Nissan Murano. Manual - part 800

HA-36

< REMOVAL AND INSTALLATION >

REFRIGERATION SYSTEM

*1

HA-25, "Maintenance of Lubricant 
Quantity"

*2

HA-29, "Refrigerant Leakages"

.

*3

HA-31, "Inspection"

.

*4

HA-28, "Inspection"

.

*5

HA-13, "Working with HFC-134a (R-
134a)"

.

JSIIA0607GB

COMPRESSOR

HA-37

< REMOVAL AND INSTALLATION >

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COMPRESSOR

Exploded View

INFOID:0000000009718638

REMOVAL

DISASSEMBLY

COMPRESSOR

COMPRESSOR : Removal and Installation

INFOID:0000000009718639

REMOVAL

1.

Use refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.

1.

Compressor

: N·m (kg-m, ft-lb)

JPIIA1256GB

1.

Clutch disc

2.

Shim

3.

Snap ring

4.

Pulley assembly

5.

Field coil

6.

Compressor unit

: N·m (kg-m, ft-lb)

: N·m (kg-m, in-lb)

JMIIA0906GB

HA-38

< REMOVAL AND INSTALLATION >

COMPRESSOR

2.

Remove front under cover. Refer to 

EXT-29, "Exploded View"

. 

3.

Remove splash guard. Refer to 

EXT-26, "FENDER PROTECTOR : Exploded View"

. 

4.

Remove drive belt. Refer to 

EM-17, "Exploded View"

. 

5.

Remove mounting bolt (A) and then disconnect low-pressure
flexible hose (1) from compressor. 

CAUTION:

Cap or wrap the joint of the A/C piping and compressor with
suitable material such as vinyl tape to avoid the entry of air.

6.

Remove mounting bolt (B) and then disconnect high-pressure
flexible hose (2) from compressor. 

CAUTION:

Cap or wrap the joint of the A/C piping and compressor with
suitable material such as vinyl tape to avoid the entry of air.

7.

Remove connector (A) and the harness clip (B) of the magnet
clutch. 

8.

Remove mounting bolts (A) and then move oil cooler to a position where it dose not get inhibit work. 

9.

Remove mounting bolts (B) and then remove compressor (1) from the lower side of the vehicle. 

INSTALLATION

Note the following items and then install in the reverse order of removal.

CAUTION:

• Replace O-rings with new ones. Then apply compressor oil to them when installing.
• Check for leakages when recharging refrigerant.
• Check tension of the drive belt after installing compressor. Refer to 

EM-17, "Checking"

.

MAGNET CLUTCH

MAGNET CLUTCH : Removal and Installation

INFOID:0000000009718640

REMOVAL

Overhaul

1.

Fix clutch disc.

2.

Remove center bolt, and then remove clutch disc.

3.

Remove snap ring using external snap ring pliers.

4.

Position center pulley puller on the end of the drive shaft, and remove pulley assembly using any commer-
cially available pulley puller.

JPIIA0529ZZ

JPIIA0530ZZ

JPIIA0531ZZ

COMPRESSOR

HA-39

< REMOVAL AND INSTALLATION >

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To prevent pulley groove from being deformed, puller claws should be positioned into the edge of the pul-
ley assembly.

5.

Disconnect field coil harness connector from compressor unit.

6.

Remove screws and then remove field coil.

INSTALLATION

1.

Install field coil (1).
Be sure to align the coil’s pin (2) with the hole in the compres-
sor’s front head.

2.

Connect field coil harness connector to compressor unit.

3.

Install pulley assembly (1) using pulley installer (SST: J-41260)
(A) and a hand press and then install snap ring (2) using snap
ring pliers.

4.

Install clutch disc on drive shaft, together with original shim(s). Press clutch disc down by hand.

5.

Tighten center bolt to the specified torque while fixing clutch disc not to rotate.
After tightening the bolt, check that the pulley rotates smoothly.

Break-in Operation

When replacing compressor clutch assembly, always perform the break-in operation, by engaging and disen-
gaging the clutch approximately 30-times. Break-in operation increases the level of transmitted torque.

Inspection

INFOID:0000000009718641

Measurement of clearance between clutch disc and pulley 

Measure the clearance (B) between the pulley (1) and the circumfer-
ence of the clutch disc (2) using a feeler gauge (A). 

CAUTION:

Replace compressor if specified clearance is not obtained,
replace adjusting spacer and readjust.

JMIIA0575ZZ

JMIIA0576ZZ

Clearance

: Refer to 

HA-62, "Compressor"

.

SJIA1918E