Nissan Titan. Manual — part 451
LU-6
< SYSTEM DESCRIPTION >
LUBRICATION SYSTEM
SYSTEM DESCRIPTION
LUBRICATION SYSTEM
Lubrication Circuit
INFOID:0000000009886454
WBIA0399E
1.
Exhaust camshaft
2.
Intake camshaft
3.
Main oil galley
4.
Chain tensioner (Left bank)
5.
Oil filter
6.
Oil cooler
7.
Oil pan
8.
Oil strainer
9.
Oil pump
10. Chain tensioner (Right bank)
LUBRICATION SYSTEM
LU-7
< SYSTEM DESCRIPTION >
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Schematic
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PBIC0134E
LU-8
< PERIODIC MAINTENANCE >
ENGINE OIL
PERIODIC MAINTENANCE
ENGINE OIL
Inspection
INFOID:0000000009886456
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.
• 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. Refer to
MA-15, "FOR NORTH AMERICA : Fluids and Lubricants"
, (United
MA-16, "FOR MEXICO : Fluids and Lubri-
OIL APPEARANCE
• Check the engine oil for a white milky appearance or excessive contamination.
• If the engine oil is milky, it is highly probable that it is contaminated with engine coolant. Repair the broken
parts.
OIL LEAKS
Check for oil leaks around the following areas:
• Oil pan
• Oil pan drain plug
• Oil pressure switch
• Oil filter
• Oil cooler
• Intake valve timing control cover
• Intake valve timing control solenoid valve
• Front cover
• Mating surface between cylinder block and cylinder head
• Mating surface between cylinder head and rocker cover
• Crankshaft oil seal (front and rear)
OIL PRESSURE CHECK
WARNING:
• Be careful not to burn yourself, as engine oil may be hot.
• Put the A/T shift selector in the Park “P” position.
1. Check the engine oil level. Refer to
.
2. Remove engine under cover (without off road package) or skid plate (with off road package). Refer to
EXT-15, "Removal and Installation"
3. Disconnect the oil pressure switch harness connector.
4. Remove the oil pressure switch (A).
SMA954C
WBIA0791E
ENGINE OIL
LU-9
< PERIODIC MAINTENANCE >
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5. Install Tools.
6. Start the engine and warm it up to normal operating temperature.
7. Check the engine oil pressure with engine running under no-load. Refer to
CAUTION:
If the difference between the test results and the specification is extreme, check the oil passages
and oil pump for leaks and blockages.
8. After the inspections, install oil pressure switch as follows:
a. Remove old liquid gasket adhering to oil pressure switch and engine.
b. Apply liquid gasket and tighten oil pressure switch to the specification.
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-21, "Recommended Chemical Prod-
.
c. After warming up engine, make sure there are no engine oil leaks.
9. Install the engine under cover (without off road package) or skid plate (with off road package). Refer to
EXT-15, "Removal and Installation"
Changing Engine Oil
INFOID:0000000009886457
WARNING:
• Be careful not to burn yourself, as the engine oil is 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. Remove engine under cover (without off road package) or skid
plate (with off road package). Refer to
.
2. Warm up engine, and check for engine oil leaks. Refer to
3. Stop engine and wait for 10 minutes.
4. Loosen oil filler cap, then remove drain plug.
5. Drain engine oil.
6. Install drain plug with new washer.
CAUTION:
• Be sure to clean drain plug and install with new washer.
7. Refill with new engine oil. Refer to
MA-15, "FOR NORTH AMERICA : Fluids and Lubricants"
, (United
States and Canada),
MA-16, "FOR MEXICO : Fluids and Lubricants"
. (Mexico).
CAUTION:
• The refill capacity depends on the engine oil temperature and drain time. Use these specifica-
tions for reference only.
Tool number
: ST25051001 (J-25695-1)
: ST25052000 (J-25695-2)
WBIA0571E
Oil pressure switch torque
: 14.8 N·m (1.5 kg-m, 11 ft-lb)
Oil pan drain plug
: 34.3 N·m (3.5 kg-m, 25 ft-lb)
KBIA2498E
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