Nissan Pathfinder. Manual — part 838
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ENGINE OIL
PERIODIC MAINTENANCE
ENGINE OIL
Inspection
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ENGINE OIL LEVEL
NOTE:
• Before starting the engine, check the engine oil level. If the engine
is already started, stop it and allow 10 minutes before checking.
• Check that the engine oil level is within the range as indicated on
the dipstick.
• If engine oil level is out of range, add oil as necessary until the dip-
stick indicates the correct level.
ENGINE OIL APPEARANCE
• Check engine oil for white milky appearance or excessive contamination.
• If engine oil becomes milky, it is highly probable that it is contaminated with engine coolant. Repair or
replace damaged parts.
ENGINE OIL LEAKS
Check for engine oil leaks around the following areas:
• Oil pan
• Oil pan drain plug
• Oil pressure switch
• Oil filter
• Oil cooler
• Intake valve timing control cover
• Front timing chain cover
• Mating surface between cylinder block and cylinder head
• Mating surface between cylinder head and rocker cover
• Crank oil seal (front and rear)
ENGINE OIL PRESSURE CHECK
WARNING:
• Be careful not to burn yourself, as engine oil may be hot.
• Put the CVT shift selector in the Park “P” position.
1. Check the engine oil level. Refer to OIL LEVEL.
2. Remove engine under cover. Refer to
.
3. Disconnect engine oil pressure switch harness connector at the
oil pressure switch. Remove oil pressure switch using suitable
tool and install Tools.
CAUTION:
Do not drop or shock oil pressure switch.
4. Start the engine and warm it up to normal operating temperature.
5. Check engine oil pressure with engine running under no-load, using Tool.
If difference is extreme, check oil passage and oil pump for oil leaks.
JMA122D
Tool numbers
: ST25051001 (J-25695-1)
: ST25052000 (J-25695-2)
WBIA0571E
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ENGINE OIL
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6. After the inspections, install the oil pressure switch using suitable tool as follows:
a. Remove the old sealant adhering to oil pressure switch and engine.
b. Apply thread sealant and tighten the oil pressure switch to specification.
Use Genuine High Performance Thread Sealant, or equivalent. Refer to
Chemical Products and Sealants"
c. After warming up engine, make sure there are no engine oil leaks.
7. Install engine under cover. Refer to
.
Changing Engine Oil
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WARNING:
• Be careful not to burn yourself, as the 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 engine oil. If skin contact is made, wash thoroughly with soap or hand cleaner as
soon as possible.
1. Position the vehicle so it is level on the hoist.
2. Warm up the engine and check for engine oil leaks.
3. Stop engine and wait for 10 minutes.
4. Remove the oil pan drain plug and oil filler cap.
5. Drain the engine oil.
6. Install the oil pan drain plug with a new washer and refill the engine with new engine oil.
CAUTION:
• Be sure to clean the oil pan drain plug and install with a new washer.
• The refill capacity depends on the engine oil temperature and drain time. Use the specifications
for reference only. Always use the dipstick to determine when the proper amount of engine oil is
in the engine.
7. Warm up the engine and check around the oil pan drain plug and oil filter for engine oil leaks.
8. Stop engine and wait for 10 minutes.
9. Check the engine oil level using the dipstick.
CAUTION:
Do not overfill the engine with engine oil.
Oil pressure switch :
Engine oil specification and
viscosity
: Refer to
(United States
and Canada) or
(Mexico).
Oil pan drain plug
: 34.3 N·m (3.5 kg-m, 25 ft-lb)
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OIL FILTER
OIL FILTER
Removal and Installation
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REMOVAL
1. Drain engine oil. Refer to
2. Remove front fender protector side cover (RH). Refer to
EXT-28, "FENDER PROTECTOR : Exploded
.
3. Remove the oil filter using Tool (A) as shown.
WARNING:
Be careful not to burn yourself, as the engine oil may be
hot.
CAUTION:
• 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.
• The oil filter is provided with a relief valve. Use a genuine
NISSAN oil filter or equivalent.
INSTALLATION
1. Remove foreign materials adhering to the oil filter installation surface.
2. Apply clean engine oil to the oil seal contact surface of the new
oil filter.
Tool number : KV10115801 (J-38956)
ALBIA0617GB
ALC094
SMA010
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OIL FILTER
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3. Screw the oil filter manually until it touches the installation sur-
face, then tighten it by turning another 2/3 turn or tighten to
specification using Tool.
4. Refill the engine with new engine oil. Refer to
.
5. Check the engine oil level and add engine oil as necessary. Refer to
6. After warming up the engine, check for engine oil leaks.
7. Install front fender protector side cover (RH). Refer to
EXT-28, "FENDER PROTECTOR : Exploded View"
.
Oil filter
: 18.0 N·m (1.8 kg-m, 13 ft-lb)
Tool number
: KV10115801 (J-38956)
SMA229B
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