2010 NISSAN LATIO Service Repair Manual

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Page 2369 of 3745

NISSAN LATIO 2010 Service Repair Manual EM-10
< PREPARATION >[HR16DE]
PREPARATION
Tool name
Description
Power tool Loosening bolts and nuts
Spark plug wrench Removing and installing spark plug
Valve seat cutter set Finishing valve seat dime

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NISSAN LATIO 2010 Service Repair Manual PREPARATIONEM-11
< PREPARATION > [HR16DE]
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Acoustic tension gauge
Checking drive belt tension
Anti-seize lubricant (Permatex 133AR
or equivalent meeting MIL specifica-

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NISSAN LATIO 2010 Service Repair Manual EM-12
< SYMPTOM DIAGNOSIS >[HR16DE]
NOISE, VIBRATION AND HARSHNESS
(NVH) TROUBLESHOOTING
SYMPTOM DIAGNOSIS
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting - Engine NoiseINFOI

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NISSAN LATIO 2010 Service Repair Manual NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGEM-13
< SYMPTOM DIAGNOSIS > [HR16DE]
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Use the Chart Below to Help You
Find the Cause of the SymptomINFOID:0000000005

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NISSAN LATIO 2010 Service Repair Manual EM-14
< ON-VEHICLE MAINTENANCE >[HR16DE]
DRIVE BELTS
ON-VEHICLE MAINTENANCE
DRIVE BELTS
CheckingINFOID:0000000005398037
• Inspection should be done only when engine is cold or over 30
minutes after

EM-14
< ON-VEHICLE MAINTENANCE >[HR16DE]
DRIVE BELTS
ON-VEHICLE MAINTENANCE
DRIVE BELTS
CheckingINFOID:0000000005398037
• Inspection should be done only when engine is cold or over 30
minutes after the engine is stopped.
• Visually check belts for wear, damage, and cracks on inside and edges.
• Turn crankshaft pulley two times clockwise, and make sure tension on all pulleys is equal before doing the test.
• When measuring deflection, apply 98 N (10 kg, 22 lb) at the ( ) marked point.
• Measure the belt tension and frequency with acous tic tension gauge at the ( ) marked point.
CAUTION:
• When the tension and frequency are measured, the acoustic tension gauge should be used.
• When checking immediately after installation, first ad just it to the specified value. Then, after turning
crankshaft two turns or more, re-adjust to the specified value to avoid variation in deflection
between pulleys.
Tension AdjustmentINFOID:0000000005398038
CAUTION:
• When belt is replaced with new one, adjust belt tension to the value for “New belt”, because new belt will not fully seat in the pulley groove.
• When tension of the belt being used exceeds “Limit”, adjust it to the value for “After adjusted”.
• When installing a belt, make sure it is correctly engaged with the pulley groove.
• Never allow oil or engine coolant to get on the belt.
• Never twist or bend the belt strongly.
1. Loosen the idler pulley lock nut (A) from the tightening position with the specified torque by 45 degrees.
CAUTION:
1 : Generator
2: Water pump
3 : Crankshaft pulley
4: A/C compressor (with A/C models)
: Idler pulley (without A/C models)
5 : Idler pulley
6: Drive belt
Belt Deflection / Belt Tension and Frequency : Refer to EM-111, "Drive Belts".
PBIC3642E
LocationLocation of adjuster and tightening method
Drive belt Adjusting bolt on idler pulley
1 : Generator
2: Water pump
3 : Crankshaft pulley
4 : A/C compressor
(with A/C models)
: Idler pulley (without A/C models)
5 : Idler pulley
6 : Drive belt
A : Idler pulley lock nut
B : Adjusting bolt
PBIC3643E
Revision: January 20102010 Versa

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NISSAN LATIO 2010 Service Repair Manual DRIVE BELTSEM-15
< ON-VEHICLE MAINTENANCE > [HR16DE]
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• When the lock nut is loosened excessively, the idle
r pulley tilts and the correct tension adjust-
ment cannot

DRIVE BELTSEM-15
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• When the lock nut is loosened excessively, the idle
r pulley tilts and the correct tension adjust-
ment cannot be performed. Never loo sen it excessively (more than 45 degrees).
• Put a matching mark on the lock nut, and check turning angle with a protractor. Never visually
check the tightening angle.
2. Adjust the belt tension by turning the adjusting bolt. CAUTION:
• When checking immediately after in stallation, first adjust it to the specified value. Then, after
turning crankshaft two turns or more, re-adjust to the specified value to avoid variation in deflec-
tion between pulleys.
• When the tension adjustment is performed, the lo ck nut should be in the condition at step“2”. If
the tension adjustment is performed when the lo ck nut is loosened more than the standard, the
idler pulley tilts and the correct tens ion adjustment cannot be performed.
3. Tighten the idler pulley lock nut.
Removal and InstallationINFOID:0000000005398039
REMOVAL
1. Loosen the idler pulley lock nut (A), and then adjust the belt ten- sion by turning the adjusting bolt (B).
2. Remove drive belt.
INSTALLATION
1. Pull the idler pulley in the loosening direction, and then tempo- rarily tighten the idler pulley lock nut (A) to the following torque.
NOTE:
Do not move the lock nut from the tightened position. Proceed to step “2”.
2. Install the drive belt to each pulley. CAUTION:
• Make sure that there is no oil, grease, or coolant, etc. in pulley grooves.
• Make sure that the belt is securely inside the groove on each pulley.
3. Adjust drive belt tension by turning the adjusting bolt. Refer to EM-14, "
Tension Adjustment".
CAUTION: Idler pulley lock nut : 34.8 N·m (3.5 kg-m, 26 ft-lb)
1 : Generator
2: Water pump
3 : Crankshaft pulley
4
: A/C compressor (with A/C models)
: Idler pulley (without A/C models)
5 : Idler pulley
6: Drive belt
PBIC3643E
1 : Generator
2: Water pump
3 : Crankshaft pulley
4 : A/C compressor (with A/C models)
: Idler pulley (without A/C models)
5 : Idler pulley
6: Drive belt
B : Adjusting bolt
Idler pulley lock nut : 4.4 N·m (0.45 kg-m, 39 in-lb)
(temporary tightening)
PBIC3643E
Revision: January 20102010 Versa

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NISSAN LATIO 2010 Service Repair Manual EM-16
< ON-VEHICLE MAINTENANCE >[HR16DE]
DRIVE BELTS
• Perform the belt tension adjustment with the lock
nut temporarily tightened at the step “1” so as
not to tilt the idler pulley.
• When c

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NISSAN LATIO 2010 Service Repair Manual AIR CLEANER FILTEREM-17
< ON-VEHICLE MAINTENANCE > [HR16DE]
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AIR CLEANER FILTER
Removal and InstallationINFOID:0000000005398040
REMOVAL
1. Push the tabs (A) of both ends

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