Nissan Pathfinder (2011 year). Instruction — part 488
MA-28
< PERIODIC MAINTENANCE >
ENGINE MAINTENANCE (VQ40DE)
AIR CLEANER FILTER : Exploded View
INFOID:0000000006827549
AIR CLEANER FILTER : Removal and Installation
INFOID:0000000006827550
REMOVAL
1. Disconnect air duct and resonator from the air cleaner case (upper).
2. Disconnect MAF/IAT sensor.
3. Unhook clips, and lift air cleaner case (upper).
4. Remove air cleaner filter.
INSTALLATION
Installation is in the reverse order of removal.
ENGINE OIL
ENGINE OIL : Inspection
INFOID:0000000006827551
OIL LEVEL
• Before starting the engine make sure the vehicle is parked on a flat
and level surface, then check the oil level. If the engine is already
running, turn it off and allow 10 minutes before checking.
• Pull out oil level gauge and wipe clean.
• Insert oil level gauge.
• Check that the oil level is within the low (L) and high (H) range as
indicated on the dipstick.
• If the engine oil level is out of range, add oil as necessary.
MA-18, "FOR USA AND CANADA : Fluids and Lubricants"
(United States and Canada),
MA-20, "FOR MEXICO : Fluids and
CAUTION:
Do not overfill the engine with oil.
ENGINE OIL : Changing Engine Oil
INFOID:0000000006827552
WARNING:
• Be careful not to burn yourself, as the engine and engine oil may be hot.
1.
Air cleaner case (lower)
2.
Air cleaner filter
3.
Air cleaner case (upper)
4.
Air duct and resonator
Front
AWBIA0133GB
PBIC2823E
2011 Pathfinder
ENGINE MAINTENANCE (VQ40DE)
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• 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.
• Do not reuse copper sealing 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:0000000006827553
REMOVAL
1. Remove the engine front under cover access cover.
2. Drain engine oil. Refer to
MA-28, "ENGINE OIL : Changing Engine Oil"
.
3. 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:
• 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 drive belts.
• Completely wipe off any engine oil that adheres to the engine and the vehicle.
Oil drain plug
: Refer to
EM-36, "Removal and Installation"
.
Oil grade and viscosity
: Refer to
MA-18, "FOR USA AND CANADA : Flu-
(United States and Canada)
MA-20, "FOR MEXICO : SAE Viscosity Num-
(Mexico).
Oil capacity
: Refer to
.
PBIC2823E
Tool number
: KV10115801 (J-38956)
LBIA0425E
2011 Pathfinder
MA-30
< PERIODIC MAINTENANCE >
ENGINE MAINTENANCE (VQ40DE)
INSTALLATION
1. Remove foreign materials adhering to the oil filter seal mating surface.
2. Apply clean engine oil to the new oil filter seal 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. Refill engine with new engine oil. Refer to
MA-28, "ENGINE OIL : Changing Engine Oil"
.
5. Inspect the engine for oil leaks. Refer to
MA-28, "ENGINE OIL : Inspection"
6. Install the engine front under cover access cover.
INSPECTION AFTER INSTALLATION
1. Check the engine oil level. Refer to
MA-28, "ENGINE OIL : Inspection"
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
SMA010
Oil filter
: 17.7 N·m (1.8 kg-m, 13 ft-lb)
SMA702C
2011 Pathfinder
ENGINE MAINTENANCE (VQ40DE)
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SPARK PLUG : Exploded View
INFOID:0000000006827554
SPARK PLUG : Removal and Installation
INFOID:0000000006827555
REMOVAL
1. Remove ignition coil. Refer to
EM-42, "Removal and Installation"
.
2. Remove spark plug using suitable tool.
CAUTION:
Do not drop or shock it.
INSPECTION AFTER REMOVAL
• Do not use a wire brush for cleaning.
• If the spark plug tip is covered with carbon, a spark plug cleaner may be used.
1.
Ignition coil
2.
Spark plug
PBIC2901E
SEM294A
SMA773C
Cleaner air pressure
: Less than 588 kPa (6 kg/cm
2
, 85 psi)
Cleaning time
: Less than 20 seconds
2011 Pathfinder
MA-32
< PERIODIC MAINTENANCE >
ENGINE MAINTENANCE (VQ40DE)
• Checking and adjusting spark plug gap is not required between
change intervals.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
Do not drop or shock spark plug.
*: Always check with the Parts Department for the latest parts information.
EVAP VAPOR LINES
EVAP VAPOR LINES : Checking EVAP Vapor Line
INFOID:0000000006243406
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.
EC-486, "How to Detect Fuel Vapor Leakage"
SMA806CA
Application
United States and Canada
Mexico
Make
NGK
Standard type*
DILFR5A-11
PLFR5A-11
Gap (nominal)
1.1 mm (0.043 in)
2011 Pathfinder
ENGINE MAINTENANCE (VK56DE)
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ENGINE MAINTENANCE (VK56DE)
DRIVE BELTS
DRIVE BELTS : Exploded View
INFOID:0000000006827556
DRIVE BELTS : Checking Drive Belts
INFOID:0000000006827557
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
(between three line notches).
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
ENGINE COOLANT
ENGINE COOLANT : System Inspection
INFOID:0000000006827558
WARNING:
• Never remove the radiator/reservoir cap when the engine is hot. Serious burns could occur from
high pressure fluid escaping from the radiator or reservoir.
• Wrap a thick cloth around the cap. Slowly push down and turn it a quarter turn to allow built-up pres-
sure to escape. Carefully remove the cap by pushing down and turning it all the way.
CHECKING COOLING SYSTEM HOSES
Check hoses for the following:
• Improper attachment
• Leaks
• Cracks
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
2011 Pathfinder
MA-34
< PERIODIC MAINTENANCE >
ENGINE MAINTENANCE (VK56DE)
• Damage
• Loose connections
• Chafing
• Deterioration
CHECKING RESERVOIR LEVEL
• Check if the engine coolant reservoir tank level is within MIN to
MAX level when the engine is cool.
• Adjust engine coolant level as necessary.
ENGINE COOLANT : Changing Engine Coolant
INFOID:0000000006827559
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 under cover using power tool.
3. Open the radiator drain plug at the bottom of the radiator, and
remove the reservoir cap. This is the only step required when
partially draining the cooling system (radiator only).
CAUTION:
• Perform this step when the engine is cold.
• Do not 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.
CAUTION:
Do not reuse copper sealing washers.
NOTE:
For Canada, the drain plug as shown is replaced by a block
heater.
SMA412B
LLIA0070E
PBIC0146E
2011 Pathfinder
ENGINE MAINTENANCE (VK56DE)
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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, and the oil cooler hose 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.
GI-14, "Recommended Chemical Products and Seal-
CAUTION:
Do not reuse copper sealing washers.
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.
WBIA0392E
Radiator drain plug
: Refer to
COOLANT : Changing Engine
Coolant"
.
RH cylinder block drain
plug
: Refer to
.
WBIA0392E
2011 Pathfinder
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