Dodge Durango (HB). Manual — part 1565
7. Remove the nut (1) that secures the front section
of the A/C liquid line (2) to the A/C condenser (3).
8. Disconnect the A/C liquid line from the A/C con-
denser and remove and discard the O-ring seal
and gasket.
9. Install plugs in, or tape over the opened liquid line
fitting and condenser port.
10. Remove the front section of the A/C liquid line
from the engine compartment.
REAR SECTION
1. Recover the refrigerant from the refrigerant system
(Refer to 24 - HEATING & AIR CONDITIONING/
PLUMBING - FRONT - STANDARD PROCEDURE
- REFRIGERANT SYSTEM RECOVERY).
2. Disconnect and isolate the negative battery cable.
3. Remove the air cleaner housing (1) from the right
side of the engine compartment (Refer to 9 -
ENGINE/AIR
INTAKE
SYSTEM/AIR
CLEANER
HOUSING - REMOVAL).
4. Remove the rear section of the A/C liquid line (2)
from the plastic retainer (3) located on the right
inner fender (4).
HB
PLUMBING - FRONT
24 - 453
5. Remove the bolt (1) that secures the rear section
of the A/C liquid line (2) to the receiver/drier (3).
6. Disconnect the rear section of the A/C liquid line
from the receiver/drier and remove and discard the
O-ring seal.
7. Install plugs in, or tape over the opened liquid line
fitting and the receiver/drier port.
8. Raise and support the vehicle.
9. Remove the right front wheelhouse splash shield
(Refer to 23 - BODY/EXTERIOR/LF WHEEL-
HOUSE SPLASH SHIELD - REMOVAL).
10. Remove the plastic retainer (1) that secures the
A/C suction line (2) to the liquid line tapping block
(4).
11. Remove the nut (3) that secures the liquid line
tapping block to the A/C expansion valve (5).
12. Disconnect the A/C suction line and the rear sec-
tion of the A/C liquid line from the A/C expansion
valve and remove and discard the O-ring seals
and gaskets.
13. Install plugs in, or tape over the opened refriger-
ant line fittings and the expansion valve ports.
14. Separate the A/C suction line from the liquid line
tapping block.
15. On models equipped with the rear heating-A/C
system, disconnect the underbody liquid line from the liquid line tapping block (Refer to 24 - HEATING & AIR
CONDITIONING/PLUMBING -REAR/COUPLER-REFRIGERANT LINE - REMOVAL) and (Refer to 24 - HEAT-
ING & AIR CONDITIONING/PLUMBING - REAR/LINE-A/C LIQUID - REMOVAL).
16. Remove the rear section of the A/C liquid line from the engine compartment.
INSTALLATION
NOTE: TheA/C liquid line is serviced in two sections. The front section connects between the A/C con-
denser and the receiver/drier. The rear section connects between the receiver/drier and the A/C expansion
valve. On models equipped with the rear heating-A/C system, the rear section of the A/C liquid line also
includes an extension tube that connects the liquid line to the underbody lines.
24 - 454
PLUMBING - FRONT
HB
FRONT SECTION
1. Position the front section of theA/C liquid line (2)
into the engine compartment.
2. Remove the tape or plugs from the liquid line fitting
and the condenser port.
3. Lubricate a new rubber O-ring seal with clean
refrigerant oil and install it and a new gasket onto
the liquid line fitting. Use only the specified O-ring
as it is made of a special material for the R-134a
system. Use only refrigerant oil of the type recom-
mended for the A/C compressor in the vehicle.
4. Connect the A/C liquid line to the A/C condenser
(3).
5. Install the nut (1) that secures the A/C liquid line to
the A/C condenser. Tighten the nut to 22 N·m (16
ft. lbs.).
6. Remove the tape or plugs from the liquid line fitting
and the receiver/drier (3).
7. Lubricate a new rubber O-ring seal with clean
refrigerant oil and install it onto the liquid line fitting.
Use only the specified O-ring as it is made of a
special material for the R-134a system. Use only
refrigerant oil of the type recommended for the A/C
compressor in the vehicle.
8. Connect the front section of the A/C liquid line (2)
to the receiver/drier.
9. Install the bolt (1) that secures the front section of
theA/C liquid line to the receiver/drier. Tighten the
bolt to 11 N·m (100 in. lbs.).
HB
PLUMBING - FRONT
24 - 455
10. Install the air cleaner housing (1) to the right side
of the engine compartment (Refer to 9 - ENGINE/
AIR INTAKE SYSTEM/AIR CLEANER HOUSING -
REMOVAL).
11. Reconnect the negative battery cable.
12. Evacuate the refrigerant system (Refer to 24 -
HEATING & AIR CONDITIONING/PLUMBING -
FRONT - STANDARD PROCEDURE - REFRIG-
ERANT SYSTEM EVACUATE).
13. Charge the refrigerant system (Refer to 24 -
HEATING & AIR CONDITIONING/PLUMBING -
FRONT - STANDARD PROCEDURE - REFRIG-
ERANT SYSTEM CHARGE).
REAR SECTION
1. Position the rear section of the A/C liquid line into
the engine compartment.
2. Install the A/C suction line (2) into the liquid line
tapping block (4).
3. Install the plastic retainer (1) that secures the A/C
suction line to the liquid line tapping block.
4. Remove the tape or plugs from the suction and liq-
uid line fittings and the A/C expansion valve (5).
5. Lubricate new rubber O-ring seals with clean refrig-
erant oil and install them and a new gasket onto
the A/C expansion valve. Use only the specified
O-rings as they are made of a special material for
the R-134a system. Use only refrigerant oil of the
type recommended for the A/C compressor in the
vehicle.
6. Connect the A/C suction line and the rear section
of the A/C liquid line to the A/C expansion valve.
7. Install the nut (3) that secures the liquid line tap-
ping block to the A/C expansion valve. Tighten the nut to 23 N·m (17 ft. lbs.).
8. On models equipped with the rear heating-A/C system, connect the underbody liquid line to the liquid line tapping
block (Refer to 24 - HEATING & AIR CONDITIONING/PLUMBING - REAR/LINE-A/C LIQUID - INSTALLATION)
or (Refer to 24 - HEATING & AIR CONDITIONING/PLUMBING - REAR/COUPLER-REFRIGERANT LINE -
INSTALLATION).
9. Install the right front wheelhouse splash shield (Refer to 23 - BODY/EXTERIOR/LF WHEELHOUSE SPLASH
SHIELD - INSTALLATION).
10. Lower the vehicle.
24 - 456
PLUMBING - FRONT
HB
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