NISSAN LATIO 2010 Service Repair Manual

EM-62
< ON-VEHICLE REPAIR >[HR16DE]
CAMSHAFT
5. Remove camshaft sprocket (INT) bolt and camshaft sprocket
(INT) (1).
CAUTION:
• Hold the camshaft hexagonal part (A), and then secure the
camshaft.
• Never rotate crankshaft and camshaft separately, so as
not to contact valve with pist on in the following steps.
6. Remove camshaft brackets (No. 2 to 5). • Loosen bolts in several steps in the reverse of the order
shown.
NOTE:
The camshaft bracket (No. 1) has been already removed.
7. Remove camshaft (EXH).
8. Remove camshaft (INT). CAUTION:
Never damage the signal plate of rear end.
9. Remove valve lifter. • Identify installation positions, and store them without mixing them up.
10. Remove intake valve timing control solenoid valve (1).
11. Remove the generator and bracket, if necessary, then remove the plug (2), washer and oil filter. Refer to SC-25, "
Removal and
Installation".
CAUTION:
Discard the washer, do not reuse.
INSTALLATION
1. Install the oil filter (1) and new washer (2). • The oil filter is assembled to the plug (3), and then install it tothe cylinder head.
CAUTION:
Do not reuse the washer, install a new washer.
2. Install intake valve timing control solenoid valve. • Insert it straightly into the cylinder head.
• Tighten bolts after placing it completely.
ALBIA0665ZZ
A : EXH side
B: INT side
: Engine front
PBIC3686E
PBIC3692E
PBIC3695E
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3. Install valve lifter.
• If it is reused, install in its original positions.
4. Put a matching mark for positioning the camshaft (INT) and the camshaft sprocket (INT) with the following procedure.
NOTE:
It prevents the knock pin from engaging with the incorr ect pin hole after installing the camshaft (INT) and
the camshaft sprocket (INT).
a. Put the matching marks (A) on a line extending from the knock pin position of camshaft (INT) (1) front surface.
• Put the marks on the visible position with the camshaftsprocket installed. (Example shown)
b. Put the matching marks on a line extending from the knock pin hole (B) position of camshaft sprocket (INT) (2). (Example
shown)
• Put the marks on the visible position with it installed to thecamshaft.
5. Install camshafts.
• Distinction between camshaft (INT and EXH) is performed withthe different shapes of rear end.
• Install camshafts to the cylinder head so that knock pins (A) on front end are positioned as shown.
NOTE:
Though camshaft does not stop at the portion as shown, for the
placement of cam nose, it is generally accepted camshaft is
placed for the same direction.
6. Install camshaft brackets (No. 2 to 5) aligning the identification marks on upper surface as shown.
• Install so that identification mark can be correctly read whenviewed from the INT side.
PBIC3696E
1 : Camshaft (EXH)
2 : Camshaft (INT)
A : Identification mark
PBIC3698E
1 : Camshaft (EXH)
2 : Camshaft (INT)
: Upper side
PBIC3699E
A : EXH side
B : INT side
: Engine front
PBIC3703E
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EM-64
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CAMSHAFT
7. Tighten bolts of camshaft brackets in the following steps, in
numerical order as shown.
a. Tighten No. 9 to 11 in numerical order.
b. Tighten No. 1 to 8 in numerical order.
c. Tighten all bolts in numerical order.
d. Tighten all bolts in numerical order.
8. Install the camshaft sprocket (INT) to the camshaft (INT) with the following procedure.
a. Align the matching mark (A) put according to step “4”. Securely align the knock pin and the pin hole, and then install them.
b. Temporarily tighten the camshaft sprocket (INT) bolt on the front side of camshaft sprocket (INT) (1).
c. Hold the camshaft hexagonal part (A), to secure the camshaft and tighten the bolt.
9. Install the camshaft sprocket (EXH) (1) to the camshaft (EXH) while aligning the matching mark (marked when timing chain is
removed) and the matching mark (stamp) of camshaft sprocket
(EXH).
• If the positions of knock pin and pin groove are not aligned,move the camshaft (EXH) slightly to correct these positions.
• Hold the camshaft hexagonal part (A), to secure the camshaft
and tighten the bolt.
CAUTION:
Make sure that the matching mark (marked when timing
chain is removed) and each camshaft sprocket matching
mark are in the correct location.
A: EXH side
B: INT side
: Engine front
Camshaft bracket bolts (9 - 11) : 1.96 N·m (0.20 kg-m, 17 in-lb)
Camshaft bracket bolts (1 - 8) : 1.96 N·m (0.20 kg-m, 17 in-lb)
Camshaft bracket bolts (all) : 5.88 N·m (0.60 kg-m, 52 in-lb)
Camshaft bracket bolts (all) : 10.4 N·m (1.1 kg-m, 8 ft-lb)
PBIC3686E
PBIC3700E
2 : Camshaft sprocket (INT)
ALBIA0665ZZ
ALBIA0659ZZ
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10. Install timing chain. Refer to
EM-49, "Removal and Installation".
11. Install the camshaft position sensor (PHASE) to the rear end of cylinder head. • Tighten bolts with it seated completely.
12. Check and adjust valve clearance. Refer to EM-20, "
Inspection and Adjustment".
13. Installation of the remaining components is in the reverse order of removal.
InspectionINFOID:0000000005398069
INSPECTION AFTER REMOVAL
Oil Filter
• Make sure that there is no foreign material on the oil filter (1) and check it for clogging.
• Check the oil filter (1) for damage.
• If there is some damage, replace t he oil filter (1), the plug, and the
washer as a set.
CAUTION:
Do not reuse the washer.
Camshaft Runout
1. Put V-block on a precise flat table, and support No. 2 and 5 jour- nals of camshaft.
CAUTION:
Never support No. 1 journal (on the side of camshaft
sprocket) because it has a different diameter from the other
four locations.
2. Set a dial indicator vertically to No. 3 journal.
3. Turn camshaft to one direction with hands, and measure the camshaft runout on the dial indicator. (Total indicator reading)
4. If it exceeds the limit, replace camshaft.
Camshaft Cam Height
1. Measure the camshaft cam height with a micrometer (A).
2. If wear exceeds the limit, replace camshaft.
Camshaft Journa l Oil Clearance
CAMSHAFT JOURNAL DIAMETER
PBIC3693E
Standard and Limit:
Refer to EM-112, "
Camshaft".
PBIC2499E
Standard and Cam wear Limit:
Refer to EM-112, "
Camshaft".
PBIC3178J
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EM-66
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CAMSHAFT
Measure the outer diameter of ca
mshaft journal with a micrometer
(A).
CAMSHAFT BRACKET INNER DIAMETER
• Tighten camshaft bracket bolts with the specified torque. Refer to EM-59, "
Removal and Installation".
• Measure inner diameter (B) of camshaft bracket with a bore gauge (A).
CAMSHAFT JOURNAL OIL CLEARANCE
• (Oil clearance) = (Camshaft bracket inner diameter) – (Camshaft journal diameter)
• If it exceeds the limit, replace either or both camshaft and cylinder head. NOTE:
Camshaft brackets cannot be replaced as single part s, because they are machined together with cylinder
head. Replace whole cylinder head assembly.
Camshaft End Play
1. Install camshaft in cylinder head. Refer to EM-59, "Removal and Installation".
2. Install a dial indicator (A) in thrust direction on front end of cam- shaft. Measure the camshaft end play on the dial indicator when
camshaft is moved forward/backward (in direction to axis).Standard: Refer to
EM-112, "
Camshaft".
PBIC3179J
Standard: Refer to EM-112, "Camshaft".
PBIC3180J
Standard and Limit: Refer to EM-112, "Camshaft".
Standard and Limit: Refer to EM-112, "
Camshaft".
PBIC3694E
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• Measure the following parts if out of the standard.
- Dimension “A” for cylinder head No. 1 journal bearing
- Dimension “B” for camshaft thrust
• Follow the standards above, and then replace camshaft and/or
cylinder head.
Camshaft Sprocket Runout
1. Put V-block on precise flat table, and support No. 2 and 5 journals of camshaft. CAUTION:
Never support No. 1 journal (on the side of camshaft sprocket) because it has a different diameter
from the other four locations.
2. Measure the camshaft sprocket runout with a dial indicator. (Total indicator reading)
• If it exceeds the limit, replace camshaft sprocket.
Valve Lifter
Check if surface of valve lifter has any wear or cracks.
• If anything above is found, replace valve lifter. Refer to EM-112,
"Camshaft".
Valve Lifter Clearance
VALVE LIFTER OUTER DIAMETER
Measure the outer diameter of valve lifter with a micrometer (A).
VALVE LIFTER HOLE DIAMETER Standard : 4.000 - 4.030 mm (0.1575 - 0.1587 in)
Standard : 3.877 - 3.925 mm (0.1526 - 0.1545 in)
KBIA3345J
Limit: Refer to EM-112, "Camshaft".
KBIA1493J
KBIA0182E
Standard: Refer to
EM-112, "Camshaft".
PBIC3185J
Revision: January 20102010 Versa

EM-68
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CAMSHAFT
Measure the diameter of valve lifter hole of cylinder head with an
inside micrometer (A).
VALVE LIFTER CLEARANCE
• (Valve lifter clearance) = (Valve lifter hole diameter) – (Valve lifter outer diameter)
• If out of the standard, referring to the each standard of va
lve lifter outer diameter and valve lifter hole diame-
ter, replace either or both valve lifter and cylinder head.
INSPECTION AFTER INSTALLATION
Inspection for Leaks
The following are procedures for checking fluids leak, lubricates leak.
• Before starting engine, check oil/fluid levels incl uding engine coolant and engine oil. If less than required
quantity, fill to the specified level. Refer to MA-14, "
Fluids and Lubricants".
• Use procedure below to check for fuel leakage.
- Turn ignition switch “ON” (with engine stopped). With fuel pressure applied to fuel piping, check for fuel leak-
age at connection points.
- Start engine. With engine speed increased, che ck again for fuel leakage at connection points.
• Run engine to check for unusual noise and vibration. NOTE:
If hydraulic pressure inside timing chain tensioner drops after removal/installation, slack in the guide may
generate a pounding noise during and just after engine start. However, this is normal. Noise will stop after
hydraulic pressure rises.
• Warm up engine thoroughly to make sure there is no leakage of fuel, or any oil/fluids including engine oil and
engine coolant.
• Bleed air from lines and hoses of applicable lines, such as in cooling system.
• After cooling down engine, again check oil/fluid levels including engine oil and engine coolant. Refill to the specified level, if necessary.
Summary of the inspection items:
*: Transmission/transaxle/CVT fluid, power steering fluid, brake fluid, etc.
Inspection of Camshaft Sprocket (INT) Oil Groove
CAUTION:
• Perform this inspection only when DTC P0011 is de tected in self-diagnostic results of CONSULT-III
and it is directed according to inspect ion procedure of EC section. Refer to EC-127, "
Diagnosis Pro-
cedure".
• Check when engine is cold so as to pr event burns from the splashing engine oil.
1. Check engine oil level. Refer to LU-7, "
Inspection".
2. Perform the following procedure so as to prevent the engine from being unintentionally started while
checking.
a. Release the fuel pressure. Refer to EC-496, "
Inspection".
Standard: Refer to
EM-112, "
Camshaft".
PBIC3184J
Standard: Refer to EM-112, "Camshaft".
Items Before starting engine Engine runningAfter engine stopped
Engine coolant LevelLeakage Level
Engine oil LevelLeakage Level
Other oils and fluid* LevelLeakage Level
Fuel LeakageLeakageLeakage
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b. Remove intake manifold. Refer to EM-28, "Exploded View".
c. Disconnect ignition coil and inject or harness connectors. Refer to EM-46, "
Exploded View".
3. Remove intake valve timing control solenoid valve. Refer to EM-49, "
Exploded View".
4. Crank engine, and then make sure that engine oil comes out from intake valve timing control solenoid valve hole (A). End
crank after checking.
WARNING:
Be careful not to touch rotating parts (drive belts, idler pul-
ley, and crankshaft pulley, etc.).
CAUTION:
• Prevent splashing by using a shop cloth so as to prevent the worker from injury from engine oil an d so as to prevent engine oil contamination.
• Prevent splashing by using a shop cloth so as to prevent engine oil from being splashed to
engine and vehicle. Especially, be careful not to apply engine oil to rubber parts of drive belts,
engine mounting insulator, etc. Wipe engine oil off immediately if it is splashed.
5. Perform the following inspection if engine oil does not come out from intake valve timing control solenoid
valve oil hole of the cylinder head.
• Remove oil filter, and then clean it. Refer to EM-65, "
Inspection".
• Clean oil groove between oil strainer and intake valve timing control solenoid valve. Refer to LU-6,
"Engine Lubrication System" and LU-6, "Engine Lubrication System Schematic".
6. Remove components between intake valve timing control solenoid valve and camshaft sprocket (INT), and then check each oil groove for clogging.
• Clean oil groove if necessary. Refer to LU-6, "
Engine Lubrication System" and LU-6, "Engine Lubrica-
tion System Schematic".
7. After inspection, installation is in the reverse order of removal.
1: Plug
:Engine front
PBIC3706E
Revision: January 20102010 Versa

EM-70
< ON-VEHICLE REPAIR >[HR16DE]
OIL SEAL
OIL SEAL
VALVE OIL SEAL
VALVE OIL SEAL : Remo
val and InstallationINFOID:0000000005398070
REMOVAL
1. Remove camshafts. Refer to EM-59, "Exploded View".
2. Remove valve lifters. Refer to EM-59, "
Exploded View".
3. Rotate crankshaft, and set piston whose valve oil seal is to be removed to TDC. This will prevent valve from dropping into cylinder.
CAUTION:
When rotating crankshaft, be careful to avo id scarring front cover with timing chain.
4. Remove valve collet. • Compress valve spring with Tool (A). Remove valve collet witha magnet hand (B).
CAUTION:
Be careful not to damage valve lifter holes.
5. Remove valve spring retainer, valve spring and valve spring seat. Refer to EM-76, "
Disassembly and
Assembly".
6. Remove valve oil seal with Tool (A).
INSTALLATION
1. Apply new engine oil to valve oil seal joint surface and seal lip.
2. Press in valve oil seal to the height “H” shown with Tool (A).
3. Installation of the remaining components is in the reverse order of removal.
FRONT OIL SEAL
Tool number : KV10116200 (J-26336-B)
: KV10115900 (J-26336-20)
: KV10109220 ( — )
PBIC3727E
Tool number : KV10107902 (J-38959) : KV10116100 ( — )
PBIC3728E
Height “H” : 13.2 - 13.8 mm (0.520 - 0.543 in)
Tool number : KV10115600 (J-38958)
PBIC3211J
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FRONT OIL SEAL : Removal and InstallationINFOID:0000000005398071
REMOVAL
1. Remove the following parts:
• Front wheel and tire (RH). Refer to WT-7, "
Adjustment".
• Front fender protector (RH): Refer to EI-24, "
Removal and Installation".
• Drive belt: Refer to EM-15, "
Removal and Installation".
• Crankshaft pulley: Refer to EM-49, "
Exploded View".
2. Remove front oil seal using a suitable tool. CAUTION:
Be careful not to damage fron t timing chain case and crankshaft.
INSTALLATION
1. Apply new engine oil to both oil seal lip and dust seal lip of new front oil seal.
2. Install front oil seal.
• Install front oil seal so that each seal lip is oriented as shown.
• Using a suitable drift, press-fit until the height of front oil seal
(2) is level with the mounting surface.
- Suitable drift (A): outer diameter 50 mm (1.97 in), inner diame- ter 44 mm (1.73 in).
• Make sure the garter spring is in position and seal lips not inverted
CAUTION:
• Be careful not to damage front timing chain case and
crankshaft.
• Press-fit straight and avoid cau sing burrs or tilting oil seal.
3. Installation of the remaining components is in the reverse order of removal.
REAR OIL SEAL
REAR OIL SEAL : Removal and InstallationINFOID:0000000005398072
REMOVAL
1. Remove transaxle assembly. Refer to AT-233, "Removal and Installation" (A/T), MT-17, "Removal and
Installation" (M/T).
2. Remove clutch cover and clutch disc (M/T). Refer to CL-16, "
Removal and Installation".
3. Remove flywheel (M/T) or drive plate (A/T). Refer to EM-89, "
Exploded View".
4. Remove rear oil seal with a suitable tool. CAUTION:
Be careful not to damage crankshaft and cylinder block.
INSTALLATION
A : Dust seal lip
B : Oil seal lip
: Engine outside
: Engine inside
PBIC3485J
1: Front cover : Engine outside
PBIC3729E
Revision: January 20102010 Versa