Dodge Dakota (ND). Manual - part 1300

INSTALLATION

1. Position the A/C discharge line (2) into the engine

compartment.

2. Remove the tape or plugs from the opened dis-

charge line fittings and the condenser and com-
pressor ports

3. Lubricate new rubber O-ring seals with clean refrig-

erant oil and install them and new gaskets onto the
discharge line fittings. 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. Install the A/C discharge line to the A/C compres-

sor.

5. Install the nut (1) that secures the A/C discharge

line to the A/C compressor. Tighten the nut to 23
N·m (17 ft. lbs.).

6. Install the A/C discharge line to the A/C condenser

(4).

7. Install the nut (3) that secures the A/C discharge line to the A/C condenser. Tighten the nut to 20 N·m (15 ft.

lbs.).

8. Reconnect the negative battery cable.

9. Evacuate the refrigerant system (Refer to 24 - HEATING & AIR CONDITIONING/PLUMBING - STANDARD PRO-

CEDURE - REFRIGERANT SYSTEM EVACUATE).

10. Charge the refrigerant system (Refer to 24 - HEATING & AIR CONDITIONING/PLUMBING - STANDARD PRO-

CEDURE - REFRIGERANT SYSTEM CHARGE).

LINE-A/C LIQUID

DESCRIPTION

The A/C liquid line is the refrigerant line that carries refrigerant from the A/C condenser to the A/C evaporator. The
A/C liquid line uses a spring-lock type refrigerant line coupler to connect it to the A/C evaporator (Refer to 24 -
HEATING & AIR CONDITIONING/PLUMBING/REFRIGERANT LINE COUPLER - DESCRIPTION). The A/C liquid
line is made from light-weight aluminum and uses braze-less fittings.

The A/C liquid line includes the high-side service port, the fixed A/C orifice tube and a fitting for the A/C pressure
transducer. For more information refer to 24 - HEATING & AIR CONDITIONING/PLUMBING/SERVICE PORT
VALVE CORE - DESCRIPTION, 24 - HEATING & AIR CONDITIONING/PLUMBING/A/C ORIFICE TUBE -
DESCRIPTION and 24 - HEATING & AIR CONDITIONING/CONTROLS/TRANSDUCER-A/C PRESSURE -
DESCRIPTION.

CAUTION: Use only O-ring seals specified for the vehicle. Failure to use the correct O-ring seal will cause
the refrigerant system connections to leak.

The A/C liquid line has no serviceable parts except for the rubber O-ring seals and gasket, high-side service port
valve, cap and secondary retaining clip. The O-ring seals used on the connections are made from a special type of
rubber not affected by R-134a refrigerant. The O-ring seals and gasket must be replaced whenever the A/C liquid
line is removed and installed.

If the A/C liquid line is found to be leaking or is damaged, it must be replaced.

24 - 198

PLUMBING

REMOVAL

WARNING: Refer to the applicable warnings and cautions for this system before performing the following
operation (Refer to 24 - HEATING & AIR CONDITIONING/PLUMBING - WARNINGS) and (Refer to 24 - HEAT-
ING & AIR CONDITIONING/PLUMBING - CAUTIONS). Failure to follow the warnings and cautions could result
in possible personal injury or death.

1. Recover the refrigerant from the refrigerant system

(Refer to 24 - HEATING & AIR CONDITIONING/
PLUMBING

STANDARD

PROCEDURE

REFRIGERANT SYSTEM RECOVERY).

2. Disconnect and isolate the negative battery cable.

3. Disconnect the wire harness connector (2) from the

A/C pressure transducer (8).

4. Remove the air filter housing (Refer to 9 -

ENGINE/AIR

INTAKE

SYSTEM/AIR

FILTER

HOUSING - REMOVAL).

5. Remove the nut (6) that secures the A/C liquid line

(1) to the condenser outlet port (7).

6. Disconnect the A/C liquid line from the A/C con-

denser and remove and discard the O-ring seal
and gasket.

7. Disengage the A/C liquid line from the body retain-

ing clips (5).

8. Remove the secondary retaining clip (4) from the

spring-lock coupler that secures the A/C liquid line to evaporator inlet tube (3).

9. Using the proper A/C line disconnect tool, disconnect the A/C liquid line from the evaporator inlet tube and

remove and discard the O-ring seals (Refer to 24 - HEATING & AIR CONDITIONING/PLUMBING/COUPLER-
REFRIGERANT LINE - REMOVAL).

10. Install plugs in, or tape over the opened ends of the A/C liquid line and the condenser and evaporator ports.

11. Remove the A/C liquid line from the engine compartment.

12. If required , remove the A/C pressure transducer from the A/C liquid line (Refer to 24 - HEATING & AIR CON-

DITIONING/CONTROLS/TRANSDUCER-A/C PRESSURE - REMOVAL).

INSTALLATION

1. If removed, install the A/C pressure transducer (8)

onto the A/C liquid line (1).

2. Position the A/C liquid line into the engine compart-

ment.

3. Remove the tape or plugs from the opened ends of

the A/C liquid line and the condenser and evapora-
tor ports.

4. Lubricate new O-ring seals with clean refrigerant oil

and install them onto the liquid line spring-lock cou-
pler fitting. Use only the specified O-ring seals as
they are 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.

5. Connect the A/C liquid line to the evaporator inlet

tube (3) (Refer to 24 - HEATING & AIR CONDI-
TIONING/PLUMBING/COUPLER-REFRIGERANT
LINE - INSTALLATION).

PLUMBING

24 - 199

6. Install the secondary retaining clip (4) onto the spring-lock coupler that secures the A/C liquid line to the evap-

orator inlet tube.

7. Engage the A/C liquid line into the body retaining clips (5).

8. Lubricate a new 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 seal 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.

9. Connect the A/C liquid line to the condenser outlet port (7).

10. Install the nut (6) that secures the A/C liquid line to the condenser outlet port. Tighten the nut to 20 N·m (15 ft.

lbs.).

11. Install the air filter housing (Refer to 9 - ENGINE/AIR INTAKE SYSTEM/AIR FILTER HOUSING - INSTALLA-

TION).

12. Connect the wire harness connector (2) to the A/C pressure transducer.

13. Reconnect the negative battery cable.

14. Evacuate the refrigerant system (Refer to 24 - HEATING & AIR CONDITIONING/PLUMBING - STANDARD

PROCEDURE - REFRIGERANT SYSTEM EVACUATE).

15. Charge the refrigerant system (Refer to 24 - HEATING & AIR CONDITIONING/PLUMBING - STANDARD PRO-

CEDURE - REFRIGERANT SYSTEM CHARGE).

LINE-A/C SUCTION

DESCRIPTION

The A/C suction line is the refrigerant line that carries refrigerant from the A/C accumulator to the A/C compressor.

CAUTION: Use only O-ring seals specified for the vehicle. Failure to use the correct O-ring seals will cause
the refrigerant system connections to leak.

The A/C suction line has no serviceable parts except for the rubber O-ring seals and gaskets. The O-ring seals used
on the connections are made from a special type of rubber not affected by R-134a refrigerant. The O-ring seals and
gaskets must be replaced whenever the A/C suction line is removed and installed.

If the A/C suction line is found to be leaking or is damaged, it must be replaced.

REMOVAL

24 - 200

PLUMBING

1. Recover the refrigerant from the refrigerant system

(Refer to 24 - HEATING & AIR CONDITIONING/
PLUMBING

STANDARD

PROCEDURE

REFRIGERANT SYSTEM RECOVERY).

2. Disconnect and isolate the negative battery cable.

3. Remove the resonator from the engine.

4. Remove the nut (1) that secures the A/C suction

line (5) to the A/C accumulator (6).

5. Disconnect the A/C suction line from the A/C accu-

mulator and remove and discard the O-ring seal
and gasket.

6. Remove the nut (1) that secures the A/C suction

line to the A/C compressor.

7. Disconnect the A/C suction line from the A/C com-

pressor and remove and discard the O-ring seal
and gasket.

8. Install plugs in, or tape over the suction line fittings

and the accumulator and compressor ports.

9. Remove the A/C suction line from the engine compartment.

INSTALLATION

1. Position the A/C suction line (5) into the engine

compartment.

2. Remove the tape or plugs from the opened suction

line fittings and the accumulator and compressor
ports.

3. Lubricate new rubber O-ring seals with clean refrig-

erant oil and install them and new gaskets onto the
suction line fittings. 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. Install the A/C suction line to the A/C compressor.

5. Install the nut (1) that secures the A/C suction line

to the A/C compressor. Tighten the nut to 23 N·m
(17 ft. lbs.).

6. Install the A/C suction line to the A/C accumulator

(6).

7. Install the nut (1) that secures the A/C suction line

to the A/C accumulator. Tighten the nut to 20 N·m (15 ft. lbs.).

8. Install the resonator onto the engine.

9. Reconnect the negative battery cable.

10. Evacuate the refrigerant system (Refer to 24 - HEATING & AIR CONDITIONING/PLUMBING - STANDARD

PROCEDURE - REFRIGERANT SYSTEM EVACUATE).

11. Charge the refrigerant system (Refer to 24 - HEATING & AIR CONDITIONING/PLUMBING - STANDARD PRO-

CEDURE - REFRIGERANT SYSTEM CHARGE).

PLUMBING

24 - 201

Content .. 1298 1299 1300 1301 ..