NISSAN LATIO 2010 Service Repair Manual

EM-22
< ON-VEHICLE MAINTENANCE >[HR16DE]
CAMSHAFT VALVE CLEARANCE
• Thickness of new valve lifter (B) can be identified by stamp
mark (A) on the reverse side (inside the cylinder).
• Stamp mark “300” indicates 3.00 mm (0.118 in) in thickness.
NOTE:
Available thickness of valve lifter: 26 sizes range 3.00 to 3.50 mm (0.1181 to 0.1378 in) in steps of 0.02
mm (0.0008 in) (when manufactured at factory). Refer to EM-112, "
Camshaft".
5. Install the selected valve lifter.
6. Install camshaft. Refer to EM-59, "
Exploded View".
7. Manually rotate crankshaft pulley a few rotations.
8. Make sure that valve clearances for cold engine are wit hin specifications by referring to the specified val-
ues.
9. Install all removed parts in the reverse order of removal.
10. Warm up the engine, and check for unusual noise and vibration.
PBIC3196J
Revision: January 20102010 Versa

COMPRESSION PRESSUREEM-23
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COMPRESSION PRESSURE
InspectionINFOID:0000000005398044
1. Warm up engine thoroughly. Then, stop it.
2. Release fuel pressure. Refer to
EC-496, "
Inspection".
3. Remove ignition coil and spark plug from each cylinder. Refer to EM-46, "
Exploded View".
4. Connect an engine tachometer (not required in use of CONSULT-III).
5. Install a compression tester (B) with an adapter (commercial service tool) (A) onto spark plug hole.
• Use the adapter whose picking up end inserted to spark plughole is smaller than 20 mm (0.79 in) in diameter. Otherwise, it
may be caught by cylinder head during removal.
6. With accelerator pedal fully depressed, turn ignition switch to “START” for cranking. When the gauge pointer stabilizes, read the compression pressure and the engine rpm. Perform these steps to check each
cylinder.
CAUTION:
Always use fully a charged battery to obtain the specified engine speed.
• If the engine speed is out of the specified range, check battery liquid for proper gravity. Check engine speed again with normal battery gravity.
• If compression pressure is below minimum value, check valve clearances and parts associated with combustion chamber (Valve, valve seat, piston, pi ston ring, cylinder bore, cylinder head, cylinder head
gasket). After the checking, measure the compression pressure again.
• If some cylinder has low compression pressure, pour small amount of engine oil into the spark plug hole
of the cylinder to re-check it for compression.
- If the added engine oil improves the compression, piston rings may be worn out or damaged. Check pis-
ton rings and replace if necessary.
- If the compression pressure remains at low level despite the addition of engine oil, valves may be mal- functioning. Check valves for damage. Replace valve or valve seat accordingly.
• If two adjacent cylinders have respectively low compression pressure and their compression remains low even after the addition of engine oil, cylinder head gasket is leaking. In such a case, replace cylinder
head gasket.
7. After inspection is completed, install removed parts.
8. Start the engine, and confirm that the engine runs smoothly.
9. Perform trouble diagnosis. If DTC appears, erase it. Refer to EC-106, "
Description".
PBIC3730E
SBIA0533E
Compression Pressure: Refer to E M - 111 , "General Specification".
Revision: January 20102010 Versa

EM-24
< ON-VEHICLE REPAIR >[HR16DE]
DRIVE BELT IDLER PULLEY
ON-VEHICLE REPAIR
DRIVE BELT IDLER PULLEY
Exploded ViewINFOID:0000000005398045
Removal and InstallationINFOID:0000000005398046
REMOVAL
1. Remove drive belt. Refer to
EM-15, "Removal and Installation".
2. Remove the lock nut, and then remove the plate, idler pulley, and washer.
3. Remove the center shaft together with the spacer with inserting the adjusting bolt.
INSTALLATION
1 : Generator bracket
2 : Center shaft
3 : Spacer
4 : Adjusting bolt
5: Washer
6 : Idler pulley
7: Plate
PBIC3644E
Revision: January 20102010 Versa

DRIVE BELT IDLER PULLEYEM-25
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1. Insert the center shaft (1) into the slide groove of the spacer (2).
Fully screw in the adjusting bolt (3) in the belt loosening direc-
tion ( ).
• At that time, place the flange (a) of the adjusting bolt and theseat (b) of the center shaft on the spacer.
2. Place each surface (c, d) of the spacer on the generator bracket. Install the washer, idler pulley, and plate, and then temporarily
tighten the lock nut.
3. Installation is in the reverse order of removal. : 4.4 N·m (0.45 kg-m, 39 in-lb)
PBIC3885E
Revision: January 20102010 Versa

EM-26
< ON-VEHICLE REPAIR >[HR16DE]
AIR CLEANER AND AIR DUCT
AIR CLEANER AND AIR DUCT
Exploded ViewINFOID:0000000005398047
Removal and InstallationINFOID:0000000005398048
REMOVAL
1. Remove the battery. Refer to
SC-7, "Removal and Installation".
2. Remove the air duct (inlet).
3. Remove the air cleaner filter from the air cleaner case. Refer to EM-17, "
Removal and Installation".
4. Remove the air duct [between air duct (inlet) and air cleaner case] from the air cleaner case.
5. Remove the PCV hose.
6. Remove the air duct (between air cleaner case and electric throttle control actuator). • Add marks as necessary for easier installation.
7. Disconnect harness connector from mass air flow sensor.
8. Remove air cleaner case.
9. Remove the mass air flow sensor from the air cleaner case, if necessary. CAUTION:
• Handle mass air flow sensor carefully and avoid impacts.
• Never touch sensor part.
INSTALLATION
Installation is in the reverse order of removal.
1. Air cleaner filter 2. Mass air flow sensor 3. O-ring
4. Holder 5. Air cleaner cover 6. Air duct
7. PCV hose 8. Clip 9. Air duct (Inlet)
10. Grommet 11. Air duct 12. Grommet
13. Air cleaner case
A. To electric throttle control actuator B. To rocker cover
PBIC3645E
Revision: January 20102010 Versa

AIR CLEANER AND AIR DUCTEM-27
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• Align marks. Attach each joint. Screw clamps firmly.
InspectionINFOID:0000000005398049
INSPECTION AFTER REMOVAL
Inspect air ducts and air cleaner assembly for crack or tear.
• If anything found, replace air ducts and air cleaner assembly as necessary.
Revision: January 20102010 Versa

EM-28
< ON-VEHICLE REPAIR >[HR16DE]
INTAKE MANIFOLD
INTAKE MANIFOLD
Exploded ViewINFOID:0000000005398050
Removal and InstallationINFOID:0000000005398051
REMOVAL
1. Remove the air duct (inlet) and air duct (between air
cleaner case and electric throttle control actuator).
Refer to EM-26, "
Exploded View".
2. Remove the reservoir tank. Refer to CO-17, "
Component".
3. Remove the oil level gauge. CAUTION:
Cover the oil level gauge gu ide openings to avoid entry of foreign materials.
4. Remove electric throttle control actuator and position aside. CAUTION:
• Handle electric throttle control act uator carefully and avoid impacts.
• Never disassemble or adjust elect ric throttle control actuator.
5. Disconnect the harness connector and EVAP hose from the EVAP canister purge volume control solenoid
valve.
6. Disconnect vacuum hose for brake booster from intake manifold.
PBIC4737E
1. EVAP hose 2. Vacuum tank3. EVAP hose
4. O-ring 5.EVAP canister purge volume control
solenoid valve 6. Electric throttle control actuator
7. Water hose 8. Water hose 9. Gasket
10. Intake manifold support (rear) 11. Intake manifold 12. Intake manifold support (front)
13. Intake manifold support (center) 14. Cylinder head 15. Vacuum hose
16. Gasket
A. To centralized under-floor piping B. To brake booster C. To water outlet
Revision: January 20102010 Versa

INTAKE MANIFOLDEM-29
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7. Remove intake manifold support front (1) and bolt from rear (2).
• Bracket (2) is not removed. Remove bolt from intake manifold.
8. Remove intake manifold. • Loosen bolts in the reverse of the order shown.
9. Remove EVAP canister purge volume control solenoid valve from intake manifold, if necessary. CAUTION:
Handle EVAP canister purge volume control solenoid valve carefully and avoid impacts.
10. Remove intake manifold support (center) from cylinder head, if necessary. NOTE:
The intake manifold support (center) functions as the guide when the intake manifold is installed.
INSTALLATION
Installation is in the reverse order of removal.
Intake Manifold
1. Install the gasket to the intake manifold.• Align the protrusion (A) of gasket to the groove of intake mani-fold.
2. Place the intake manifold into the installation position. CAUTION:
Make sure that the oil level gauge guide is not disconnected from the fixing clip of water inlet due
to interference with intake manifold.
JPBIA0278ZZ
: Engine front
PBIC3652E
PBIC3651E
Revision: January 20102010 Versa

EM-30
< ON-VEHICLE REPAIR >[HR16DE]
INTAKE MANIFOLD
3. Tighten bolts in the numerical order shown.
4. Install intake manifold support (front and rear).
Electric Throttle Control Actuator
• Tighten bolts of electric throttle control actuator equally and diagonally in several steps.
• Perform “Throttle Valve Closed Position Learning” after repair when removing harness connector of the elec-
tric throttle control actuator. Refer to EC-25, "
THROTTLE VALVE CLOSED POSITION LEARNING : Special
Repair Requirement".
• Perform “Throttle Valve Closed Position Learning” and “Idle Air Volume Learning” after repair when replacing electric throttle control actuator. Refer to EC-25, "
THROTTLE VALVE CLOSED POSITION LEARNING :
Special Repair Requirement" and EC-26, "IDLE AIR VOLUME LEARNING : Special Repair Requirement".
: Engine front
PBIC3652E
Revision: January 20102010 Versa

EXHAUST MANIFOLDEM-31
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EXHAUST MANIFOLD
Exploded ViewINFOID:0000000005398052
Removal and InstallationINFOID:0000000005398053
REMOVAL
1. Remove the cowl. Refer to
EI-22, "Removal and Installation".
2. Remove heat insulator.
3. Remove exhaust front tube. Refer to EX-6, "
Component".
4. Remove the harness bracket of air fuel ratio sensor 1 from the cylinder head.
5. Remove exhaust manifold covers.
6. Remove the air fuel ratio sensor 1.
1. Exhaust manifold cover 2. Exhaust manifold cover3. Harness bracket
4. Air fuel ratio sensor 1 5. Exhaust manifold stay6. Exhaust manifold
7. Gasket 8. Stud bolt9. Heat insulator
: Engine front
PBIC4750E
Revision: January 20102010 Versa