Nissan Pathfinder (2008 year). Manual — part 429
REFRIGERATION SYSTEM
HA-35
< ON-VEHICLE REPAIR >
C
D
E
F
G
H
J
K
L
M
A
B
HA
N
O
P
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
< ON-VEHICLE REPAIR >
C
D
E
F
G
H
J
K
L
M
A
B
HA
N
O
P
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
REFRIGERATION SYSTEM
HA-39
< ON-VEHICLE REPAIR >
C
D
E
F
G
H
J
K
L
M
A
B
HA
N
O
P
*1
.
*3
HA-29, "Checking of Refrigerant
Leaks"
.
*5
HA-3, "Contaminated Refrigerant"
*2
HA-29, "Checking of Refrigerant
Leaks"
.
*4
HAC-21, "CONSULT-III Function
(HVAC)"
.
WJIA1923E
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
< ON-VEHICLE REPAIR >
C
D
E
F
G
H
J
K
L
M
A
B
HA
N
O
P
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
.
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),
25, "Removal and Installation"
8.
Remove the drive belt. Refer to
EM-153, "Removal and Installation"
(VK56DE),
(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
.
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
< ON-VEHICLE REPAIR >
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
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст