Nissan Frontier D40. Manual - part 722

 

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Nissan Frontier D40. Manual - part 722

 

 

COMPRESSOR

HA-31

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5.

Remove the pulley using Tool (A) (QR25DE), or suitable tool (A)
(VQ40DE).

CAUTION:

To prevent deformation of the pulley groove, the puller
claws should be hooked under the pulley groove and not
into the pulley groove.

6.

Remove the magnet coil snap ring (A) using a suitable tool and
remove the magnet coil (1).

INSPECTION

Clutch Disc

If the contact surface shows signs of damage due to excessive heat, replace clutch disc and pulley.

Pulley

Check the appearance of the pulley assembly. If contact surface of pulley shows signs of excessive grooving,
replace clutch disc and pulley. The contact surfaces of the pulley assembly should be cleaned with a suitable
solvent before reinstallation.

Coil

Check magnet coil for loose connections or any cracked insulation. Replace as necessary.

INSTALLATION

1.

Install the magnet coil and snap ring using a suitable tool.

CAUTION:

Be sure to align the magnet coil pin with the hole in the
compressor front head.

2.

Install the pulley assembly using Tool and a wrench, then install
the snap ring using a suitable tool.

Tool number
(QR25DE only)

: KV99233130 (J-29884)

AWIIA1285ZZ

ALIIA0379ZZ

WHA213

Tool number

:

(J-38873-A)

WJIA1016E

HA-32

< ON-VEHICLE REPAIR >

COMPRESSOR

3.

Install the clutch disc on the compressor shaft, together with all
of the original shim(s) using a suitable tool. Press the clutch disc
in by hand.

4.

Install the clutch pulley bolt while using Tool to prevent the clutch
disc from turning and tighten the bolt to specification.

CAUTION:

After tightening the clutch pulley bolt, check that the clutch
pulley rotates smoothly.

5.

Check the pulley clearance all the way around the clutch disc as
shown.

6.

If the specified clearance is not obtained, replace the adjusting
spacer to readjust.

7.

Install the cooling fan. Refer to 

CO-19, "Removal and Installa-

tion (Crankshaft driven type)"

 (QR25DE), 

CO-46, "Removal and

Installation (Crankshaft driven type)"

 (VQ40DE).

BREAK-IN OPERATION

When replacing compressor clutch assembly, always conduct the break-in operation. This is done by engag-
ing and disengaging the clutch about 30 times. Break-in operation raises the level of transmitted torque.

WHA184

Tool number

: J-44614

WHA229

Clutch disc-to-pulley clearance

: 0.3 - 0.6 mm 
(0.012 - 0.024 in)

WHA194

HIGH-PRESSURE FLEXIBLE HOSE

HA-33

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HIGH-PRESSURE FLEXIBLE HOSE

Removal and Installation for High-pressure Flexible A/C Hose

INFOID:0000000005272565

REMOVAL

1.

Remove the front left wheel and tire. Refer to 

WT-46, "Rotation"

.

2.

Remove the front left mud guard.

3.

Remove the front left splash shield.

4.

Discharge the refrigerant. Refer to 

HA-26, "HFC-134a (R-134a) Service Procedure"

.

5.

Remove the high-pressure flexible A/C hose.

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.
Refer to 

HA-25, "Component"

.

CAUTION:

• Replace the O-ring of the high-pressure flexible A/C hose with a new one, then apply compressor oil

to it for installation.

• After charging refrigerant, check for leaks.

HA-34

< ON-VEHICLE REPAIR >

HIGH-PRESSURE PIPE

HIGH-PRESSURE PIPE

Removal and Installation for High-pressure A/C Pipe

INFOID:0000000005272566

REMOVAL

1.

Remove the front right wheel and tire (VQ40DE only). Refer to 

WT-46, "Rotation"

.

2.

Remove the front right mud guard (VQ40DE only). Refer to 

EXT-24, "Removal and Installation"

.

3.

Remove the front right splash shield (VQ40DE only). Refer to 

EXT-22, "Removal and Installation of Front

Fender Protector"

.

4.

Discharge the refrigerant. Refer to 

HA-26, "HFC-134a (R-134a) Service Procedure"

.

5.

Remove the low pressure A/C pipe. Refer to 

HA-36, "Removal and Installation for Low-Pressure A/C

Pipe"

.

6.

Remove the high-pressure A/C pipe.

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.
Refer to 

HA-25, "Component"

.

CAUTION:

• Replace the O-ring of the high-pressure A/C pipe with a new one, then apply compressor oil to it for

installation.

• After charging refrigerant, check for leaks.

 

 

 

 

 

 

 

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