Nissan Pathfinder. Manual - part 681

COOLER PIPE AND HOSE

HA-35

< REMOVAL AND INSTALLATION >

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LOW-PRESSURE FLEXIBLE HOSE : Removal and Installation

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REMOVAL

1. Discharge the refrigerant. Refer to 

HA-23, "Recycle Refrigerant"

.

2. Remove the front under cover. Refer to 

EXT-30, "Removal and Installation"

.

3. Remove the low-pressure flexible hose bolt from the high-pressure and low-pressure pipe.

CAUTION:

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

4. Remove the low-pressure flexible hose bolt from the compressor.
5. Remove the low-pressure flexible hose.

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 low-pressure flexible hose for installation.

• After charging refrigerant, check for leaks. Refer to 

HA-21, "Leak Test"

.

HIGH-PRESSURE PIPE
HIGH-PRESSURE PIPE : Removal and Installation

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REMOVAL

1. Discharge the refrigerant. Refer to 

HA-23, "Recycle Refrigerant"

.

2. Remove core support cover. Refer to 

EXT-16, "Exploded View"

.

3. Remove front air duct. Refer to 

EM-24, "Removal and Installation"

.

4. Remove front under cover. Refer to 

EXT-30, "Removal and Installation"

.

5. Remove the high-pressure pipe bolt from the high-pressure and low-pressure pipe.

CAUTION:

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

6. Remove the high-pressure pipe bolt from the condenser pipe assembly.
7. Remove clip that retains the high-pressure pipe.
8. Remove the high-pressure pipe.

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 high-pressure pipe for installation.

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

HA-21, "Leak Test"

.

HIGH-PRESSURE FLEXIBLE HOSE
HIGH-PRESSURE FLEXIBLE HOSE : Removal and Installation

INFOID:0000000009176746

REMOVAL

1. Discharge the refrigerant. Refer to 

HA-23, "Recycle Refrigerant"

.

2. Remove the front air duct. Refer to 

EM-24, "Exploded View"

.

3. Remove the core support cover. Refer to 

EXT-16, "Exploded View"

.

4. Remove the front under cover. Refer to 

EXT-16, "Exploded View"

.

5. Remove the high-pressure flexible hose bolt from 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.

6. Remove the high-pressure flexible hose from the compressor.
7. Remove the high-pressure flexible hose.

INSTALLATION

HA-36

< REMOVAL AND INSTALLATION >

COOLER PIPE AND HOSE

Installation is in the reverse order of removal.

CAUTION:

• Do not reuse O-rings.

• Apply A/C oil to the O-rings of the high-pressure flexible hose for installation.

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

HA-21, "Leak Test"

.

UNDERFLOOR REAR HIGH-PRESSURE AND LOW-PRESSURE A/C PIPES
UNDERFLOOR REAR HIGH-PRESSURE AND LOW-PRESSURE A/C PIPES : Ex-
ploded View

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UNDERFLOOR REAR HIGH-PRESSURE AND LOW-PRESSURE A/C PIPES : Re-
moval and Installation

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REMOVAL

1. Discharge the refrigerant. Refer to 

HA-23, "Recycle Refrigerant"

.

2. Remove the engine room cover.
3. Remove the front air duct. Refer to 

EM-24, "Exploded View"

.

4. Remove the cowl top extension. Refer to 

EXT-25, "Removal and Installation"

.

5. Disconnect the underfloor rear high-pressure and low-pressure A/C pipes from the high-pressure and low-

pressure pipe.

CAUTION:

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

6. Remove the front exhaust tube. Refer to 

EX-5, "Exploded View"

.

7. Remove the propeller shaft assembly (4WD only). Refer to 

DLN-103, "Removal and Installation"

.

8. Disconnect the underfloor rear high-pressure and low-pressure A/C pipes from the rear heating and cool-

ing unit assembly.

9. Lower the rear suspension member to allow room to remove the underfloor rear high-pressure and low-

pressure A/C pipes. Refer to 

RSU-8, "Exploded View"

.

10. Remove the underfloor rear high-pressure and low-pressure pipes bracket bolts, then remove the under-

floor rear high-pressure and low-pressure A/C pipes.

INSTALLATION

1.

Front heating and cooling unit assembly 2.

Rear blower motor 1 unit assembly 3.

Rear cooling unit assembly

4.

Rear underfloor high and low-pressure 
pipes

A.

Nut

B.

Bolt

C.

Screw

Front

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COOLER PIPE AND HOSE

HA-37

< REMOVAL AND INSTALLATION >

C

D

E

F

G

H

J

K

L

M

A

B

HA

N

O

P

Installation is in the reverse order of removal.

CAUTION:

• Do not reuse O-rings.

• Apply A/C oil to new O-rings for installation.

• After charging refrigerant, check for leaks. Refer to 

HA-21, "Leak Test"

.

HA-38

< REMOVAL AND INSTALLATION >

CONDENSER

CONDENSER

Exploded View

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CONDENSER
CONDENSER : Removal and Installation

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REMOVAL

1. Discharge the refrigerant. Refer to 

HA-23, "Recycle Refrigerant"

.

2. Remove the front air duct. Refer to 

EM-24, "Exploded View"

.

3. Remove the front bumper fascia. Refer to 

EXT-17, "Removal and Installation"

.

4. Remove the hood lock assembly. Refer to 

DLK-299, "HOOD LOCK RELEASE CABLE : Removal and

Installation"

.

5. Disconnect the harness connector from the refrigerant pressure sensor.
6. Remove the radiator core support center brace bolts (A) then

remove the radiator core support center brace.

7. Remove the bolt that retains the condenser pipe assembly to the condenser, then separate the condenser

pipe assembly from the condenser.

CAUTION:

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

8. Remove the condenser bracket bolts.
9. Remove the condenser.

1.

Core support cover

2. Condenser upper bracket (LH)

3. Refrigerant pressure sensor

4.

Condenser air deflector (LH)

5. Condenser lower bracket (LH)

6. Condenser (includes liquid tank)

7.

Condenser lower bracket (RH)

8. Condenser pipe assembly

9. Condenser air deflector (RH)

10. Condenser upper bracket (RH)

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