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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AWBIA0022ZZ

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