Nissan Pathfinder. Manual - part 682

CONDENSER

HA-39

< REMOVAL AND INSTALLATION >

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10. Remove the refrigerant pressure sensor as necessary. Refer to 

HA-39, "REFRIGERANT PRESSURE

SENSOR : Removal and Installation"

.

INSTALLATION

Installation is in the reverse order of removal.

CAUTION:

• Do not reuse O-rings.

• Apply A/C oil to the O-rings of the condenser for installation.

• After charging the refrigerant, check for leaks. Refer to 

HA-21, "Leak Test"

.

CONDENSER PIPE ASSEMBLY
CONDENSER PIPE ASSEMBLY : Removal and Installation

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REMOVAL

1. Discharge the refrigerant. Refer to 

HA-23, "Recycle Refrigerant"

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2. Remove the core support cover. Refer to 

EXT-16, "Exploded View"

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3. Remove the bolt that retains the condenser pipe assembly to the condenser.
4. Remove the bolt (A) that retains the condenser pipe assembly to

the high-pressure flexible hose and high-pressure pipe.

5. Remove the condenser pipe assembly.

CAUTION:

Cap or wrap the joint of the pipe with suitable material such as vinyl tape to avoid the entry of air.

INSTALLATION

Installation is in the reverse order of removal.

CAUTION:

• Do not reuse O-rings.

• Apply A/C oil to the O-rings of the condenser pipe assembly for installation.

• After charging the refrigerant, check for leaks. Refer to 

HA-21, "Leak Test"

.

LIQUID TANK
LIQUID TANK : Removal and Installation

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The liquid tank is only serviced as part of the condenser. Refer to 

HA-38, "CONDENSER : Removal and Instal-

lation"

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REFRIGERANT PRESSURE SENSOR
REFRIGERANT PRESSURE SENSOR : Removal and Installation

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REMOVAL

1. Discharge the refrigerant. Refer to 

HA-23, "Recycle Refrigerant"

.

2. Remove the core support cover. Refer to 

EXT-16, "Exploded View"

.

3. Disconnect the harness connector from the refrigerant pressure sensor.

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HA-40

< REMOVAL AND INSTALLATION >

CONDENSER

4. Remove the refrigerant pressure sensor (1).

CAUTION:

Cap or wrap the opening of the refrigerant pressure sensor

with suitable material such as vinyl tape to avoid the entry

of air.

INSTALLATION

Installation is in the reverse order of removal.

CAUTION:

• Do not reuse O-ring.

• Apply A/C oil to the O-ring of the refrigerant pressure sensor for installation.

• After charging the refrigerant, check for leaks. Refer to 

HA-21, "Leak Test"

.

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HEATING AND COOLING UNIT ASSEMBLY

HA-41

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HEATING AND COOLING UNIT ASSEMBLY

HEATING AND COOLING UNIT ASSEMBLY
HEATING AND COOLING UNIT ASSEMBLY : Exploded View - Front Heating and 
Cooling Unit Assembly

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HEATING AND COOLING UNIT ASSEMBLY : Removal and Installation - Front Heat-
ing and Cooling Unit Assembly

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REMOVAL

CAUTION:

Before servicing, turn the ignition switch off, disconnect both battery cables and wait at least three

minutes.

NOTE:

When removing components such as hoses, lines/tubes, etc., cap or plug openings to prevent fluid from leak-

ing.
1. Disconnect the negative and positive battery terminals and wait at least three minutes. Refer to 

PG-90,

"Removal and Installation"

.

2. Discharge the refrigerant. Refer to 

HA-23, "Recycle Refrigerant"

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3. Drain the engine coolant. Refer to 

CO-11, "Changing Engine Coolant"

.

4. Remove the instrument panel assembly. Refer to 

IP-15, "Removal and Installation"

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5. Remove the steering column. Refer to 

ST-46, "Removal and Installation"

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6. Remove the front floor connecting duct (LH/RH). Refer to 

VTL-10, "Exploded View"

.

1.

Front heating and cooling unit assembly

2.

Front evaporator

3.

Heater case side cover

4.

Air mix door motor (passenger side)

5.

Front blower unit case

6.

Intake door motor

7.

Front blower motor

8.

Front foot duct (RH)

9.

Air mix door motor (rear)

10. In-cabin microfilter cover

11. In-cabin microfilter

12. Drain hose

13. Expansion valve grommet

14. Front expansion valve

15. Front heater core

16. Air mix door motor (driver side)

17. Aspirator hose

18. Front foot duct (LH)

19. Front heater core pipe cover

20. Mode door motor (front)

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HA-42

< REMOVAL AND INSTALLATION >

HEATING AND COOLING UNIT ASSEMBLY

7. Disconnect the harness connectors (B) from the super multiple

junction (SMJ) block (A).

8. Disconnect the high-pressure and low-pressure pipe from the front expansion valve.

CAUTION:

Cap or wrap the joint of the pipe with suitable material such as vinyl tape to avoid the entry of air.

9. Disconnect the heater hoses from the front heater core.
10. Remove the cowl top extension. Refer to 

EXT-25, "Removal and Installation"

.

11. Remove the body panel plug (A), then remove the steering

member bolt.

12. Remove the bolts that retain the steering member to the vehicle body.
13. Disconnect the front drain hose from the front heating and cooling unit assembly.
14. Disconnect the harness connectors from the front heating and cooling unit assembly and steering mem-

ber.

15. Remove the front heating and cooling unit assembly and steering member from the vehicle as an assem-

bly.

CAUTION:

Use care not to damage the seats when removing the steering member.

16. Remove the bolts that retain the front heating and cooling unit assembly to the steering member.
17. Separate the front heating and cooling unit assembly from the steering member.

INSTALLATION

Installation is in the reverse order of removal.

HEATING AND COOLING UNIT ASSEMBLY : Exploded View - Rear Cooling Unit As-

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