Nissan Maxima. Manual - part 530

EM-8

< PREPARATION >

PREPARATION

Commercial Service Tool

INFOID:0000000009465999

—

(J-50288)
Ring gear stopper

Removing and installing crankshaft pulley

—
(J-47128)
Seal installer

Installing rear main seal

Tool number
(TechMate No.)
Tool name

Description

ALBIA0675ZZ

LBIA0452E

(TechMate No.)
Tool name

Description

Power tool

Loosening nuts, screws and bolts

Pulley holder

Removing and installing crankshaft pulley
(Holding crankshaft pulley)
a: 68 mm (2.68 in) dia.
b: 8 mm (0.31 in) dia.

Spark plug wrench

Removing and installing spark plug

Valve seat cutter set

Finishing valve seat dimensions

PIIB1407E

NT628

PBIC2982E

NT048

PREPARATION

EM-9

< PREPARATION >

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Piston ring expander

Removing and installing piston ring

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

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

1

: 6.0 mm (0.236 in) dia.

d

2

: 10.2 mm (0.402 in) dia.

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

Reconditioning the exhaust system threads 
before installing a new oxygen sensor (Use 
with anti-seize lubricant shown below.)
a: J-43897-18 (18 mm dia.) for zirconia ox-
ygen sensor
b: J-43897-12 (12 mm dia.) for titania oxy-
gen sensor

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

Lubricating oxygen sensor thread cleaning 
tool when reconditioning exhaust system 
threads

(TechMate No.)
Tool name

Description

NT030

NT015

NT016

AEM488

AEM489

EM-10

< SYSTEM DESCRIPTION >

NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING

SYSTEM DESCRIPTION

NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING

NVH Troubleshooting - Engine Noise

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1.

Camshaft bearing noise

2.

Piston pin noise

3.

Piston slap noise

4.

Main bearing noise

5.

 Connecting rod bearing noise 6.

Drive belt noise (Sticking/Slipping)

7.

Drive belt noise (Slipping) 8.

Water pump noise

9.

Timing chain and chain tensioner noise

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

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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. Repair or replace the identified part as necessary.

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

10. Tappet noise

A.

Valve

B.

 Valve mechanism

C.

Rotation mechanism

D.

Drive belt

E.

 Timing chain

Location 

of noise

Type of 

noise

Operating condition of engine

Source of 

noise

Check item

Refer-

ence page

Before 

warm-

up

After 

warm-

up

When 

start-

ing

When 

idling

When 

racing

While 

driving

Top of en-
gine
Rocker 
cover
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-76

Crank-
shaft pul-
ley
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-22

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-107

Knock

A

B

C

B

B

B

Connect-
ing rod 
bearing 
noise

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

EM-107

Knock

A

B

—

A

B

C

Main bear-
ing noise

Main bearing oil clear-
ance
Crankshaft runout

EM-107

Front of 
engine
Timing 
chain cov-
er

Tapping or 
ticking

A

A

—

B

B

B

Timing 
chain and 
chain ten-
sioner 
noise

Timing chain cracks 
and wear
Timing chain tensioner 
operation

EM-64

Front of 
engine

Squeak-
ing or fizz-
ing

A

B

—

B

—

C

Drive belts 
(Sticking 
or slip-
ping)

Drive belts deflection

EM-14

Creaking

A

B

A

B

A

B

Drive belts 
(Slipping)

Idler pulley bearing op-
eration

Squall
Creak

A

B

—

B

A

B

Water 
pump 
noise

Water pump operation

CO-17