Nissan Murano. Manual — part 800
HA-36
< REMOVAL AND INSTALLATION >
REFRIGERATION SYSTEM
*1
HA-25, "Maintenance of Lubricant
Quantity"
*2
*3
.
*4
*5
HA-13, "Working with HFC-134a (R-
134a)"
.
JSIIA0607GB
COMPRESSOR
HA-37
< REMOVAL AND INSTALLATION >
C
D
E
F
G
H
J
K
L
M
A
B
HA
N
O
P
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
.
3.
Remove splash guard. Refer to
EXT-26, "FENDER PROTECTOR : Exploded View"
4.
Remove drive belt. Refer to
.
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
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 >
C
D
E
F
G
H
J
K
L
M
A
B
HA
N
O
P
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
SJIA1918E
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