Infiniti M45 (Y34). Manual — part 672
LUBRICATION SYSTEM
LU-5
C
D
E
F
G
H
I
J
K
L
M
A
LU
System Drawing
ABS000MA
PBIC0134E
LU-6
ENGINE OIL
ENGINE OIL
PFP:KLA92
Inspection
ABS000MB
ENGINE OIL LEVEL
NOTE:
Before starting engine, check the engine oil level. If engine is already started, stop it and allow 15 minutes
before checking.
1.
Put vehicle horizontally.
2.
Pull out oil level gauge and wipe it clean.
3.
Insert oil level gauge and check that the engine oil level is within
the range shown in the figure.
4.
If it is out of range, adjust it.
OIL APPEARANCE
●
Check engine oil for a white milky appearance or excessive contamination.
●
If engine oil is milky, it is highly probable that it is contaminated with engine coolant. Repair the broken
parts.
OIL LEAKAGE
Check for oil leakage around the following area.
●
Oil pan
●
Oil pan drain plug
●
Oil pressure switch
●
Oil filter
●
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
●
Crank oil seal (front and rear)
OIL PRESSURE CHECK
WARNING:
●
Be careful not to burn yourself, as engine oil is hot.
●
Oil pressure check should be done in “Parking position”.
1.
Check engine oil level. Refer to
2.
Remove engine undercover with power tool.
3.
Disconnect oil pressure switch harness connector.
4.
Remove oil pressure switch using the deep socket (commercial
service tool).
PBIC0801E
PBIC0136E
ENGINE OIL
LU-7
C
D
E
F
G
H
I
J
K
L
M
A
LU
5.
Install oil pressure gauge and hose [SST].
6.
After warming up engine, check that oil pressure corresponding to the engine speed is produced.
NOTE:
When engine oil temperature is low, the engine oil pressure becomes high.
Engine oil pressure [Oil temperature is 80
°
C (176
°
F)]
If difference is extreme, check oil passage and oil pump for oil leaks.
7.
After the inspections, install the oil pressure switch as follows.
a.
Remove the old liquid gasket adhering to oil pressure switch and engine.
b.
Apply thread sealant and tighten the oil pressure switch to specification.
Use Genuine Thread Sealant or equivalent. Refer to
GI-46, "RECOMMENDED CHEMICAL PROD-
Oil pressure switch:
Changing Engine Oil
ABS000MC
WARNING:
●
Be careful not to burn yourself, as 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 undercover with power tool.
2.
Warm up engine, and check for engine oil leakage from engine
components. Refer to
.
3.
Stop engine and wait for 15 minutes.
4.
Loosen oil filler cap, then remove drain plug.
5.
Drain engine oil.
6.
Install drain plug with new washer. Refer to
EM-25, "OIL PAN AND OIL STRAINER"
CAUTION:
●
Be sure to clean drain plug and install with new washer.
7.
Refill with new engine oil.
Engine oil specification and viscosity:
Refer to
MA-10, "RECOMMENDED FLUIDS AND LUBRICANTS"
SLC926
Engine speed (rpm)
Idle speed
2,000
Oil pressure kPa (kg/cm
2
, psi)
Approx. 98 (1.0, 14) or more
Approx. 294 (3.0, 43) or more
: 12.3 - 17.2 N·m (1.25 - 1.75 kg-m, 10 - 12 ft-lb)
Oil pan drain plug:
: 29.4 - 39.2 N·m (3.0 - 4.0 kg-m, 22 - 28 ft-lb)
PBIC0993E
LU-8
ENGINE OIL
Engine oil capacity (Approximate):
Unit:
(US qt, Imp qt)
CAUTION:
●
The refill capacity depends on the engine oil temperature and drain time. Use these specifica-
tions for reference only.
●
Always use the oil level gauge to determine when the proper amount of engine oil is in engine.
8.
Warm up engine and check area around drain plug and oil filter for oil leakage.
9.
Stop engine and wait for 15 minutes.
10. Check the engine oil level. Refer to
.
Drain and refill
With oil filter change
5.6 (5-7/8, 4-7/8)
without oil filter change
5.0 (5-1/4, 4-3/8)
Dry engine (engine overhaul)
6.7 (7-1/8, 5-7/8)
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