Nissan Frontier D40. Manual — part 827
PREPARATION
LU-19
< PREPARATION >
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Tool name
Description
Power tool
Loosening nuts and bolts
Deep socket
Removing and installing oil pressure switch
a: 24 mm (0.94 in)
PBIC0190E
PBIC2072E
LU-20
< FUNCTION DIAGNOSIS >
[VQ40DE]
LUBRICATION SYSTEM
FUNCTION DIAGNOSIS
LUBRICATION SYSTEM
Lubrication Circuit
INFOID:0000000005272527
System Chart
INFOID:0000000005272528
PBIC2821E
PBIC2822E
ENGINE OIL
LU-21
< ON-VEHICLE MAINTENANCE >
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ON-VEHICLE MAINTENANCE
ENGINE OIL
Inspection
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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. Refer to
MA-16, "For North America: Fluids and Lubricants"
.
CAUTION:
Do not overfill the engine with oil.
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 or replace
damaged parts.
OIL LEAKAGE
Check for oil leakage around the following areas:
• Oil pans (lower and upper)
• Oil pan drain plug
• Oil pressure switch
• Oil filter
• Oil cooler
• Water pump cover
• Chain tensioner cover
• Intake valve timing control cover and intake valve timing control solenoid valve
• Mating surface between cylinder block and cylinder head
• Mating surface between lower cylinder block and cylinder block
• Mating surface between cylinder head and rocker cover
• Mating surface between front timing chain case and rear timing chain case
• Mating surface between rear timing chain case and cylinder head
• Mating surface between rear timing chain case and cylinder block
• Mating surface between rear timing chain case and lower cylinder block
• Mating surface between rear timing chain case and oil pan (upper)
• Crankshaft oil seals (front and rear)
• Oil level gauge guide
• Camshaft position sensor (PHASE)
OIL PRESSURE CHECK
WARNING:
• Be careful not to burn yourself, as the engine and engine oil may be hot.
• Put the A/T shift selector in the Park (P) position (A/T models) or Neutral position (M/T models), and
apply parking brake securely.
1.
Check engine oil level. Refer to
2.
Remove engine under cover. Refer to
EXT-13, "Removal and Installation"
.
PBIC2823E
LU-22
< ON-VEHICLE MAINTENANCE >
[VQ40DE]
ENGINE OIL
3.
Disconnect the oil pressure switch (B) harness connector.
• A: Oil pan (upper)
•
: Front
4.
Remove the oil pressure switch (B).
CAUTION:
Do not drop or shock oil pressure switch.
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 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-22, "Recommended Chemical Prod-
.
c.
After warming up engine, make sure there is no leakage of engine oil with running engine.
Changing Engine Oil
INFOID:0000000005272530
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.
WBIA0813E
Tool numbers
: ST25051001 (J-25695-1)
: ST25052000 (J-25695-2)
WBIA0571E
Oil pressure switch torque
: 14.7 N·m (1.5 kg-m, 11 ft-lb)
Oil drain plug
: Refer to
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