NISSAN LATIO 2009 Service Repair Manual

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Use the Chart Below to Help You
Find the Cause of the Symptom INFOID:0000000004307122
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 D. Drive belt E. Crankshaft pulley F. A/C compressor
G. Water pump H. Generator I. 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 C A — A B —
Tappet
noise Valve clearance
EM-227 Rattle C A — A B C
Camshaft
bearing
noise Camshaft journal oil
clearance
Camshaft runout EM-170 EM-170
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-216 EM-216
Slap or
rap A — — B B A
Piston
slap noise Piston to cylinder bore
clearance
Piston ring side clear-
ance
Piston ring end gap
Connecting rod bend
and torsion EM-216 EM-216
EM-216
EM-216
Knock A B C B B B
Connect-
ing rod
bearing
noise Connecting rod bushing
oil clearance
Connecting rod bearing
oil clearance EM-216 EM-216
Knock A B — A B C
Main bear-
ing noise Main bearing oil clear-
ance
Crankshaft runout EM-216 EM-216
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-161Front of
engine Squeak-
ing or fizz-
ing A B — B — C Drive belt
(Sticking
or slip-
ping) Drive belt deflection
EM-136 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-43

PBIC3936E

DRIVE BELTS
EM-137
< SERVICE INFORMATION >
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1. Hold the hexagonal part (A) of drive belt auto-tensioner (1) with
a box wrench securely. Then move the wrench handle in the
direction of arrow (loosening direction of tensioner).
WARNING:
Never place hand in a location where pinching may occur if
the holding tool accidentally comes off.
2. Insert a rod such as short-length screwdriver approximately 6 mm (0.24 in) in diameter into the hole (B) of retaining boss to fix
drive belt auto-tensioner.
3. Install drive belt. CAUTION:
• Confirm drive belt is completely set to pulleys.
• Check for engine oil, working fluid and engine coolant are not adhered to drive belt and each
pulley groove.
4. Release drive belt auto-tensioner, and apply tension to drive belt.
5. Turn crankshaft pulley clockwise several times to equalize tension between each pulley.
6. Confirm tension of drive belt at indicator (notch on fixed side) is within the possible use range. Refer to
EM-136, " Checking Drive Belts " .
Component INFOID:0000000004307127
Removal and Installation of Drive Belt Auto Tensioner INFOID:0000000004307128
REMOVAL 1. Remove drive belt. Refer to EM-136, " Removal and Installation " .
2. Release the fixed drive belt auto-tensioner pulley.
3. Loosen bolt and remove drive belt auto-tensioner. NOTE: PBIC3936E
1. Front cover 2. Drive belt auto–tensioner 3. Idler pulley (models without A/C)
4. Bracket (models without A/C) 5. Shaft (models without A/C) PBIC4698E

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AIR CLEANER AND AIR DUCT
Component INFOID:0000000004307129
Removal and Installation INFOID:0000000004307130
REMOVAL 1. Remove the air duct (front).
2. Remove the air cleaner filter from the air cleaner case. Refer to EM-140, " Changing Air Cleaner Filter " .
3. Remove the air duct (inlet) from the air cleaner case.
4. Remove the PCV hose.
5. Remove the air duct. • Add marks as necessary for easier installation.
6. Remove air cleaner case with the following procedure.
a. Remove battery. Refer to SC-5 .
b. Disconnect harness connector from mass air flow sensor.
c. Remove the air cleaner case.
7. Remove the mass air flow sensor from the air cleaner case, if necessary. CAUTION:
• Handle it carefully and avoid impacts.
• Do not touch sensor part.
INSTALLATION Installation is in the reverse order of removal. 1. Air cleaner filter 2. Holder 3. Air cleaner cover
4. Seal 5. Mass air flow sensor 6. Air duct
7. PCV hose 8. Air duct (Inlet) 9. Air duct (Front)
10. Clip 11. Resonator 12. Grommet
13. Air cleaner case A. To electric throttle control actuator B. To rocker cover

EM-140< SERVICE INFORMATION >
[MR18DE]
AIR CLEANER AND AIR DUCT
• Align marks.
• Attach each joint securely.
• Screw clamps firmly.
Changing Air Cleaner Filter INFOID:0000000004307131
REMOVAL
1. Push the tabs (A) of both ends of the air cleaner cover (1) into the inside (B).
2. Pull up the air cleaner cover (1) and remove it (C).
3. Remove the air cleaner filter (1) and holder (2) assembly from the air cleaner case.
4. Remove the air cleaner filter (1) from the holder (2).
INSPECTION AFTER REMOVAL
It is necessary to replace the air cleaner filter at the recommended intervals, more often under dusty driving
conditions. Refer to MA-9, " Introduction of Periodic Maintenance " .
INSTALLATION
Installation is in the reverse order of removal.
• Install the air cleaner cover (1) in the direction shown.
• Air cleaner filter (2)
• Holder (3) PBIC3557J
PBIC3558J
PBIC3559J

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INTAKE MANIFOLD
Component INFOID:0000000004307132
Removal and Installation INFOID:0000000004307133
REMOVAL 1. Remove engine cover (1).
2. Remove air duct. Refer to EM-139, " Component " .
3. Drain engine coolant. Refer to CO-35, " Changing Engine Cool-
ant " .
CAUTION:
Perform this step when engine is cold.
NOTE:
This step is unnecessary when putting plugs to water hoses (to
electric throttle control actuator).
a. Disconnect water hoses from electr ic throttle control actuator.
b. Remove electric throttle control actuator. CAUTION:
• Handle electric throttle control act uator carefully and avoid impacts.
• Never disassemble or adjust elect ric throttle control actuator.
4. Remove oil level gauge. CAUTION:
Cover the oil level gauge guide openings to avoid entry of foreign materials.
1. PCV hose 2. Gasket 3. Intake manifold
4. Bracket 5. O-ring 6. EVAP canister purge volume control solenoid valve
7. Water hose 8. Water hose 9. Electric throttle control actuator
10. Gasket A. To water outlet WBIA0845E

INTAKE MANIFOLD
EM-143
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3. Tighten intake manifold bolt (A). Then tighten intake manifold
bolt (B).
4. Install electric throttle control actuator.
5. Install water hoses (3), (5) to electric throttle control actuator as shown.
6. Installation of the remaining components is in the reverse order of removal.
INSPECTION AFTER INSTALLATION • Check for leaks of engine coolant. Refer to CO-35, " Inspection " .
• Start and warm up the engine. Visually check for engine coolant leaks. 1 : Intake manifold
: Engine front
Intake manifold bolt (A) : 19.6 N·m (2.0 kg-m, 14 ft-lb)
Intake manifold bolt (B) : 19.6 N·m (2.0 kg-m, 14 ft-lb) PBIC3939E
1 : Electric throttle control actuator
2 : Clamp
4 : Water outlet
A : Paint Mark
B : The clamp shall not interfere with the bulged section. PBIC4703E