2010 NISSAN LATIO Service Repair Manual

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NISSAN LATIO 2010 Service Repair Manual EM-130
< SERVICE INFORMATION >[MR18DE]
NOISE, VIBRATION AND HARSHNESS
(NVH) TROUBLESHOOTING
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting - Engine NoiseINFOID:0000000005398

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NISSAN LATIO 2010 Service Repair Manual NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGEM-131
< SERVICE INFORMATION > [MR18DE]
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OUse the Chart Below to Help You
Find the Cause of the SymptomINFOID:00000000

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGEM-131
< SERVICE INFORMATION > [MR18DE]
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Find the Cause of the SymptomINFOID:0000000005398109
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 relatedD. Drive belt
E. Crankshaft pulleyF. A/C compressor
G. Water pump H. GeneratorI. Tension pulley
J. Valve mechanism K. Valves
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
CA—AB—
Tappet
noiseValve clearance
EM-223
Rattle C A — A B C Camshaft
bearing
noiseCamshaft journal oil
clearance
Camshaft runout
EM-166EM-166
Crank-
shaft pul-
ley
Cylinder
block
(Side of
engine)
Oil panSlap or
knock
—A—BB—
Piston pin
noisePiston to piston pin oil
clearance
Connecting rod bushing
oil clearance
EM-212
EM-212
Slap or
rap
A——BBA
Piston
slap noisePiston to cylinder bore
clearance
Piston ring side clear-
ance
Piston ring end gap
Connecting rod bend
and torsion EM-212EM-212
EM-212
EM-212
Knock A B C B B B
Connect-
ing rod
bearing
noiseConnecting rod bushing
oil clearance
Connecting rod bearing
oil clearance
EM-212EM-212
Knock A B — A B C
Main bear-
ing noiseMain bearing oil clear-
ance
Crankshaft runout EM-212EM-212
Front of
engine
Front cov-
erTapping or
ticking
AA—BBB Timing
chain and
chain ten-
sioner
noiseTiming chain cracks
and wear
Timing chain tensioner
operation
EM-157
Front of
engineSqueak-
ing or fizz-
ing
AB—B—C Drive belt
(Sticking
or slip-
ping)Drive belt deflection
EM-132
CreakingA B ABAB Drive belt
(Slipping)Idler pulley bearing op-
eration
Squall
Creak AB—BAB Water
pump
noiseWater pump operation
CO-44
Revision: January 20102010 Versa

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NISSAN LATIO 2010 Service Repair Manual EM-132
< SERVICE INFORMATION >[MR18DE]
DRIVE BELTS
DRIVE BELTS
ComponentINFOID:0000000005398110
Checking Drive BeltsINFOID:0000000005398111
WARNING:
Be sure to perform this step
when the engine is st

EM-132
< SERVICE INFORMATION >[MR18DE]
DRIVE BELTS
DRIVE BELTS
ComponentINFOID:0000000005398110
Checking Drive BeltsINFOID:0000000005398111
WARNING:
Be sure to perform this step
when the engine is stopped.
NOTE:
On vehicles not equipped with A/C, there is an idler pulley in the position for the drive belt routing.
• Make sure that the indicator (notch on fixed side) of drive belt auto-tensioner is within the possible use
range.
NOTE:
• Check the drive belt auto-tensioner indication when the engine is cold.
• When new drive belt is installed, the indicator (notch on fixed side) should be within the range.
• Visually check entire drive belt for wear, damage or cracks.
• If the indicator (notch on fixed side) is out of t he possible use range or belt is damaged, replace drive belt.
Tension AdjustmentINFOID:0000000005398112
Belt tension is not necessary, as it is automatically adjusted by drive belt auto-tensioner.
Removal and InstallationINFOID:0000000005398113
REMOVAL
1. Remove fender protector (RH). Refer to EI-24, "Removal and Installation".
2. Hold the hexagonal part (A) of drive belt auto-tensioner (1) with a wrench securely. Then move the wrench handle in the direc-
tion of arrow (loosening direction of tensioner).
WARNING:
Never place hand in a location where pinching may occur if
the holding tool acci dentally comes off.
CAUTION:
Do not loosen the auto-tensione r pulley bolt. (Do not turn it
counterclockwise.) If turned counterclockwise, the com-
plete auto-tensioner must be replaced as a unit, including
pulley.
3. Insert a rod such as short-length screwdriver approximately 6 mm (0.24 in) in diameter into the hole (B) of t he retaining boss to fix drive belt auto-tensioner.
• Leave tensioner pulley arm locked until belt is installed again.
4. Remove drive belt.
INSTALLATION
1. Generator 2. Drive belt auto–tensioner 3. Crankshaft pulley
4. A/C compressor (models with A/C)
Idler pulley (models without A/C) 5. Water pump
6. Drive belt
A. Possible use range B. Range when new drive belt is installed C. Indicator
PBIC3137J
PBIC3936E
Revision: January 20102010 Versa

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NISSAN LATIO 2010 Service Repair Manual DRIVE BELTSEM-133
< SERVICE INFORMATION > [MR18DE]
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1. Install drive belt.
CAUTION:
Confirm drive belt is completely set to pulleys.
2. Release drive belt auto-tensioner

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NISSAN LATIO 2010 Service Repair Manual EM-134
< SERVICE INFORMATION >[MR18DE]
DRIVE BELTS
Use TORX socket (size T50).
5. Remove idler pulley and bracket (models without A/C). CAUTION:
Do not loosen the auto-tensioner pulley bolt. (Do no t

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NISSAN LATIO 2010 Service Repair Manual AIR CLEANER AND AIR DUCTEM-135
< SERVICE INFORMATION > [MR18DE]
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AIR CLEANER AND AIR DUCT
ComponentINFOID:0000000005398116
Removal and InstallationINFOID:000000000539811

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NISSAN LATIO 2010 Service Repair Manual EM-136
< SERVICE INFORMATION >[MR18DE]
AIR CLEANER AND AIR DUCT
INSTALLATION
Installation is in the reverse order of removal.
• Align marks.
• Attach each joint securely.
• Screw clamps firmly.

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NISSAN LATIO 2010 Service Repair Manual INTAKE MANIFOLDEM-137
< SERVICE INFORMATION > [MR18DE]
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INTAKE MANIFOLD
ComponentINFOID:0000000005398119
Removal and InstallationINFOID:0000000005398120
REMOVAL
WARNING:

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