Nissan Pathfinder (2009 year). Instruction — part 508
ENGINE MAINTENANCE (VQ40DE)
MA-21
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2.
Remove the spark plug using a suitable tool.
CAUTION:
Do not drop or shock it.
INSPECTION AFTER REMOVAL
• Do not use a wire brush to clean the spark plug.
• If plug tip is covered with carbon, spark plug cleaner may be used.
• Checking and adjusting plug gap is not required between change
intervals.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
Do not drop or shock the spark plug.
EVAP VAPOR LINES
EVAP VAPOR LINES : Checking EVAP Vapor Line
INFOID:0000000003938606
1.
Visually inspect EVAP vapor lines for improper attachment, cracks, damage, loose connections, chafing
or deterioration.
2.
Inspect vacuum relief valve of fuel tank filler cap for clogging and sticking.
SEM294A
SMA773C
Cleaner air pressure
: Less than 588 kPa (5.9 bar, 6 kg/cm
2
, 85 psi)
Cleaning time
: Less than 20 seconds
SMA806CA
Make
NGK
Standard type
DILFR5A-11
Gap (nominal)
1.1 mm (0.043 in)
2009 Pathfinder
MA-22
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ENGINE MAINTENANCE (VQ40DE)
EC-486, "How to Detect Fuel Vapor Leakage"
2009 Pathfinder
ENGINE MAINTENANCE (VK56DE)
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ENGINE MAINTENANCE (VK56DE)
DRIVE BELTS
DRIVE BELTS : Checking Drive Belts
INFOID:0000000004353584
WARNING:
Be sure to perform when the engine is stopped.
1.
Remove air duct and resonator assembly when inspecting drive belt.
2.
Make sure that indicator (single line notch) of each auto tensioner is within the allowable working range
“A” (between three line notches) as shown.
NOTE:
• Check the drive belt auto tensioner indication when the engine is cold.
• The indicator notch is located on the moving side of the drive belt auto tensioner.
3.
Visually check entire belt for wear, damage or cracks.
4.
If the indicator is out of allowable working range or belt is damaged, replace the belt. Refer to
DRIVE BELTS : Exploded View
INFOID:0000000004353583
ENGINE COOLANT
ENGINE COOLANT : Changing Engine Coolant
INFOID:0000000003938608
WARNING:
• To avoid being scalded, never change the coolant when the engine is hot.
• Wrap a thick cloth around the cap to carefully remove the cap. First, turn the cap a quarter of a turn
to release any built-up pressure, then push down and turn the cap all the way to remove it.
DRAINING ENGINE COOLANT
1.
Turn ignition switch ON and set temperature control lever all the way to HOT position or the highest tem-
perature position. Wait 10 seconds and turn ignition switch OFF.
2.
Remove the engine front undercover using power tool.
1.
Drive belt
2.
Power steering pump pulley
3.
Generator pulley
4.
Crankshaft pulley
5.
A/C compressor
6.
Idler pulley
7.
Cooling fan pulley
8.
Water pump pulley
9.
Drive belt auto tensioner
A.
Allowable working range
LBIA0391E
2009 Pathfinder
MA-24
< ON-VEHICLE MAINTENANCE >
ENGINE MAINTENANCE (VK56DE)
3.
Open the radiator drain plug at the bottom of the radiator, and
remove the radiator filler cap. This is the only step required
when partially draining the cooling system (radiator only).
CAUTION:
Do not to allow the coolant to contact the drive belts.
4.
When draining all of the coolant in the system for engine
removal or repair, it is necessary to drain the cylinder block.
Remove the RH cylinder block drain plug to drain the right bank,
the oil cooler hose to drain the left bank as shown and the block
heater if equipped.
5.
Remove the reservoir tank to drain the engine coolant, then clean the reservoir tank before installing it.
6.
Check the drained coolant for contaminants such as rust, corrosion or discoloration.
If the coolant is contaminated, flush the engine cooling system. Refer to
.
REFILLING ENGINE COOLANT
1.
Close the radiator drain plug. Install the reservoir tank, cylinder block drain plug, the oil cooler hose and
block heater if equipped, if removed for a total system drain or for engine removal or repair.
• The radiator must be completely empty of coolant and water.
• Apply sealant to the threads of the cylinder block drain plug. Use Genuine High Performance Thread
Sealant or equivalent. Refer to
GI-26, "Recommended Chemical Products and Sealants"
.
2.
Set the vehicle heater controls to the full HOT and heater ON position. Turn the vehicle ignition ON with
the engine OFF as necessary to activate the heater mode.
3.
Remove the vented reservoir cap and replace it with a non-vented reservoir cap before filling the cooling
system.
LLIA0070E
PBIC0146E
WBIA0392E
Radiator drain plug
: Refer to
CO-45, "Removal and Installation"
.
RH cylinder block drain plug
: Refer to
EM-225, "Disassembly and Assembly"
.
2009 Pathfinder
ENGINE MAINTENANCE (VK56DE)
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4.
Install the Tool by installing the radiator cap adapter onto the
radiator neck opening. Then attach the gauge body assembly
with the refill tube and the venturi assembly to the radiator cap
adapter.
5.
Insert the refill hose into the coolant mixture container that is
placed at floor level. Make sure the ball valve is in the closed
position.
• Use recommended coolant or equivalent.
Refer to
MA-13, "Engine Oil Recommendation"
6.
Install an air hose to the venturi assembly, the air pressure must
be within specification.
CAUTION:
The compressed air supply must be equipped with an air
dryer.
7.
The vacuum gauge will begin to rise and there will be an audible hissing noise. During this process open
the ball valve on the refill hose slightly. Coolant will be visible rising in the refill hose. Once the refill hose is
full of coolant, close the ball valve. This will purge any air trapped in the refill hose.
8.
Continue to draw the vacuum until the gauge reaches 28 inches
of vacuum. The gauge may not reach 28 inches in high altitude
locations, use the vacuum specifications based on the altitude
above sea level.
9.
When the vacuum gauge has reached the specified amount, disconnect the air hose and wait 20 seconds
to see if the system loses any vacuum. If the vacuum level drops, perform any necessary repairs to the
system and repeat steps 6 - 8 to bring the vacuum to the specified amount. Recheck for any leaks.
10. Place the coolant container (with the refill hose inserted) at the same level as the top of the radiator. Then
open the ball valve on the refill hose so the coolant will be drawn up to fill the cooling system. The cooling
system is full when the vacuum gauge reads zero.
CAUTION:
Do not allow the coolant container to get too low when filling, to avoid air from being drawn into
the cooling system.
11. Remove the Tool from the radiator neck opening and install the radiator cap.
12. Remove the non-vented reservoir cap.
13. Fill the cooling system reservoir tank to the specified level. Run the engine to warm up the cooling system
and top up the system as necessary before installing the vented reservoir cap.
FLUSHING COOLING SYSTEM
1.
Drain the water from the engine cooling system. Refer to
CO-12, "Changing Engine Coolant"
.
2.
Fill the radiator and the reservoir tank (to the “MAX” line), with water. Reinstall the radiator cap and leave
the vented reservoir cap off.
Tool number
: KV991J0070 (J-45695)
Cooling system capacity
(with reservoir)
: Refer to
Compressed air
supply pressure
: 5.7 - 8.5 kPa (5.6 - 8.4 kg/cm
2
,
80 - 120 psi)
LLIA0058E
Altitude above sea level
Vacuum gauge reading
0 - 100 m (328 ft)
: 28 inches of vacuum
300 m (984 ft)
: 27 inches of vacuum
500 m (1,641 ft)
: 26 inches of vacuum
1,000 m (3,281 ft)
: 24 - 25 inches of vacuum
LLIA0057E
2009 Pathfinder
MA-26
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ENGINE MAINTENANCE (VK56DE)
3.
Run the engine until it reaches normal operating temperature.
4.
Press the engine accelerator two or three times under no-load.
5.
Stop the engine and wait until it cools down.
6.
Drain the water from the engine cooling system. Refer to
CO-12, "Changing Engine Coolant"
.
7.
Repeat steps 2 through 6 until clear water begins to drain from the radiator.
FUEL LINES
FUEL LINES : Checking Fuel Line
INFOID:0000000004353591
Inspect fuel lines, fuel filler cap and fuel tank for improper attach-
ment, leaks, cracks, damage, loose connections, chafing or deterio-
ration.
If necessary, repair or replace damaged parts.
FUEL FILTER
FUEL FILTER : Changing Fuel Filter
INFOID:0000000003938610
The fuel filter is part of the fuel level sensor unit, fuel filter and fuel pump assembly. Refer to
.
WARNING:
Before replacing the fuel filter, release the fuel pressure from the fuel system. Refer to
.
AIR CLEANER FILTER
AIR CLEANER FILTER : Exploded View
INFOID:0000000004353585
AIR CLEANER FILTER : Removal and Installation
INFOID:0000000004353586
REMOVAL
SMA803A
1.
Air cleaner case (lower)
2.
Air cleaner filter
3.
Air cleaner case (upper)
4.
Air duct and resonator assembly
⇐
Front
ALBIA0413GB
2009 Pathfinder
ENGINE MAINTENANCE (VK56DE)
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NOTE:
• The viscous paper type filter does not need cleaning between replacement intervals.
• Replace the air filter as necessary for periodic maintenance. Refer to
MA-7, "Introduction of Periodic Mainte-
.
1.
Unhook clips, and lift air cleaner case (upper).
2.
Remove the air cleaner filter.
INSTALLATION
1.
Installation is in the reverse order of removal.
ENGINE OIL
ENGINE OIL : Changing Engine Oil
INFOID:0000000004353589
WARNING:
• Be careful not to burn yourself, as the engine and engine oil may be hot.
• Prolonged and repeated contact with used engine oil may cause skin cancer; try to avoid direct skin
contact with used oil. If skin contact is made, wash thoroughly with soap or hand cleaner as soon as
possible.
1.
Warm up the engine, and check for any oil leaks.
2.
Stop the engine and wait for at least 10 minutes.
3.
Remove the oil drain plug and oil filler cap to drain the old oil.
4.
Install a new washer on the oil drain plug, then install the oil drain plug in the oil pan.
CAUTION:
Clean the drain plug and install with a new washer.
5.
Refill the engine with new specified engine oil.
CAUTION:
The refill capacity depends on the oil temperature and drain time. Use the “Refill oil capacity” val-
ues as a reference and check the oil level using the dipstick when filling the engine with oil.
6.
Warm up the engine and check the area around the drain plug and oil filter for any oil leaks.
7.
Stop the engine and wait for more than 10 minutes.
8.
Check the oil level using the dipstick as shown. Add oil as nec-
essary and install the oil filler cap. Refer to
.
CAUTION:
Do not overfill the engine with oil.
OIL FILTER
OIL FILTER : Removal and Installation
INFOID:0000000004353590
REMOVAL
1.
Remove the engine front undercover access plate using power tool.
Oil drain plug
: Refer to
EM-175, "Removal and Installation"
Oil grade and viscosity
: Refer to
MA-12, "Fluids and Lubricants"
.
Oil capacity
: Refer to
MA-12, "Fluids and Lubricants"
.
SMA954C
2009 Pathfinder
MA-28
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ENGINE MAINTENANCE (VK56DE)
2.
Remove the oil filter using Tool as shown.
WARNING:
Be careful not to burn yourself, as the engine and engine oil
may be hot.
CAUTION:
• The oil filter is equipped with a pressure relief valve.
• Use Genuine NISSAN oil filter or equivalent.
• When removing, prepare a shop cloth to absorb any
engine oil leaks or spills.
• Do not allow engine oil to adhere to the drive belts.
• Completely wipe off any engine oil that adheres to the engine and the vehicle.
INSTALLATION
1.
Remove foreign materials adhering to the oil filter seal mating surface.
2.
Apply clean engine oil to the oil filter seal circumference of the
new oil filter as shown.
3.
Screw on the oil filter instructionly until it touches the installation
surface, then tighten it by 2/3 turn as shown. Or tighten to speci-
fication.
4.
Inspect the engine for oil leaks. Refer to
MA-27, "OIL FILTER : Removal and Installation"
5.
Install the engine front undercover access plate using power tool.
INSPECTION AFTER INSTALLATION
1.
Check the engine oil level. Refer to
.
2.
Start the engine and check for engine oil leaks.
3.
Stop the engine and wait for 10 minutes.
4.
Check the engine oil level and add engine oil as required.
SPARK PLUG
Tool number
: KV10115801 (J-38956)
WBIA0388E
SMA010
Oil filter
: 17.7 N·m (1.8 kg-m, 13 ft-lb)
SMA229B
2009 Pathfinder
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