Dodge Durango (HB). Manual — part 1557
REMOVAL
REAR CEILING AIR OUTLET
1. Using a trim stick or another suitable wide flat-
blade tool (1), gently pry between both bottom
ends of the rear ceiling air outlet bezel (2) and the
headliner (3) to release the snap clip retainers that
secure the air oulet bezel to the headliner.
2. Remove the rear ceiling air outlet(s) from the
headliner.
REAR CEILING AIR OUTLET GRILLE
1. Using a pick or another suitable tool (1), gently pry
between the right end of the rear ceiling air outlet
bezel (2) and the air outlet grille (3) to release the
snap clip retainer that secures the grille to the pivot
on the right side of the bezel.
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DISTRIBUTION - REAR
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2. Remove the rear ceiling air outlet grille (1) from the
pivot on the left side of the air outlet bezel (2) by
moving the grille out and to the right of the bezel.
INSTALLATION
REAR CEILING AIR OUTLET
1. Position the rear ceiling air outlet(s) (1) into the
headliner (2).
2. Gently push the air outlet bezel (3) into the head-
liner until the snap clips in the headliner duct fully
engage the slots in the bezel.
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DISTRIBUTION - REAR
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REAR CEILING AIR OUTLET GRILLE
1. Install the rear ceiling air outlet grille (1) onto the
pivot shaft (2) on the left side of the air outlet bezel
(3).
2. Gently push the air outlet grille (1) onto the pivot
shaft (2) on the right side of the air outlet bezel (3).
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DISTRIBUTION - REAR
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PLUMBING - FRONT
TABLE OF CONTENTS
page
page
PLUMBING - FRONT
. . . . . . . . . . . . . . . . . . . . . . . . 424
. . . . . . . . . . . . . . . . . . . . . . . . . . 425
. . . . . . . . . . . . . . . . . . . . . . . . . 425
. . . . . . . . . . . . . . . . . . . . . . . . . 425
EQUIPMENT . . . . . . . . . . . . . . . . . . . . . . . . 427
COMPRESSOR-A/C
. . . . . . . . . . . . . . . . . . . 431
. . . . . . . . . . . . . . . . . . . 431
. . . . . . . . . . . . . . . . . . . 432
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 432
. . . . . . . . . . . . . . . . . . . . . . . . 434
CONDENSER-A/C
. . . . . . . . . . . . . . . . . . . . . . . . 436
. . . . . . . . . . . . . . . . . . . . . . . . . . 436
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 436
. . . . . . . . . . . . . . . . . . . . . . . . 438
CORE-HEATER
. . . . . . . . . . . . . . . . . . . . . . . . 441
. . . . . . . . . . . . . . . . . . . . . . . . . . 441
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 441
. . . . . . . . . . . . . . . . . . . . . . . . 443
CORE-VALVE-SERVICE PORT
. . . . . . . . . . . . . . . . . . . . . . . . 445
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 445
. . . . . . . . . . . . . . . . . . . . . . . . 446
EVAPORATOR-A/C
. . . . . . . . . . . . . . . . . . . . . . . . 447
. . . . . . . . . . . . . . . . . . . . . . . . . . 447
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 447
. . . . . . . . . . . . . . . . . . . . . . . . 448
LINE-A/C DISCHARGE
. . . . . . . . . . . . . . . . . . . . . . . . 448
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 449
. . . . . . . . . . . . . . . . . . . . . . . . 450
LINE-A/C LIQUID
. . . . . . . . . . . . . . . . . . . . . . . . 451
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 451
. . . . . . . . . . . . . . . . . . . . . . . . 454
LINE-A/C SUCTION
. . . . . . . . . . . . . . . . . . . . . . . . 458
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 458
. . . . . . . . . . . . . . . . . . . . . . . . 459
OIL-A/C REFRIGERANT
. . . . . . . . . . . . . . . . . . . . . . . . 460
. . . . . . . . . . . . . . . . . . . . . . . . . . 460
RECEIVER/DRIER-A/C
. . . . . . . . . . . . . . . . . . . . . . . . 462
. . . . . . . . . . . . . . . . . . . . . . . . . . 462
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 462
. . . . . . . . . . . . . . . . . . . . . . . . 463
REFRIGERANT-A/C
. . . . . . . . . . . . . . . . . . . . . . . . 463
. . . . . . . . . . . . . . . . . . . . . . . . . . 464
VALVE-A/C EXPANSION
. . . . . . . . . . . . . . . . . . . . . . . . 464
. . . . . . . . . . . . . . . . . . . . . . . . . . 464
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 465
. . . . . . . . . . . . . . . . . . . . . . . . 466
PLUMBING - FRONT
DESCRIPTION
The A/C refrigerant lines and hoses are used to carry the refrigerant between the various A/C system components.
The refrigerant lines and hoses for the R-134a system on this vehicle consist of a barrier-hose design with a nylon
tube sandwiched between rubber layers. The nylon tube helps to contain the R-134a refrigerant, which has a
smaller molecular structure than R-12 refrigerant. The ends of the refrigerant lines are made from lightweight alu-
minum or steel, and commonly use braze-less fittings.
Any kinks or sharp bends in the refrigerant lines and hoses will reduce the capacity of the entire A/C system and
can reduce the flow of refrigerant in the system. The radius of all bends in the flexible hose refrigerant lines should
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PLUMBING - FRONT
HB
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