Nissan Pathfinder (2009 year). Instruction — part 143
CO-52
< ON-VEHICLE REPAIR >
[VK56DE]
WATER PUMP
WATER PUMP
Exploded View
INFOID:0000000003939420
Removal and Installation
INFOID:0000000003939421
CAUTION:
• When removing water pump, be careful not to get engine coolant on drive belt.
• Water pump cannot be disassembled and should be replaced as a unit.
• After installing water pump, connect hoses and clamps securely, then check for leaks.
REMOVAL
1.
Remove air dam using power tool.
2.
Remove engine front undercover using power tool.
3.
Remove the air duct and resonator assembly. Refer to
EM-167, "Removal and Installation"
4.
Remove drive belt. Refer to
EM-155, "Removal and Installation"
5.
Drain engine coolant so that no engine coolant comes out from water pump fitting hole. Refer to
.
CAUTION:
• Perform when the engine is cold.
• Do not spill engine coolant on drive belt.
6.
Remove reservoir tank hose from radiator shroud (upper).
7.
Remove reservoir tank hose from engine.
8.
Remove radiator hose (upper) from radiator.
CAUTION:
Do not spill engine coolant on drive belt.
9.
Remove the radiator shroud (lower) and position aside.
• Release the tabs, pull radiator shroud (lower) rearwards and
down to remove.
KBIA2543E
1.
Gasket
2.
Water pump
3.
Water pump pulley
WBIA0407E
2009 Pathfinder
WATER PUMP
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10. Remove the radiator shroud (upper) bolts and remove the radia-
tor shroud (upper) (A).
11. Remove the engine cooling fan (crankshaft driven type). Refer to
CO-49, "Removal and Installation
12. Remove the water pump pulley.
13. Remove the water pump.
• Engine coolant will leak from the cylinder block, so have a receptacle ready below.
CAUTION:
Handle water pump vane so that it does not contact any other parts.
INSPECTION AFTER REMOVAL
• Visually check that there is no significant dirt or rust on the water
pump body and vane.
• Make sure there is no looseness in the vane shaft, and that it turns
smoothly when rotated by hand.
• Replace the water pump, if necessary.
INSTALLATION
Installation is in the reverse order of removal.
• After installation bleed the air from the cooling system. Refer to
CO-41, "Changing Engine Coolant"
.
INSPECTION AFTER INSTALLATION
• Check for leaks of engine coolant. Refer to
.
• Start and warm up engine. Visually check for leaks of engine coolant.
WBIA0695E
KBIA2552E
2009 Pathfinder
CO-54
< ON-VEHICLE REPAIR >
[VK56DE]
THERMOSTAT AND WATER PIPING
THERMOSTAT AND WATER PIPING
Exploded View
INFOID:0000000003939422
Removal and Installation
INFOID:0000000003939423
REMOVAL
Removal of Thermostat
1.
Drain engine coolant from the radiator. Refer to
CO-41, "Changing Engine Coolant"
CAUTION:
Perform when engine is cold.
2.
Remove the air duct and resonator assembly. Refer to
EM-167, "Removal and Installation"
3.
Remove the engine room cover using power tool.
4.
Disconnect the water suction hose from the water inlet.
5.
Remove the water inlet and thermostat.
Removal of Thermostat Housing, Water Outlet and Heater Pipe
1.
Remove the intake manifold. Refer to
EM-168, "Removal and Installation"
2.
Remove the thermostat housing, water outlet and heater pipe.
INSPECTION AFTER REMOVAL
1.
Check valve seating condition at ordinary room temperature. It should seat tightly.
KBIA2501E
1.
Heater pipe
2.
Gasket
3.
Water outlet
4.
Gasket
5.
O-ring
6.
O-ring
7.
Thermostat housing
8.
Rubber ring
9.
Thermostat
10.
Water inlet
11.
Water suction hose
12.
Water suction pipe
13.
Gasket
14.
Heater pipe
2009 Pathfinder
THERMOSTAT AND WATER PIPING
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2.
Check valve operation.
• Place a thread so that it is caught in the valve of the thermo-
stat. Immerse fully in a container filled with water. Heat while
stirring.
• The valve opening temperature is the temperature at which
the valve opens and falls from the thread.
• Continue heating. Check the full-open lift amount.
• After checking the full-open lift amount, lower the water tem-
perature and check the valve closing temperature.
• If valve seating at ordinary room temperature, or measured values are out of standard, replace the thermo-
stat.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
Do not spill engine coolant in engine room. Use a rag to absorb engine coolant.
Installation of Thermostat
• Install the thermostat with the whole circumference of each flange
part fit securely inside the rubber ring as shown.
• Install the thermostat with the jiggle valve facing upwards.
Installation of Water Outlet Pipe and Heater Pipe
First apply a neutral detergent to the O-rings, then quickly insert the insertion parts of the water outlet pipe and
heater pipe into the installation holes.
INSPECTION AFTER INSTALLATION
• Check for leaks of engine coolant. Refer to
.
• Start and warm up the engine. Visually check for leaks of engine coolant.
SLC252B
Thermostat
Standard
Valve opening temperature
80 - 84
°
C (176 - 183
°
F)
Full-open lift amount
More than 10 mm/ 95
°
C (0.39 in/ 203
°
F)
Valve closing temperature
77
°
C (171
°
F) or higher
KBIA2502E
2009 Pathfinder
CO-56
< SERVICE DATA AND SPECIFICATIONS (SDS)
[VK56DE]
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Standard and Limit
INFOID:0000000003939424
ENGINE COOLANT CAPACITY (APPROXIMATE)
Unit:
(US qt, Imp qt)
RADIATOR
Unit: kPa (kg/cm
2
, psi)
THERMOSTAT
Engine coolant capacity (With reservoir tank at "MAX" level)
13.4 (14-1/8, 11-3/4)
Reservoir cap relief pressure
Standard
95 - 125 (0.97- 1.28, 14 - 18)
Leakage test pressure
137 (1.4, 20)
Valve opening temperature
80 - 84
°
C (176 - 183
°
F)
Full-open lift amount
More than 10 mm/95
°
C (0.39 in/203
°
F)
Valve closing temperature
77
°
C (171
°
F) or higher
2009 Pathfinder
DEF-1
DRIVER CONTROLS
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SECTION
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CONTENTS
DEFOGGER
BASIC INSPECTION . . . . . . . . .
DIAGNOSIS AND REPAIR WORKFLOW . . ..
Repair Work Flow . . . . . . . . . . . . . ..
FUNCTION DIAGNOSIS . . . . . . . ...
REAR WINDOW DEFOGGER SYSTEM . . . .
System Diagram . . . . . . . . . . . . . ....
System Description . . . . . . . . . . . . ...
Component Parts Location . . . . . . . . . ....
Component Description . . . . . . . . . . .....
DIAGNOSIS SYSTEM (BCM) . . . . . . . .
COMMON ITEM . . . . . . . . . . . . . . ...
COMMON ITEM : CONSULT-III Function (BCM -
COMMON ITEM) . . . . . . . . . . . . . ...
REAR WINDOW DEFOGGER . . . . . . . . .....
REAR WINDOW DEFOGGER : CONSULT-III
Function (BCM - REAR DEFOGGER) . . . . . ..
COMPONENT DIAGNOSIS . . . . . . ..
REAR WINDOW DEFOGGER SWITCH . . . .
Description . . . . . . . . . . . . . . . ....
Component Function Check . . . . . . . . . ..
Diagnosis Procedure A/C and AV Switch Assem-
bly . . . . . . . . . . . . . . . . . . . ..
Diagnosis Procedure Front Air Control . . . . .....
REAR WINDOW DEFOGGER RELAY . . . ..
Description . . . . . . . . . . . . . . . ..
Component Function Check . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
REAR WINDOW DEFOGGER POWER SUP-
PLY AND GROUND CIRCUIT . . . . . . .
Description . . . . . . . . . . . . . . . ..
Component Function Check . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
Component Inspection . . . . . . . . . . .
DOOR MIRROR DEFOGGER LH . . . . . .
Description . . . . . . . . . . . . . . . ...
Component Function Check . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
Component Inspection . . . . . . . . . . . .
DOOR MIRROR DEFOGGER RH . . . . . .
Description . . . . . . . . . . . . . . . ...
Component Function Check . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
Component Inspection . . . . . . . . . . . .
ECU DIAGNOSIS . . . . . . . . . . .
BCM (BODY CONTROL MODULE) . . . . .
Reference Value . . . . . . . . . . . . . ..
Terminal Layout . . . . . . . . . . . . . ...
Physical Values . . . . . . . . . . . . . ...
Wiring Diagram . . . . . . . . . . . . . .
SYMPTOM DIAGNOSIS . . . . . . . ..
REAR WINDOW DEFOGGER AND DOOR
MIRROR DEFOGGER DO NOT OPERATE. .
Diagnosis Procedure . . . . . . . . . . . ...
REAR WINDOW DEFOGGER DOES NOT
OPERATE BUT BOTH OF DOOR MIRROR
DEFOGGER OPERATE. . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
DRIVER SIDE DOOR MIRROR DEFOGGER
DOES NOT OPERATE. . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
PASSENGER SIDE DOOR MIRROR DEFOG-
GER DOES NOT OPERATE. . . . . . . .
2009 Pathfinder
DEF-2
Diagnosis Procedure . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ..
PRECAUTION . . . . . . . . . . . .
PRECAUTIONS . . . . . . . . . . . . .
Handling for Adhesive and Primer . . . . . . ..
ON-VEHICLE REPAIR . . . . . . . ...
REAR WINDOW DEFOGGER . . . . . . ...
Filament Check . . . . . . . . . . . . . ...
Filament Repair . . . . . . . . . . . . . ...
2009 Pathfinder
DIAGNOSIS AND REPAIR WORKFLOW
DEF-3
< BASIC INSPECTION >
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BASIC INSPECTION
DIAGNOSIS AND REPAIR WORKFLOW
Repair Work Flow
INFOID:0000000003935811
DETAILED FLOW
1.
LISTEN TO CUSTOMER COMPLAINT
Listen to customer complaint. Get detailed information about the conditions and environment when the symp-
tom occurs.
>> GO TO 2
2.
VERIFY THE SYMPTOM WITH OPERATIONAL CHECK
Verify the symptom with operational check.
>> GO TO 3
3.
GO TO APPROPRIATE TROUBLE DIAGNOSIS
Go to appropriate trouble diagnosis.
>> GO TO 4
4.
REPAIR OR REPLACE
Repair or replace the specific parts.
>> GO TO 5
5.
FINAL CHECK
Final check.
Is inspection result normal?
YES
>> Inspection End
NO
>> Refer to
GI-49, "Intermittent Incident"
.
2009 Pathfinder
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