2009 NISSAN LATIO service

EM-168< SERVICE INFORMATION >
[MR18DE]
TIMING CHAIN
• Install front oil seal (2) using a suitable tool with outer diameter 57 mm (2.24 in) and inner diameter 45 mm (1.77 in) (A) to the
dimension shown.
CAUTION:
• Be careful not to damage front cover and crankshaft.
• Press-fit oil seal straight to avoid causing burrs or tilting.
• Never touch grease applied onto oil seal lip.
12. Install new O-ring to cylinder block. CAUTION:
Be sure O-rings are aligned properly.
13. Apply the sealant without breaks to the specified location using Tool.
Use Genuine Silicone RTV Seal ant or equivalent. Refer to
GI-42, " Recommended Chemical
Product and Sealant " .
14. Make sure that matching marks of timing chain and each sprocket are still aligned. CAUTION:
• Make sure O-ring on cylinder block is correctly installed.
• Be careful not to damage front oil seal by interference with front end of crankshaft.
1 : Front cover
: Engine front
Within 0.3 mm (0.012 in) toward engine front
Within 0.5 mm (0.020 in) toward engine rear PBIC3729E
Tool number WS39930000 ( – )
A : Liquid gasket application area
B : Liquid gasket
: Engine outside PBIC3959E

TIMING CHAIN
EM-169
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15. Install front cover, and tighten bolts in two stages to specified
torque in numerical order as shown.
CAUTION:
• Attaching should be done wi thin 5 minutes after liquid
gasket application.
• Be sure to wipe off any excessive liquid gasket leaking.
NOTE:
Installation position of bolts is as shown.
16. Install crankshaft pulley using the following procedure.
a. Install crankshaft pulley. CAUTION:
• Never damage front oil seal lip section.
• If needed use a plastic hammer, tap on its cente r portion (not circumference) to seat crankshaft
pulley.
b. Apply new engine oil to thread and seat surfaces of crankshaft pulley bolt.
c. Secure crankshaft pulley (1) using Tool (A).
d. Tighten crankshaft pulley bolt in two steps.
• For angle tightening, put a paint mark (B) on crankshaft pulley(2), matching with any one of six easy to recognize angle
marks (A) on crankshaft pulley bolt flange (1).
• Turn 60 degrees clockwise (angle tightening).
• Check the tightening angle with movement of one angle mark.
e. Make sure that crankshaft rotates clockwise smoothly.
17. Installation of the remaining components is in the reverse order of removal. M6 bolts : No. 1
M10 bolts : No. 6, 7, 10, 11, 14
M12 bolts : No. 2, 4, 8, 12
M8 bolts : Except the above PBIC3164J
Tool Number : KV10109300 ( — )
Step 1 : 29.4 N·m (3.0 kg-m, 22 ft-lb)
Step 2 : 60 ° clockwise PBIC3961E
PBIC3963E

CAMSHAFT
EM-173
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• Measure the inner diameter 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 camshaft or cylinder head, or both. NOTE:
Camshaft bracket cannot be replaced as a single part , because it is machined together with cylinder head.
Replace whole cylinder head assembly.
Camshaft End Play 1. Install camshaft in cylinder head.
2. Install dial indicator in thrust direction on front end of camshaft. Read the end play of dial indicator (A) when camshaft is moved
forward/backward (in direction to axis).
• Measure the following parts if out of the standard.
- Dimension (A) for groove of cylinder head No. 1 journal
- Dimension (B) for camshaft flange
• Apply the standards above, and then replace camshaft and/or cylinder head, if necessary.
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 cam shaft sprocket) because it has a different diameter
from the other four locations. B : Measuring direction of inner diameter
Standard: No. 1 : 28.000 - 28.021 mm (1.1024 - 1.1032 in)
No. 2, 3, 4, 5 : 25.000 - 25.021 mm (0.9843 - 0.9851 in) PBIC3180J
Standard:
No. 1 : 0.045 - 0.086 mm (0.0018 - 0.0034 in)
No. 2, 3, 4, 5 : 0.030 - 0.071 mm (0.0012 - 0.0028 in)
Limit:
: 0.15 mm (0.0059 in)
Standard : 0.075 - 0.153 mm (0.0030 - 0.0060 in)
Limit : 0.24 mm (0.0094 in) PBIC3181J
Standard : 4.000 - 4.030 mm (0.1575 - 0.1587 in)
Standard : 3.877 - 3.925 mm (0.1526 - 0.1545 in) PBIC3183J

EM-174< SERVICE INFORMATION >
[MR18DE]
CAMSHAFT
2. Measure the camshaft sprocket runout with a dial indicator (A). (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-178," Valve Clearance " .
Valve Lifter Clearance
VALVE LIFTER OUTER DIAMETER
• Measure the outer diameter of valve lifter with a micrometer (A).
VALVE LIFTER HOLE DIAMETER
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.
INSTALLATION
1. Install valve lifters. • Install them in the original positions.
2. Install camshafts. Limit : 0.15 mm (0.0059 in)
PBIC3182J
KBIA0182E
Standard:
Intake : 33.977 - 33.987 mm (1.3377 - 1.3381 in)
Exhaust : 29.977 - 29.987 mm (1.1802 - 1.1806 in) PBIC3185J
Standard:
Intake : 34.000 - 34.021 mm (1.3386 - 1.3394 in)
Exhaust : 30.000 - 30.021 mm (1.1811 - 1.1819 in)
Standard: 0.013 - 0.044 mm (0.0005 - 0.0017 in) PBIC3184J

EM-176< SERVICE INFORMATION >
[MR18DE]
CAMSHAFT
5. Install camshaft bracket bolts in three stage in numerical order as shown.
• There are two types of bolts. Locate the bolts as shown.
6. Tighten all bolts in numerical order in three steps.
7. Install the camshaft sprocket (INT) (2) to the camshaft (INT). NOTE:
Align the matching mark (A) applied during removal. Securely
align the knock pin and the pin hole, and then install them.
8. Tighten camshaft (INT) sprocket bolt. NOTE:
Secure the hexagonal part of camshaft (INT) using wrench to tighten bolt.
9. Turn 67 degrees clockwise (angle tightening) using Tool (B).
CAUTION:
Never judge by visual inspect ion without an angle wrench.
: Engine front
M6 bolts [thread length: 57.5 mm (2.264 in)] : 13, 14 and 15
M6 bolts [thread length: 35.00 mm (1.378 in)] : Except the above
Step 1 : 1.96 N·m (0.20 kg-m, 17 in-lb)
Step 2 : 5.88 N·m (0.60 kg-m, 52 in-lb)
Step 3 : 9.5 N·m (0.97 kg-m, 84 in-lb)
1 : Camshaft bracket : Engine front PBIC3176J
PBIC3992J
Camshaft sprocket bolt (INT) : 35.0 N·m (3.6 kg-m, 26 ft-lb)
1 : Camshaft sprocket (INT)
A : Camshaft (INT) hexagonal part
Tool number : KV10112100 (BT-8653-A) PBIC3455J

CAMSHAFT
EM-177
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10. Install camshaft sprocket (EXH) (2).
NOTE:
Secure the hexagonal part (A) of camshaft (EXH) using wrench
to tighten bolt.
11. Install timing chain and related parts. Refer to EM-160 .
12. Inspect and adjust valve clearance. Refer to EM-178, " Valve Clearance " .
13. Installation of the remaining components is in the reverse order of removal.
INSPECTION AFTER INSTALLATION The following are procedures for chec king 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 GI-42, " Recommended Chemical Product and Sealant " .
• 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, check 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 leak age 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 detected in self-diagnostic results of CONSULT-III
and it is directed according to inspect ion procedure of EC section. Refer to EC-638, " Diagnosis Pro-
cedure " (Type 1) or
EC-1153, " Diagnosis Procedure " (Type 2).
• Check when engine is cold so as to pr event burns from the splashing engine oil.
1. Check engine oil level. Refer to LU-16, " Inspection " .
2. Perform the following procedure so as to prevent the engine from being unintentionally started while checking.
a. Remove intake manifold. Refer to EM-141, " Component " .
b. Disconnect ignition coil and in jector harness connectors.
3. Remove intake valve timing control solenoid valve. Refer to EM-160, " Component " .
1 : Camshaft sprocket (INT)
Camshaft sprocket
bolt (EXH) : 88.2 N·m (9.0 kg-m, 65 ft-lb) PBIC3454J
Item Before starting engine Engine running After engine stopped
Engine coolant Level Leakage Level
Engine oil Level Leakage Level
Other oils and fluid* Level Leakage Level
Fuel Leakage Leakage Leakage
Exhaust gases — Leakage —

CAMSHAFT
EM-179
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• At the same time, make sure that both intake and exhaust cam
noses of No. 1 cylinder face inside ( ) as shown.
• If they do not face inside, rotate crankshaft pulley once more (360 degrees) and align as shown.
b. Use a feeler gauge, measure the clearance between valve lifter and camshaft.
Valve clearance: Unit: mm (in)
*: Approximately 80 °C (176 °F)
• By referring to the figure, measure the valve clearances at locations marked × as shown in the table below [locations indi-
cated with black arrow ( )] with a feeler gauge.
• No. 1 cylinder compression TDC
c. Set No.4 cylinder at TDC of its compression stroke. 1 : Camshaft (INT)
2 : Camshaft (EXH)
: Engine front PBIC3359J
PBIC3192J
Cold Hot * (reference data)
Intake 0.26 - 0.34 (0.010 - 0.013) 0.304 - 0.416 (0.012 - 0.016)
Exhaust 0.29 - 0.37 (0.011 - 0.015) 0.308 - 0.432 (0.012 - 0.017) Measuring position No. 1 CYL. No. 2 CYL. No. 3 CYL. No. 4 CYL.
No. 1 cylinder at
compression TDC EXH
× ×
INT × ×
A : Exhaust side
B : No.1 cylinder
C : No.2 cylinder
D : No.3 cylinder
E : No.4 cylinder
F : Intake side
: Engine front PBIC3193J

EM-180< SERVICE INFORMATION >
[MR18DE]
CAMSHAFT
• Rotate crankshaft pulley (1) one revolution (360 degrees) and align TDC mark (no paint) (B) to timing indicator (A) on front
cover.
• By referring to the figure, measure the valve clearance at loca- tions marked × as shown in the table below [locations indi-
cated with black arrow ( )] with a feeler gauge.
• No. 4 cylinder compression TDC
3. If out of standard, perform adjustment.
ADJUSTMENT
• Perform adjustment depending on selected head thickness of valve lifter.
1. Remove camshaft. Refer to EM-170, " Removal and Installation " .
2. Remove valve lifters at the locations that are out of the standard.
3. Measure the center thickness of the removed valve lifters with a micrometer (A).
4. Use the equation below to calculate valve lifter thickness for replacement. C : White paint mark (Not use for service) PBIC3960E
Measuring position No. 1 CYL. No. 2 CYL. No. 3 CYL. No. 4 CYL.
No. 4 cylinder at
compression TDC EXH
× ×
INT × ×
A : Exhaust side
B : No.1 cylinder
C : No.2 cylinder
D : No.3 cylinder
E : No.4 cylinder
F : Intake side
: Engine front PBIC3194J
PBIC3195J
Valve lifter thickness calculation: t = t
1 + (C 1 – C 2)
t = Valve lifter thickness to be replaced
t 1
= Removed valve lifter thickness
C 1
= Measured valve clearance
C 2
= Standard valve clearance: