Nissan X-Trail 32. Instruction — part 1100

PREPARATION

EM-297

< PREPARATION >

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Instruction lift table caddy

Removing and installing engine

Piston ring expander

Removing and installing piston ring

NISSAN tool number
(RENAULT tool No.)
Tool name

Description

ZZA1210D

NT030

EM-298

< SYMPTOM DIAGNOSIS >

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NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

SYMPTOM DIAGNOSIS

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

NVH Troubleshooting - Engine Noise

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NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

EM-299

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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.

If necessary, repair or replace these parts.

A: Closely related

B: Related

C: Sometimes related

—: Not related

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
Cylinder
head

Ticking or
clicking

A

C

—

B

B

—

Hydraulic
tappet
noise

Out of oil

EM-338

Rattle

C

A

—

A

B

C

Camshaft
bearing
noise

Camshaft journal oil
clearance

EM-357

Crank-
shaft pul-
ley
Cylinder
block
(Side of
engine)
Oil pan

Slap or
knock

—

A

—

B

B

—

Piston pin
noise

Piston to piston pin oil
clearance
Connecting rod bushing
oil clearance

EM-401

Slap or
rap

A

—

—

B

B

A

Piston
slap noise

Piston ring side clear-
ance
Piston ring end gap

EM-401

Knock

A

B

C

B

B

B

Connect-
ing rod
bearing
noise

Connecting rod bushing
oil clearance
Connecting rod bearing
oil clearance

EM-401

Knock

A

B

—

A

B

C

Main bear-
ing noise

Main bearing oil clear-
ance

EM-401

Front of
engine
Front 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-351

Front of
engine

Squeak-
ing or fizz-
ing

A

B

—

B

—

C

Drive belt
(Sticking
or slip-
ping)

Drive belt deflection

EM-307

Creaking

A

B

A

B

A

B

Drive belt
(Slipping)

Idler pulley bearing op-
eration

Squall
Creak

A

B

—

B

A

B

Water
pump
noise

Water pump operation

CO-84,

"Inspec-

tion"

EM-300

< PERIODIC MAINTENANCE >

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DRIVE BELT

PERIODIC MAINTENANCE

DRIVE BELT

Exploded View

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Removal and Installation

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CAUTION:

• Replace the drive belt that has been removed with a new one.
• Drive belt auto-tensioner and idler pulley must be replaced with new ones when the drive belt is

replaced.

• Never run the engine without the drive belt to avoid damaging the crankshaft pulley.

REMOVAL

1.

Remove front fender protector (RH). Refer to

EXT-35, "FENDER PROTECTOR : Exploded View"

.

2.

Hold the hexagonal part of drive belt auto-tensioner with a hex-
agonal socket securely. Then move the wrench handle in the
direction of arrow (loosening direction of tensioner).

CAUTION:

Never place hand in a location where pinching may occur if
the holding tool accidentally comes off.

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Water pump pulley

Drive belt auto-tensioner

Crankshaft pulley

A/C compressor

Drive belt

Idler pulley

Alternator

View

Indicator

Range when new drive belt is in-
stalled

Possible use range

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