Nissan Frontier. Instruction — part 858
HA-24
< REMOVAL AND INSTALLATION >
REFRIGERATION SYSTEM
NOTE:
HA-4, "Precaution for Refrigerant Connection"
1.
High-pressure service valve
2.
Clip
3.
High-pressure A/C pipe
4.
Refrigerant pressure sensor
5.
Condenser
6.
Compressor shaft seal
7.
High-pressure flexible A/C hose
8.
Low-pressure flexible A/C hose
9.
Low-pressure service valve
10. Low-pressure A/C pipe
11. Expansion valve
12. A/C drain hose
Front
COMPRESSOR
HA-25
< REMOVAL AND INSTALLATION >
C
D
E
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COMPRESSOR
Removal and Installation for Compressor
INFOID:0000000009478589
COMPONENTS
A/C Compressor Mounting - QR25DE
WJIA1277E
1.
Compressor
2.
Compressor idler bracket
HA-26
< REMOVAL AND INSTALLATION >
COMPRESSOR
A/C Compressor Mounting - VQ40DE
REMOVAL
1. Discharge the A/C refrigerant. Refer to
HA-14, "HFC-134a (R-134a) Service Procedure"
2. Remove the front left wheel and tire (for VQ40DE only). Refer to
3. Remove the front left fender protector (for VQ40DE only). Refer to
EXT-27, "Removal and Installation of
.
4. Remove the engine cover (for VQ40DE only). Refer to
EM-140, "Removal and Installation"
.
5. Remove the drive belt. Refer to
EM-14, "Removal and Installation"
(QR25DE),
(VQ40DE).
6. Disconnect the harness connector from the compressor.
7. Disconnect both the high-pressure flexible A/C hose and low-pressure flexible A/C hose from the com-
pressor.
CAUTION:
Cap or wrap the joint of the pipe with suitable material such as vinyl tape to avoid the entry of air.
8. Remove the A/C compressor bolts using power tools.
NOTE:
For the QR25DE engine, the upper compressor bolt is longer than the other compressor bolts and can
only be removed by repositioning the compressor after all the bolts have been loosened.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
• Do not reuse O-rings.
• Apply A/C oil to the O-ring of the low-pressure flexible A/C hose and high-pressure flexible A/C hose
for installation.
• After recharging the A/C system with refrigerant, check for leaks. Refer to
.
NOTE:
For the QR25DE engine, the upper compressor bolt is longer than the other compressor bolts and must be
installed in the compressor before positioning the compressor for installation.
LJIA0176E
1.
Compressor
2.
Front timing chain case
3.
Rear timing chain case
4.
Cylinder block
COMPRESSOR
HA-27
< REMOVAL AND INSTALLATION >
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Removal and Installation for Compressor Clutch
INFOID:0000000009478590
Magnet Clutch Assembly
NOTE:
Illustrations for removal and installation are shown with the compressor out of the vehicle for clarity.
REMOVAL
1. Remove the engine room cover (VQ40DE only). Refer to
EM-140, "Removal and Installation"
.
2. Remove the cooling fan. Refer to
CO-19, "Removal and Installation (Crankshaft driven type)"
(QR25DE),
CO-47, "Removal and Installation (Crankshaft driven type)"
(VQ40DE).
3. Remove the center bolt while holding the clutch disc stationary
using Tool as shown.
4. Remove the clutch disc and shims.
CAUTION:
Retain the shims for installation.
5. Remove the snap ring using a suitable tool.
AWIIA1284GB
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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