Nissan Frontier D40. Instruction — part 616
EM-196
< ON-VEHICLE REPAIR >
[VQ40DE]
OIL SEAL
OIL SEAL
Removal and Installation of Valve Oil Seal
INFOID:0000000005274348
REMOVAL
1.
Turn crankshaft until the cylinder requiring new oil seals is at TDC. This will prevent valve from dropping
into cylinder.
2.
Remove camshaft relating to valve oil seal to be removed. Refer to
EM-187, "Removal and Installation"
.
3.
Remove valve lifters. Refer to
EM-187, "Removal and Installation"
4.
Remove valve collet, valve spring retainer and valve spring
using Tool.
CAUTION:
When working, take care not to damage valve lifter holes.
• Compress valve spring using Tool attachment, adapter.
Remove valve collet with magnet hand.
5.
Remove valve oil seal using Tool.
INSTALLATION
1.
Apply new engine oil to new valve oil seal joint surface and seal lip.
2.
Press in valve oil seal to specified height (H) using Tool.
NOTE:
Dimension (H): height measured before valve spring seat instal-
lation.
3.
Installation of the remaining components is in the reverse order
of removal.
Removal and Installation of Front Oil Seal
INFOID:0000000005274349
REMOVAL
1.
Remove engine under cover. Refer to
EXT-13, "Removal and Installation"
.
2.
Remove drive belt. Refer to
EM-127, "Removal and Installation"
3.
Remove engine cooling fan assembly. Refer to
CO-46, "Removal and Installation (Crankshaft driven
4.
Remove crankshaft pulley. Refer to
EM-164, "Removal and Installation"
Tool numbers
: KV10116200 (J-26336-B)
: KV10115900 (J-26336-20)
: KV10109220 (
—
)
WBIA0578E
Tool number
: KV10107902 (J-38959)
WBIA0489E
Tool number
:
—
(J-39386)
Intake and exhaust
: 14.3 - 14.9 mm (0.563 - 0.587 in)
WBIA0490E
OIL SEAL
EM-197
< ON-VEHICLE REPAIR >
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5.
Remove front oil seal using suitable tool.
CAUTION:
Be careful not to damage front timing chain case and crank-
shaft.
INSTALLATION
1.
Apply new engine oil to both oil seal lip and dust seal lip of new front oil seal.
2.
Install front oil seal.
• Install front oil seal so that each seal lip is oriented as shown.
• Press-fit until the height of front oil seal is level with the mount-
ing surface using suitable tool.
- Suitable drift: outer diameter 60 mm (2.36 in), inner diameter
50 mm (1.97 in).
CAUTION:
• Be careful not to damage front timing chain case and
crankshaft.
• Press-fit straight and avoid causing burrs or tilting oil
seal.
3.
Installation is in the reverse order of removal after this step.
Removal and Installation of Rear Oil Seal
INFOID:0000000005274350
REMOVAL
1.
Remove transmission assembly. Refer to
TM-69, "Removal and Installation from Vehicle (For 2WD Mod-
TM-71, "Removal and Installation from Vehicle (For 4WD Models)"
(4WD M/T
models),
TM-301, "Removal and Installation for VQ40DE 2WD Models"
"Removal and Installation for VQ40DE 4WD Models"
(4WD A/T models).
2.
Remove clutch cover and clutch disk (M/T models). Refer to
3.
Remove drive plate (A/T models) or flywheel (M/T models). Refer to
.
PBIC2931E
SEM715A
PBIC2931E
EM-198
< ON-VEHICLE REPAIR >
[VQ40DE]
OIL SEAL
4.
Remove rear oil seal with a suitable tool.
CAUTION:
Be careful not to damage crankshaft and cylinder block.
INSTALLATION
1.
Apply new engine oil to new rear oil seal joint surface and seal lip.
2.
Install rear oil seal so that each seal lip is oriented as shown.
• Install new rear oil seal using Tool.
CAUTION:
• Be careful not to damage crankshaft and cylinder block.
• Press-fit oil seal straight to avoid causing burrs or tilt-
ing.
• Do not touch grease applied onto oil seal lip.
• Press in rear oil seal to the position as shown.
3.
Installation of the remaining components is in the reverse order of removal.
CAUTION:
• When replacing an engine or transmission you must make sure the dowels are installed cor-
rectly during reassembly.
• Improper alignment caused by missing dowels may cause vibration, oil leaks or breakage of
drivetrain components.
PBIC2932E
SEM715A
Tool number
: — (J-49815)
: — (J-8092)
PBIC2933E
SBIA0281E
CYLINDER HEAD
EM-199
< ON-VEHICLE REPAIR >
[VQ40DE]
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CYLINDER HEAD
Exploded View
INFOID:0000000005274351
Removal and Installation
INFOID:0000000005274352
REMOVAL
1.
Remove camshaft. Refer to
EM-187, "Removal and Installation"
2.
Remove intake manifold. Refer to
EM-143, "Removal and Installation"
3.
Remove exhaust manifold. Refer to
EM-146, "Removal and Installation (Exhaust Manifold)"
.
4.
Remove water inlet and thermostat assembly. Refer to
CO-54, "Removal and Installation"
.
5.
Remove water outlet, water pipe and heater pipe. Refer to
CO-56, "Removal and Installation"
.
1.
Rubber plug
2.
Cylinder head (left bank)
3.
Cylinder head bolt
4.
Cylinder head (right bank)
5.
Harness bracket
6.
Cylinder head gasket (right bank)
7.
Cylinder head gasket (left bank)
PBIC2934E
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