Nissan Pathfinder (2008 year). Manual - part 429

 

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Nissan Pathfinder (2008 year). Manual - part 429

 

 

REFRIGERATION SYSTEM

HA-35

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Front A/C Compressor and Condenser - VK56DE

AWIIA0570GB

1.

High-pressure service valve

2.

Clip

3.

Front high-pressure A/C pipe

4.

Refrigerant pressure sensor

5.

Condenser

6.

Compressor shaft seal

7.

Front high-pressure flexible A/C hose

8.

Front low-pressure flexible A/C hose

9.

Low-pressure service valve

10. Front low-pressure A/C pipe

11.

Front expansion valve

12. Front A/C drain hose

P.

Refrigerant leak checking order (a - k)

Q.

Tightening torque

R.

Wrench size

S.

O-ring size

T.

Former type refrigerant connection

U.

New type refrigerant connection

HA-36

< ON-VEHICLE REPAIR >

REFRIGERATION SYSTEM

Front A/C Compressor and Condenser - VQ40DE

REAR REFRIGERATION SYSTEM

WJIA1399E

1.

High-pressure service valve

2.

Clip

3.

Front high-pressure A/C pipe

4.

Refrigerant pressure sensor

5.

Condenser

6.

Compressor shaft seal

7.

Front high-pressure flexible A/C hose

8.

Front low-pressure flexible A/C hose

9.

Low-pressure service valve

10. Front low-pressure A/C pipe

11.

Front expansion valve

12. Front A/C drain hose

REFRIGERATION SYSTEM

HA-37

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Rear A/C

HFC-134a (R-134a) Service Procedure

INFOID:0000000001689461

SETTING OF SERVICE TOOLS AND EQUIPMENT

Discharging Refrigerant

WJIA1400E

1.

Rear high- and low-pressure A/C pipes

2.

Rear heater core hoses

3.

Underfloor rear high- and low-pres-
sure A/C and heater core pipes

4.

Rear expansion valve

HA-38

< ON-VEHICLE REPAIR >

REFRIGERATION SYSTEM

WARNING:

Avoid breathing A/C refrigerant and oil vapor or mist. Exposure may irritate eyes, nose and throat.
Remove HFC-134a (R-134a) refrigerant from the A/C system using certified service equipment meeting
requirements of SAE J2210 HFC-134a (R-134a) recycling equipment or SAE J2201 HFC-134a (R-134a)
recovery equipment. If an accidental system discharge occurs, ventilate the work area before resum-
ing service. Additional health and safety information may be obtained from the refrigerant and oil man-
ufacturers.

Evacuating System and Charging Refrigerant

1.

Shut-off valve

2.

A/C service valve

3.

Recovery/recycling equipment

WJIA1160E

1.

Shut-off valve

2.

A/C service valve

3.

Recovery/recycling equipment

4.

Refrigerant container (HFC-134a)

5.

Refrigerant weight scale (J-39699)

6.

Vacuum pump (J-39649)

7.

Manifold gauge set with hoses and 
couplers (J-39183-C)

WJIA1161E

HA-40

< ON-VEHICLE REPAIR >

COMPRESSOR

COMPRESSOR

Removal and Installation for Compressor

INFOID:0000000001689462

A/C Compressor Mounting - VK56DE

A/C Compressor Mounting - VQ40DE

WJIA0958E

LJIA0176E

COMPRESSOR

HA-41

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REMOVAL

1.

Discharge the A/C refrigerant. Refer to 

HA-37, "HFC-134a (R-134a) Service Procedure"

.

2.

Remove the front left wheel and tire assembly. Refer to 

WT-36, "Rotation"

.

3.

Remove the engine cover.

4.

Remove the front left mud guard.

5.

Remove the front left splash shield.

6.

Remove the power steering cooler hose bracket bolt and reposition the hose out of the way (VK56DE
only).

7.

Remove the engine air cleaner and air ducts. Refer to 

EM-155, "Removal and Installation"

 (VK56DE), 

EM-

25, "Removal and Installation"

 (VQ40DE).

8.

Remove the drive belt. Refer to 

EM-153, "Removal and Installation"

 (VK56DE), 

EM-25, "Removal and

Installation"

 (VQ40DE).

9.

Disconnect the compressor harness connector.

10. Disconnect both the front high-pressure flexible A/C hose and front low-pressure flexible A/C hose from

the compressor.

CAUTION:

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

11. Remove the A/C compressor bolts using power tools.

INSTALLATION

Installation is in the reverse order of removal.

CAUTION:

• Replace the O-ring of the front low-pressure flexible A/C hose and front high-pressure flexible A/C

hose with a new one, apply compressor oil to the O-rings before installation.

• After recharging the A/C system with refrigerant, check for leaks. Refer to 

HA-29, "Checking of

Refrigerant Leaks"

.

Removal and Installation for Compressor Clutch

INFOID:0000000001689463

Magnet Clutch Assembly - VK56DE

1.

Compressor

2.

Front timing chain case

3.

Rear timing chain case

4.

Cylinder block

WJIA0372E

1.

Magnet clutch assembly

2.

Magnet coil

3.

Pulley

4.

Clutch disc

5.

Snap ring

6.

Thermal protector (built in)

7.

Compressor

HA-42

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COMPRESSOR

Magnet Clutch Assembly - VQ40DE

REMOVAL

1.

Remove the compressor. Refer to 

HA-40, "Removal and Installation for Compressor"

.

2.

Remove the center bolt while holding the clutch disc stationary
using Tool as shown.

3.

Remove the clutch disc.

4.

Remove the snap ring using external snap ring pliers or suitable
tool.

WJIA1162E

1.

Magnet clutch assembly

2.

Magnet coil

3.

Pulley

4.

Clutch disc

5.

Snap ring

6.

Thermal protector (built in)

7.

Compressor

Tool number

: J-44614

WHA228

RHA072C

 

 

 

 

 

 

 

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