Nissan Frontier D22. Instruction — part 785
LU-14
[VG33E and VG33ER]
LUBRICATION SYSTEM
LUBRICATION SYSTEM
PFP:15010
Lubrication Circuit
EBS00GUS
SLC082B
ENGINE OIL
LU-15
[VG33E and VG33ER]
C
D
E
F
G
H
I
J
K
L
M
A
LU
ENGINE OIL
PFP:KLA92
Oil Pressure Check
EBS00GUT
WARNING:
●
Be careful not to burn yourself, as the engine and oil may be hot.
●
Oil pressure check should be done in “Neutral position” (M/T) or “Parking position” (A/T).
1.
Check oil level.
2.
Remove oil pressure switch.
3.
Install pressure gauge.
4.
Start engine and warm it up to normal operating temperature.
5.
Check oil pressure with engine running under no-load at idle
speed and at 2,000 rpm.
Engine oil pressure [oil temperature at 80
°C (148°F)]
●
If difference is extreme, check oil passage and oil pump for oil leaks.
6.
Install oil pressure switch with sealant. Refer to
GI-42, "RECOMMENDED CHEMICAL PRODUCTS AND
ALC120
Engine speed
rpm
Approximate discharge pressure
kPa (kg/cm
2
, psi)
Idle speed
More than 59 (0.6, 9)
2,000
412 - 451 (4.2 - 4.6,
60 - 65)
Oil pressure switch
: 12.25 – 17.15 N·m (1.3 – 1.7 kg-m, 9 – 12 ft-lb)
SLC926
LU-16
[VG33E and VG33ER]
OIL PUMP
OIL PUMP
PFP:15010
Removal and Installation
EBS00GUU
1.
Drain engine oil. Refer
2.
Drain engine coolant from drain plug on radiator. Refer to
MA-26, "Changing Engine Coolant"
.
3.
Remove air duct (from mass air flow sensor to throttle body).
4.
Remove cooling fan. Refer to
CO-32, "COOLING FAN (CRANKSHAFT DRIVEN)"
.
5.
Remove radiator hoses (upper and lower) and fan shroud. Refer to
6.
Remove drive belts. Refer to
.
7.
Remove crankshaft pulley and front upper and lower belt covers. Refer to
8.
Remove oil pan. Refer to
9.
Remove oil strainer.
10. Remove oil pump assembly.
11. Installation is in the reverse order of removal.
Disassembly and Assembly
EBS00GUV
●
Always replace with new oil seal and gasket.
●
When installing oil pump, apply engine oil to inner and outer rotors.
●
Be sure that O-ring is properly installed.
Inspection
EBS00GUW
Using a feeler gauge, straightedge and micrometers, check all of the following clearances:
Unit: mm (in)
●
If the tip clearance (2) exceeds the limit, replace rotor set.
WLC022
Oil pump housing to outer rotor radial
clearance 1
0.114 - 0.200 (0.0045 - 0.0079)
Inner rotor to outer rotor tip clearance 2
Below 0.18 (0.0071)
Oil pump housing to inner rotor axial
clearance 3
0.05 - 0.09 (0.0020 - 0.0035)
Oil pump housing to outer rotor axial
clearance 4
0.050 - 0.110 (0.0020 - 0.0043)
Inner rotor brazed portion to housing
clearance 5
0.045 - 0.091 (0.0018 - 0.0036)
SLC072B
OIL PUMP
LU-17
[VG33E and VG33ER]
C
D
E
F
G
H
I
J
K
L
M
A
LU
●
If body to rotor clearances (1, 3, 4, 5) exceed the limit,
replace oil pump body assembly.
Regulator Valve Inspection
EBS00GUX
1.
Visually inspect components for wear and damage.
2.
Check oil pressure regulator valve sliding surface and valve
spring.
3.
Coat regulator valve with engine oil. Check that it falls smoothly
into the valve hole by its own weight.
4.
If damaged, replace regulator valve set or oil pump assembly.
Oil Filter
EBS00GUY
The oil filter is a small, full-flow cartridge type and is provided with a
relief valve.
●
When changing oil filter. Refer to
SLC073B
WLC020
SLC074B
SLC035B
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