Nissan Pathfinder (2007 year). Manual — part 64
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2007 Pathfinder
Removal and Installation for Compressor Clutch
EJS004Q9
Magnet Clutch Assembly
REMOVAL
1.
Remove the compressor. Refer to
ATC-162, "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
ATC-164
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2007 Pathfinder
5.
Remove the pulley using Tool with a small adapter. Position the
small adapter on the end of the drive shaft and the center of the
puller on the small adapter.
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 harness clip using a screwdriver,
remove the three magnet coil fixing screws and remove the
magnet coil.
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.
INSTALLATION
1.
Install the magnet coil.
CAUTION:
Be sure to align the magnet coil pin with the hole in the
compressor front head.
Tool number
: KV99233130 (J-29884)
WJIA1017E
WHA212
WHA183
WHA213
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2007 Pathfinder
2.
Install the magnet coil harness clip using a screwdriver.
3.
Install the pulley assembly using Tool and a wrench, then install
the snap ring using snap ring pliers.
4.
Install the clutch disc on the compressor shaft, together with the
original shim(s). Press the clutch disc down by hand.
5.
Install the clutch pulley bolt using Tool, to prevent the clutch disc
from turning and tighten the bolt to specification. Refer to
CAUTION:
After tightening the clutch pulley bolt, check that the clutch
pulley rotates smoothly.
6.
Check the pulley clearance all the way around the clutch disc as
shown.
7.
If the specified clearance is not obtained, replace the adjusting
spacer to readjust.
8.
Install the compressor. Refer to
Tool number
:
—
(J-38873-A)
WJIA1016E
WHA184
Tool number
: J-44614
WHA229
Clutch disc-to-pulley clearance
: 0.3 - 0.6 mm
(0.012 - 0.024 in)
WHA194
ATC-166
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2007 Pathfinder
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.
Removal and Installation for Front High-pressure Flexible A/C Hose
EJS004QA
REMOVAL
1.
Remove the front left wheel and tire assembly. Refer to
2.
Remove the front left mud guard.
3.
Remove the front left splash shield.
4.
Discharge the refrigerant. Refer to
ATC-158, "HFC-134a (R-134a) Service Procedure"
5.
Remove the front high-pressure flexible A/C hose. Refer to
.
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
CAUTION:
●
Replace the O-ring of the front high-pressure flexible A/C hose with a new one, then apply com-
pressor oil to it for installation.
●
After charging refrigerant, check for leaks.
Removal and Installation for Front High-pressure A/C Pipe
EJS004QB
REMOVAL
1.
Remove the front right wheel and tire assembly. Refer to
2.
Remove the front right mud guard.
3.
Remove the front right splash shield.
4.
Discharge the refrigerant. Refer to
ATC-158, "HFC-134a (R-134a) Service Procedure"
5.
Remove the front low pressure A/C pipe. Refer to
ATC-167, "Removal and Installation for Front Low-pres-
.
6.
Remove the front high-pressure A/C pipe. Refer to
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
CAUTION:
●
Replace the O-ring of the front high-pressure A/C pipe with a new one, then apply compressor oil
to it for installation.
●
After charging refrigerant, check for leaks.
Removal and Installation for Front Low-pressure Flexible A/C Hose
EJS004QC
REMOVAL
1.
Remove the front right wheel and tire assembly. Refer to
2.
Remove the front right mud guard.
3.
Remove the front right splash shield.
4.
Discharge the refrigerant. Refer to
ATC-158, "HFC-134a (R-134a) Service Procedure"
CAUTION:
Cap or wrap the joint of the pipe with suitable material such as vinyl tape to avoid the entry of air.
5.
Remove the front low-pressure flexible A/C hose. Refer to
.
INSTALLATION
Installation is in the reverse order of removal.
Refer to
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2007 Pathfinder
CAUTION:
●
Replace the O-ring of the front low-pressure flexible A/C hose with a new one, then apply com-
pressor oil to it for installation.
●
After charging refrigerant, check for leaks.
Removal and Installation for Front Low-pressure A/C Pipe
EJS004QD
REMOVAL
1.
Discharge the refrigerant. Refer to
ATC-158, "HFC-134a (R-134a) Service Procedure"
.
2.
Disconnect the heater pump connector.
3.
Remove the heater pump from the bracket and reposition out of the way. Do not disconnect the heater
hoses from the heater pump.
4.
Remove the front low-pressure A/C pipe. Refer to
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
CAUTION:
●
Replace the O-ring of the front low-pressure A/C pipe with a new one, then apply compressor oil to
it for installation.
●
After charging refrigerant, check for leaks.
Removal and Installation for Rear High- and Low-pressure A/C Pipes
EJS004QE
REMOVAL
1.
Discharge the refrigerant. Refer to
ATC-158, "HFC-134a (R-134a) Service Procedure"
.
2.
Remove the luggage side lower finisher RH. Refer to
.
3.
Remove the rear high- and low-pressure A/C pipes. Refer to
.
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
CAUTION:
●
Replace the O-ring of the rear high- and low-pressure A/C pipes with a new one, then apply com-
pressor oil to it for installation.
●
After charging refrigerant, check for leaks.
Removal and Installation for Underfloor Rear High- and Low-pressure A/C and
Heater Core Pipes
EJS004QF
REMOVAL
1.
Release the fuel pressure. Refer to
EC-79, "FUEL PRESSURE RELEASE"
2.
Drain the engine coolant. Refer to
CO-10, "Changing Engine Coolant"
.
3.
Disconnect the negative battery terminal.
4.
Discharge the refrigerant. Refer to
ATC-158, "HFC-134a (R-134a) Service Procedure"
.
5.
Remove the rear bumper. Refer to
.
6.
Disconnect the fuel filler pipe and vent pipe from the lower fuel filler hose and fuel tank.
7.
Remove the front fender protector. Refer to
EI-21, "Removal and Installation of Front Fender Protector"
8.
Disconnect the chassis harness connector.
9.
Remove the front and rear RH wheels and tires. Refer to
WT-6, "WHEEL AND TIRE ASSEMBLY"
10. Disconnect the fuel feed hose quick connectors. Disconnect the quick connectors as follows:
●
Hold the sides of the connector, push in the tabs and pull out the tube.
●
If the connector and the tube are stuck together, push and pull several times until they start to move.
Then disconnect them by pulling.
ATC-168
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2007 Pathfinder
CAUTION:
●
The quick connector can be disconnected when the tabs
are completely depressed. Do not twist the quick connec-
tor more than necessary.
●
Do not use any tools to disconnect the quick connector.
●
Keep the resin tube away from heat. Be especially careful
when welding near the tube.
●
Prevent any acid liquids such as battery electrolyte, from
getting on the resin tube.
●
Do not bend or twist the resin tube during connection.
●
Do not remove the remaining retainer on the hard tube (or
the equivalent) except when the resin tube or the retainer
is replaced.
●
When the resin tube or hard tube, or the equivalent, is
replaced, also replace the retainer with a new one (semi-
transparent colored retainer).
●
To keep the quick connector clean and to avoid damage
and contamination from foreign materials, cover the
quick connector with plastic bags or suitable material as
shown.
11. Disconnect the frame mounted brake tubes from the brake system. Refer to
.
12. Remove the upper radiator mounting plates. Refer to
.
13. Disconnect the A/C lines ground strap.
14. Disconnect the exhaust system ground strap. Refer to
.
15. Disconnect each end of the underfloor rear high- and low-pressure A/C and heater core pipes. Refer to
CAUTION:
Cap or wrap the joint of the pipes with suitable material such as vinyl tape to avoid the entry of air.
16. Remove the front floor heat shield.
17. Remove the heater pipe heat shield.
18. Disconnect the steering column from the power steering gear. Refer to
19. Set four suitable jacks at the body mount points to support the vehicle body when it is separated from the
frame.
20. Remove the body mount bolts. Refer to
21. Use the vehicle hoist to lower the frame from the body [approximately 457 mm (18 in)] until there is suffi-
cient clearance for the underfloor rear high- and low-pressure A/C and heater core pipes from the body.
22. Remove the underfloor rear high- and low-pressure A/C and heater core pipes.
PBIC1268E
PBIC0163E
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ATC
2007 Pathfinder
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
●
Replace the O-ring of the underfloor rear high- and low-pressure A/C and heater core pipes with a
new one, then apply compressor oil to it for installation.
●
After charging refrigerant, check for leaks.
●
Bleed the brake system. Refer to
BR-12, "Bleeding Brake System"
Removal and Installation for Refrigerant Pressure Sensor
EJS004QG
REMOVAL
1.
Discharge the refrigerant. Refer to
ATC-158, "HFC-134a (R-134a) Service Procedure"
.
2.
Disconnect the refrigerant pressure sensor harness connector
and remove the refrigerant pressure sensor from the condenser.
CAUTION:
Be careful not to damage the condenser fins.
INSTALLATION
Installation is in the reverse order of removal.
Refer to
CAUTION:
●
Be careful not to damage the condenser fins.
●
Replace the O-ring of the refrigerant pressure sensor with a new one, then apply compressor oil to
it for installation.
●
After charging refrigerant, check for leaks.
Removal and Installation for Condenser
EJS004QH
REMOVAL
1.
Discharge the refrigerant. Refer to
ATC-158, "HFC-134a (R-134a) Service Procedure"
.
2.
Remove the radiator. Refer to
CAUTION:
Be careful not to damage the core surface of the condenser and the radiator.
3.
Disconnect the front high-pressure flexible A/C hose and the front high-pressure A/C pipe from the con-
denser.
CAUTION:
Cap or wrap the joint of the pipes with suitable material such as vinyl tape to avoid the entry of air.
4.
Disconnect the refrigerant pressure sensor harness connector.
5.
Remove the refrigerant pressure sensor from the condenser.
6.
Lift the condenser out of the mounting grommets and remove
the condenser.
INSTALLATION
Installation is in the reverse order of removal.
Refer to
LJIA0177E
LJIA0177E
ATC-170
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2007 Pathfinder
CAUTION:
●
Replace the O-rings of the front high-pressure A/C pipe, refrigerant pressure sensor, and front
high-pressure flexible A/C hose with new ones, then apply compressor oil to them for installation.
●
After charging refrigerant, check for leaks.
●
Replace the mounting grommets as necessary.
Removal and Installation for Front Evaporator
EJS004QI
Front Heater and Cooling Unit Assembly
LJIA0178E
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