Dodge Ram Truck 1500-2500-3500. Manual — part 2059
INSTALLATION
NOTE: Use only the specified O-ring as it is made
of special material for R-134a. Use only refrigerant
oil of the type required for the A/C compressor.
1. Lubricate a new rubber O-ring seal (4) with clean
refrigerant oil and install it onto the discharge line
fitting (3).
2. Install the A/C pressure transducer (2) onto the A/C
discharge line. Tighten the A/C pressure transducer
securely.
3. Connect the wire harness connector (1) to the A/C
pressure transducer.
4. Reconnect the negative battery cable.
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CONTROLS
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DISTRIBUTION
TABLE OF CONTENTS
page
page
DUCT-DEFROSTER
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
. . . . . . . . . . . . . . . . . . . . . . . . 238
DUCT-FLOOR DISTRIBUTION
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
. . . . . . . . . . . . . . . . . . . . . . . . 240
DUCT-INSTRUMENT PANEL
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
. . . . . . . . . . . . . . . . . . . . . . . . 241
DUCT-INSTRUMENT PANEL DEMISTER
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
. . . . . . . . . . . . . . . . . . . . . . . . 242
HOUSING-HVAC
. . . . . . . . . . . . . . . . . . . . . . . . 243
. . . . . . . . . . . . . . . . . . 245
. . . . . . . . . . . . . . . . . . . . . 246
. . . . . . . . . . . . . . . . . . 252
. . . . . . . . . . . . . . . . . . . . . 254
. . . . . . . . . . . . . . . . . . 260
. . . . . . . . . . . . . . . . . . 262
MOTOR-BLOWER
. . . . . . . . . . . . . . . . . . . . . . . . 263
. . . . . . . . . . . . . . . . . . . . . . . . . . 263
. . . . . . . . . . . . . . . . . . . . 264
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
. . . . . . . . . . . . . . . . . . . . . . . . 265
OUTLETS-AIR
. . . . . . . . . . . . . . . . . . . . . . . . 266
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 266
. . . . . . . . . . . . . . . . . . . . . . . . 267
DUCT-DEFROSTER
REMOVAL
WARNING: On vehicles equipped with airbags, 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 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 accidental airbag deployment and possible personal injury or
death.
NOTE: Take the proper precautions to protect the front face of the instrument panel from cosmetic damage.
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DISTRIBUTION
24 - 237
1. Remove the instrument panel and place it on a workbench (Refer to 23 - BODY/INSTRUMENT PANEL/INSTRU-
MENT PANEL ASSEMBLY - REMOVAL).
2. Disconnect the center radio speaker wire harness connector (1) and position it the wire harness lead out of the
way.
3. Remove the screw (4) that secures the defroster duct adapter (3) to the instrument panel support.
4. Remove the defroster duct adapter from the defroster duct (5).
5. Remove the six screws (2) that secure the defroster duct to the instrument panel.
6. Remove the defroster duct from the instrument panel.
INSTALLATION
1. Position the defroster duct (5) into the instrument panel.
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DISTRIBUTION
DR/DH
2. Install the six screws (2) that secure the defroster duct to the instrument panel. Tighten the screws to 2.2 N·m
(20 in. lbs.).
3. Install the defroster duct adapter (3) onto the defroster duct.
4. Install the screw (4) that secures the defroster duct adapter to the instrument panel support. Tighten the screw to
2.2 N·m (20 in. lbs.).
5. Connect the center radio speaker wire harness connector (1) to the speaker.
6. Install the instrument panel (Refer to 23 - BODY/INSTRUMENT PANEL/INSTRUMENT PANEL ASSEMBLY -
INSTALLATION).
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 service. Disconnect and isolate the
battery negative (ground) cable, then wait two minutes for 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.
NOTE: Take the proper precautions to protect the front face of the instrument panel from cosmetic damage.
1. Remove the HVAC housing from the vehicle (Refer
to 24 - HEATING & AIR CONDITIONING/DISTRI-
BUTION/HOUSING-HVAC - REMOVAL).
2. Remove the screws (3) that secure the floor distri-
bution duct (1) to the bottom of the HVAC housing
(2).
3. Remove the floor distribution duct from the HVAC
housing.
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