............................. 250
TRANSDUCER-A/C PRESSURE
DESCRIPTION ............................... 251
OPERATION ................................. 251
REMOVAL ................................... 251
INSTALLATION .............................. 252

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DODGE RAM SRT-10 2006 Service Repair Manual ACTUATOR-BLEND DOOR
DESCRIPTION
The blend door actuators are reversible, 12-volt direct
current (DC), servo motors. Models with the single
zone heating-A/C system have a single blend-air door,
which i

ACTUATOR-BLEND DOOR
DESCRIPTION
The blend door actuators are reversible, 12-volt direct
current (DC), servo motors. Models with the single
zone heating-A/C system have a single blend-air door,
which is controlled by a single blend door actuator.
Models with the dual zone system have two blend-air
doors, which are controlled by two blend door actua-
tors.
The blend door actuator (1) for the single zone heat-
ing-A/C system is located near the center of the HVAC
housing (2), close to the dash panel.
For the dual zone heating-A/C system, the same
blend door actuator used for the single zone system
becomes the driver side blend door actuator, which is
mechanically connected to only the driver side blend-
air door. A second separate blend door actuator (3)
located on the top of the HVAC housing is mechani-
cally connected to the passenger side blend-air door.
All actuators (1) are interchangeable with each other.
Each actuator is contained within an identical black
molded plastic housing with an integral wire connector
receptacle (2). Each actuator also has an identical
output shaft with splines (3) that connect it to its
respective door linkage and three integral mounting
tabs (4) that allow the actuator to be secured to the
HVAC housing. The blend door actuators do not
require mechanical indexing to the blend-air doors, as
they are electronically calibrated by the A/C-heater
control.
OPERATION
The blend door actuators are connected to the A/C-heater control through the vehicle electrical system by a dedi-
cated two-wire lead and connector of the HVAC wire harness. The blend door actuator(s) can move the blend-air
door(s) in two directions. When the A/C-heater control pulls the voltage on one side of the motor connection high
and the other connection low, the blend-air door will move in one direction. When the A/C-heater control reverses
the polarity of the voltage to the motor, the blend-air door moves in the opposite direction.
When the A/C-heater control makes the voltage to both connections high or both connections low, the blend-air door
stops and will not move. The A/C-heater control uses a pulse-count positioning system to monitor the operation and
relative position of the blend door actuator(s) and the blend-air door(s). The A/C-heater control learns the blend-air
door stop positions during the calibration procedure and will store a diagnostic trouble code (DTC) for any problems
it detects in the blend door actuator circuits.

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DODGE RAM SRT-10 2006 Service Repair Manual The blend door actuators are diagnosed using a scan tool (Refer to 24 - HEATING & AIR CONDITIONING - DIAG-
NOSIS AND TESTING and to 24 - HVAC Electrical Diagnostics for more information).
The blend do

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DODGE RAM SRT-10 2006 Service Repair Manual DUAL ZONE PASSENGER SIDE
1. Disconnect and isolate the negative battery cable.
2. Remove the instrument panel from the vehicle
(Refer to 23 - BODY/INSTRUMENT PANEL/IN-
STRUMENT PANEL ASSEMBLY - REMOVA

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DODGE RAM SRT-10 2006 Service Repair Manual SINGLE ZONE/DUAL ZONE DRIVER SIDE
1. Install the blend door actuator (1) onto the back of
the HVAC housing (2). If necessary, rotate the
actuator slightly to align the splines on the actuator
output s

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