Nissan Titan. Instruction — part 323
EM-96
< UNIT DISASSEMBLY AND ASSEMBLY >
ENGINE UNIT
1. Fully air-blow the coolant and oil passages in the cylinder block, cylinder bore, and crankcase to remove
any foreign material.
WARNING:
Use goggles to protect your eyes.
2. Install each plug to the cylinder block (only screw-type plugs are
shown).
• Apply liquid gasket.
Use Genuine Thread Sealant or equivalent. Refer to
"Recommended Chemical Products and Sealants"
.
• Tighten each plug as specified below.
CAUTION:
Do not reuse copper sealing washers.
NOTE:
For cylinder block heater equipped engines, water drain plug
(C) shown is not a water drain plug but a cylinder block heater.
3. Install main bearings and thrust bearings.
a. Remove any dust, dirt, and oil on the bearing mating surfaces of
the cylinder block and main bearing caps.
b. Install thrust bearings to both sides of the No. 3 journal housing
on the cylinder block and main bearing caps
• Install thrust bearings with the oil groove facing the crankshaft
arm (outside).
• Install thrust bearings with a protrusion in the center on the
main bearing caps.
c.
Install main bearings paying attention to the direction.
• Install the one with oil holes onto the cylinder block and the
one without oil holes onto the main bearing cap.
• Before installing bearings, apply engine oil to bearing surface
(inside). Do not apply oil to the back surface, but thoroughly
clean it.
• When installing, align the bearing stopper to the notch.
• Ensure the oil holes on the cylinder block and those on the
corresponding bearing are aligned.
WBIA0419E
Part
Washer
Tightening torque
A
Yes
53.9 N·m (5.5 kg-m, 40 ft-lb)
B
No
19.6 N·m (2.0 kg-m, 15 ft-lb)
C
Yes
62.7 N·m (6.4 kg-m, 46 ft-lb)
D
Yes
62.7 N·m (6.4 kg-m, 46 ft-lb)
Cylinder block heater
Yes
73.5 N·m (7.5 kg-m, 54 ft-lb)
PBIC0093E
PBIC0094E
ENGINE UNIT
EM-97
< UNIT DISASSEMBLY AND ASSEMBLY >
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4. Install pilot converter to the crankshaft using suitable tool.
5. Install crankshaft to the cylinder block.
• While turning crankshaft by hand, make sure it turns smoothly.
6. Install main bearing caps.
• Align the identification number to the journal position to install.
• Install it with the front mark (indicated by the arrow) facing the
front of engine.
• Tap caps lightly to seat them in the installation position.
7. Follow the steps below to tighten each main bearing cap bolt.
a. Apply engine oil to threads and seating surfaces of bolts, and
tighten all bolts temporarily.
b. Measure tightening angle using Tool.
CAUTION:
Measure tightening angle using Tool. Do not measure visu-
ally.
• Rotate crankshaft by hand after bolts are tightened. Check if it rotates smoothly.
• Check crankshaft side clearance. Refer to
EM-101, "Inspection After Disassembly"
.
8. Install the rear oil seal.
EMP0569D
KBIA2533E
Main bearing cap bolts in
order of 1 to 10
: 39.2 N·m (4.0 kg-m, 29 ft-lb)
Main bearing cap sub
bolts in order of 11 to 20
: 29.4 N·m (3.0 kg-m, 22 ft-lb)
PBIC0090E
Tool number
: KV10112100 (BT-8653-A)
Main bearing cap bolts in
order of 1 to 10
: 40
°
Main bearing cap sub bolts
in order of 11 to 20
: 30
°
Side bolts in order of 21 to
30
: 49 N·m (5.0 kg-m, 36 ft-lb)
WBIA0597E
EM-98
< UNIT DISASSEMBLY AND ASSEMBLY >
ENGINE UNIT
• Install the rear oil seal so that each seal lip is oriented as
shown.
- (A): Oil seal lip
- (B): Dust seal lip
-
: Engine inside
-
: Engine outside
• Press in rear oil seal (1) to the position as shown.
- (B): Rear oil seal retainer rear end face
• Press-fit the rear oil seal using suitable tool.
CAUTION:
• Do not damage the crankshaft or cylinder block.
• Press-fit the oil seal straight to avoid causing burrs or
tilting.
• Do not touch grease applied onto the oil seal lip.
• Do not damage or scratch the outer circumference of
the rear oil seal.
• Tap until flattened with the front edge of the oil seal retainer.
9. Install rear oil seal retainer.
• Apply a continuous bead of liquid gasket using Tool to rear oil
seal retainer as shown.
Use Genuine RTV Silicone Sealant or an equivalent. Refer
GI-21, "Recommended Chemical Products and Sealants"
.
10. Install the piston to the connecting rod.
a. Install the snap ring to the grooves of the piston rear side.
• Insert it fully into the groove to install.
b. Install the piston to the connecting rod.
• Heat piston until piston pin can be pushed in by hand without excess force [approx. 60
° to 70 C° (140° to
158
°F)]. From the front to the rear, insert the piston pin into the piston and the connecting rod.
JPBIA0054ZZ
(a)
: 0 - 0.5 mm (0 - 0.020 in)
JPBIA0152ZZ
WBIA0438E
A
: Protrusion
b
: 4.0 - 5.6 mm (0.157 - 0.220 in)
c
: 3.4 - 4.4 mm (0.134 - 0.173 in)
Tool number
: WS39930000 ( — )
AWBIA0880ZZ
ENGINE UNIT
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• Assemble so that the front mark on the piston crown and the
oil holes and cylinder No. on the connecting rod are positioned
as shown.
WARNING:
Piston contains heat. When working, wear protective
equipment to avoid getting burned.
c. Install the snap ring to the grooves of the piston front side.
• Insert it fully into the groove to install.
• After installing, make sure connecting rod moves smoothly.
11. Install piston rings.
CAUTION:
Do not damage piston.
• Position each ring with the gap as shown, referring to the pis-
ton front mark.
• Install the second ring with the stamped surface facing
upward.
12. Install the connecting rod bearings to the connecting rod and
connecting rod cap.
• When installing the connecting rod bearings, apply engine oil
to the bearing surface (inside). Do not apply oil to the back
surface, but thoroughly clean it.
• When installing, align the connecting rod bearing stopper pro-
trusion with the cutout of the connecting rod to install.
• Check that the oil holes on the connecting rod and those on
the corresponding bearing are aligned.
13. Install the piston and connecting rod assembly to the crankshaft
using Tool.
• Position the crankshaft pin corresponding to the connecting
rod to be installed onto bottom dead center.
• Apply engine oil sufficiently to the cylinder bore, piston, and
crankshaft pin.
• Match the cylinder position with the cylinder No. on the con-
necting rod to install.
• Install the piston with the front mark on the piston crown facing
the front of the engine.
CAUTION:
Be careful not to damage the crankshaft pin, resulting from an interference of the connecting rod
big end.
KBIA2534E
Stamped mark
Second ring
: 2N
PBIC0100E
PBIC0266E
Tool number
: EM03470000 (J-8037)
WBIA0626E
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