Nissan Titan. Instruction — part 318
EM-76
< REMOVAL AND INSTALLATION >
OIL SEAL
• Holding the crankshaft pulley bolt, lock the crankshaft to
remove the drive plate bolts.
• Remove drive plate bolts diagonally.
CAUTION:
• Do not damage the drive plate. Especially, avoid deform-
ing and damaging the signal plate teeth (circumference
position).
• Keep magnetic materials away from signal plate.
• Place the drive plate with the signal plate surface facing
upward.
4. Remove the rear oil seal using suitable tool.
CAUTION:
Do not damage crankshaft or oil seal retainer surface.
INSTALLATION
1. Apply new engine oil to both the oil seal lip and dust seal lip of the new rear oil seal.
2. Install the rear oil seal.
• 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
KBIA2491E
WBIA0437E
JPBIA0054ZZ
(a)
: 0 - 0.5 mm (0 - 0.020 in)
JPBIA0152ZZ
OIL SEAL
EM-77
< REMOVAL AND INSTALLATION >
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• 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.
3. Installation of the remaining components is in the reverse order of removal. Refer to
TM-213, "Removal and Installation (4WD)"
CAUTION:
• When replacing an engine or transmission you must make sure the dowels are installed cor-
rectly during re-assembly.
• Improper alignment caused by missing dowels may cause vibration, oil leaks or breakage of
drivetrain components.
WBIA0438E
EM-78
< REMOVAL AND INSTALLATION >
CYLINDER HEAD
CYLINDER HEAD
Exploded View
INFOID:0000000009886438
Removal and Installation
INFOID:0000000009886439
REMOVAL
1. Remove the engine assembly from the vehicle. Refer to
EM-88, "Removal and Installation"
2. Remove the following components and related parts:
• Drive belt auto-tensioner, drive belt and idler pulley. Refer to
EM-15, "Drive Belt Auto-Tensioner and
• Generator assembly and bracket. Refer to
CHG-28, "Removal and Installation"
• Thermostat housing and hose. Refer to
CO-22, "Removal and Installation"
.
• Oil pan and oil strainer. Refer to
EM-35, "Removal and Installation"
.
• Fuel tube and fuel injector assembly. Refer to
EM-43, "Removal and Installation"
• Intake manifold. Refer to
EM-27, "Removal and Installation"
• Rocker cover. Refer to
EM-41, "Removal and Installation"
.
• Starter. Refer to
STR-19, "Removal and Installation"
.
• Knock sensors. Refer to
.
• Engine coolant temperature sensor (if necessary).
3. Remove the crankshaft pulley, front cover, oil pump, and timing chain. Refer to
.
4. Remove the camshaft sprockets and camshafts. Refer to
EM-62, "Removal and Installation"
5. Remove the cylinder head bolts in reverse of order shown using
Tool.
6. Remove the cylinder heads.
7. Remove the cylinder head gaskets.
1.
Harness bracket
2.
Engine coolant temperature sensor
3.
Washer
4.
Cylinder head gasket (LH)
5.
Cylinder head (RH)
6.
Cylinder head bolt
7.
Cylinder head gasket (RH)
8.
Cylinder head (LH)
KBIA2528E
Tool number
: — (J-45816)
PBIC0068E
CYLINDER HEAD
EM-79
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INSPECTION AFTER REMOVAL
Cylinder Head Bolts Diameter
• Cylinder head bolts are tightened by plastic zone tightening
method. Whenever the size difference between d1 and d2 exceeds
the limit, replace the bolt with a new one.
• If reduction of diameter appears in a position other than d2, use it
as d2 point.
INSTALLATION
1. Install a new cylinder head gasket.
CAUTION:
Do not reuse head gasket.
2. Install the cylinder head. Follow the steps below to tighten the
bolts in the numerical order shown.
CAUTION:
• If cylinder head bolts are re-used, check their diameters
before installation. Follow the "Cylinder Head Bolts Diam-
eter" procedure.
a. Apply engine oil to threads and seating surface of the bolts.
b. Measure the tightening angle using Tool.
CAUTION:
Measure the tightening angle using Tool. Do not measure
visually.
3. Installation of the remaining components is in the reverse order of removal.
INSPECTION AFTER INSTALLATION
• Before starting engine, check oil/fluid levels including engine coolant and engine oil. If less than required
quantity, fill to the specified level. Refer to
MA-15, "FOR NORTH AMERICA : Fluids and Lubricants"
States and Canada) or
MA-16, "FOR MEXICO : Fluids and Lubricants"
• Use procedure below to check for fuel leakage.
• Turn ignition switch ON (with engine stopped). With fuel pressure applied to fuel piping, check for fuel leak-
age at connection points.
• Start engine. With engine speed increased, check again for fuel leakage at connection points.
• Run engine to check for unusual noise and vibration.
NOTE:
Limit (d1 - d2)
: 0.23 mm (0.0091 in)
KBIA0189E
PBIC0068E
Step a : 44.1 N·m (4.5 kg-m, 33 ft-lb)
Step b : 70
° clockwise
Step c : Loosen to 0 N·m (0 kg-m, 0 ft-lb) in reverse
order (10-1)
Step d : 44.1 N·m (4.5 kg-m, 33 ft-lb)
Step e : 60
° clockwise
Step f
: 60
° clockwise
Tool number
: KV10112100 (BT-8653-A)
WBIA0603E
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