Nissan Titan A60. Manual - part 456

PREPARATION

EM-9

< PREPARATION >

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Valve guide drift

Removing and installing valve guide
Intake & Exhaust:
a: 9.5 mm (0.374 in) dia.
b: 5.5 mm (0.217 in) dia.

Valve guide reamer

1: Reaming valve guide hole
2: Reaming hole for oversize valve guide 
Intake & Exhaust:
d

1

: 6.0 mm (0.236 in) dia.

d

2

: 10.175 - 10.196 mm (0.4006 - 0.4014 in) 

dia.

Front oil seal drift

Installing front oil seal

Rear oil seal drift

Installing rear oil seal

(J-43897-18)
(J-43897-12)
Oxygen sensor thread cleaner

Reconditioning the exhaust system threads 
before installing a new A/F sensor and heated 
oxygen sensor (Use with anti-seize lubricant 
shown below.)
a: J-43897-18 (18 mm dia.) (0.71 in) for zir-
conia heated oxygen sensor
b: J-43897-12 (12 mm dia.) (0.55 in) for tita-
nia heated oxygen sensor

Anti-seize lubricant (Permatex 133AR 
or equivalent meeting MIL specifica-
tion MIL-A-907)

Lubricating A/F sensors and heated oxygen 
sensor thread cleaning tool when recondition-
ing exhaust system threads

(Kent-Moore No.)
Tool name

Description

S-NT015

S-NT016

ZZA0012D

ZZA0025D

AEM488

AEM489

EM-10

< SYSTEM DESCRIPTION >

NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING

SYSTEM DESCRIPTION

NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING

NVH Troubleshooting - Engine Noise

INFOID:0000000006179377

AWBIA0149ZZ

NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING

EM-11

< SYSTEM DESCRIPTION >

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Use the Chart Below to Help You Find the Cause of the Symptom

INFOID:0000000006179378

1. Locate the area where noise occurs.
2. Confirm the type of noise.
3. Specify the operating condition of engine.
4. Check specified noise source.
If necessary, repair or replace these parts.

1.

Timing chain

2.

Intake valve

3.

Exhaust valve

4.

Drive belt

5.

Water pump

A.

VTC noise

B.

Tappet noise

C.

Camshaft bearing noise

D.

Valve mechanism

E.

Rotation mechanism

F.

Piston pin noise

G.

Piston slap noise

H.

Main bearing noise

I.

Connecting rod bearing noise

J.

Drive belt noise (slipping)

K.

Drive belt noise (stick/slipping)

L.

Water pump noise

M.

Timing chain and chain tensioner noise

Location of 

noise

Type of 

noise

Operating condition of engine

Source of 

noise

Check item

Refer-

ence page

Be-

fore 

warm-

up

After 

warm-

up

When 

start-

ing

When 

idling

When 

racing

While 

driv-

ing

Top of en-
gine
Rocker cov-
er
Cylinder 
head

Ticking or 
clicking

C

A

—

A

B

—

Tappet noise

Valve clearance

EM-18

Rattle

C

A

—

A

B

C

Camshaft 
bearing noise

Camshaft journal clear-
ance
Camshaft runout

EM-58
EM-58

Crankshaft 
pulley
Cylinder 
block (Side 
of engine)
Oil pan

Slap or 
knock

—

A

—

B

B

—

Piston pin 
noise

Piston and piston pin 
clearance
Connecting rod bushing 
clearance

EM-96
EM-96

Slap or 
rap

A

—

—

B

B

A

Piston slap 
noise

Piston-to-bore clear-
ance
Piston ring side clear-
ance
Piston ring end gap
Connecting rod bend 
and torsion

EM-96
EM-96
EM-96
EM-96

Knock

A

B

C

B

B

B

Connecting 
rod bearing 
noise

Connecting rod bushing 
oil clearance (Small 
end)
Connecting rod bearing 
clearance (Big end)

EM-96
EM-96

Knock

A

B

—

A

B

C

Main bearing 
noise

Main bearing oil clear-
ance
Crankshaft runout

EM-96
EM-96

Front of en-
gine
Chain case 
cover
Front cover

Tapping 
or ticking

A

A

—

B

B

B

Timing chain 
and chain 
tensioner 
noise

Timing chain cracks 
and wear
Timing chain tensioner 
operation

EM-48
EM-53

EM-12

< SYSTEM DESCRIPTION >

NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING

A: Closely related B: Related C: Sometimes related —: Not related

Front of en-
gine

Squeak-
ing or 
fizzing

A

B

—

B

—

C

Drive belts 
(Sticking or 
slipping)

Drive belts deflection

EM-13

Creaking

A

B

A

B

A

B

Drive belts 
(Slipping)

Idler pulley bearing op-
eration

Squall
Creaking

A

B

—

B

A

B

Water pump 
noise

Water pump operation

CO-21

Rattle

—

—

A

—

—

—

VTC

VTC lock pin clearance

EM-67

Location of 

noise

Type of 

noise

Operating condition of engine

Source of 

noise

Check item

Refer-

ence page

Be-

fore 

warm-

up

After 

warm-

up

When 

start-

ing

When 

idling

When 

racing

While 

driv-

ing