NISSAN LATIO 2009 Service Repair Manual

Main Bearing " .

HOW TO SELECT PISTON AND BEARING
EM-115
< DISASSEMBLY AND ASSEMBLY >
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In grinding crankshaft main jour
nal to use undersize bearings,
keep fillet R (A) [0.8 - 1.2 mm (0.031 - 0.047 in)].
Bearing undersize table: Refer to EM-125, " Main Bearing " .
PBIC3263J

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*: When engine is cold.
Spark Plug INFOID:0000000004784324
SPARK PLUG (PLATINUM-TIPPED TYPE) Unit: mm (in)
Exhaust Manifold INFOID:0000000004784325
EXHAUST MANIFOLD Unit: mm (in)
Camshaft INFOID:0000000004784326
CAMSHAFT Unit: mm (in)
Location
Tension adjustment * Unit: N (kg, lb) Frequency adjustment * Unit: Hz
Used belt New beltUsed belt
New belt
Limit After adjusted Limit After adjusted
Drive belt With A/C models 500 (51.0, 112)
876 - 964
(89.4 - 98.3,
197 - 217) 1064 - 1152
(108.5 - 117.5,
239 - 259) 173 229 - 239 253.5 - 261.5
Without A/C models 500 (51.0, 112) 876 - 964
(89.4 - 98.3, 197 - 217) 1064 - 1152
(108.5 - 117.5, 239 - 259) 194 257.5 - 267.5 283 - 293Make
Denso
Standard type FXE20HE-11
Gap (Nominal) 1.1 (0.043)Items Limit
Surface distortion Exhaust manifold 0.3 (0.012) Items
Standard Limit
Camshaft runout [TIR*] 0.02 (0.0008) 0.1 (0.004)
Camshaft cam height “A” Intake 41.705 - 41.895 (1.6419 - 1.6494) —
Exhaust 40.175 - 40.365 (1.5817 - 1.5892) —
Camshaft journal diameter No. 1 27.935 - 27.955 (1.0998 - 1.1006) —
No. 2, 3, 4, 5 24.950 - 24.970 (0.9823 - 0.9831) —
Camshaft bracket inner diameter No. 1 28.000 - 28.021 (1.1024 - 1.1032) —
No. 2, 3, 4, 5 25.000 - 25.021 (0.9843 - 0.9851) —
Camshaft journal oil clearance No. 1 0.045 - 0.086 (0.0018 - 0.0034)
0.15 (0.0059)
No. 2, 3, 4, 5 0.030 - 0.071 (0.0012 - 0.0028)

Items
Standard
Valve lifter outer diameter 29.977 - 29.987 (1.1802 - 1.1806)
Valve lifter hole diameter 30.000 - 30.021 (1.1811 - 1.1819)
Valve lifter clearance 0.013 - 0.044 (0.0005 - 0.0017) Items 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) Thickness mm (in) Identification mark
3.00 (0.1181) 300
3.02 (0.1189) 302
3.04 (0.1197) 304
3.06 (0.1205) 306
3.08 (0.1213) 308
3.10 (0.1220) 310
3.12 (0.1228) 312
3.14 (0.1236) 314
3.16 (0.1244) 316
3.18 (0.1252) 318
3.20 (0.1260) 320
3.22 (0.1268) 322
3.24 (0.1276) 324
3.26 (0.1283) 326
3.28 (0.1291) 328
3.30 (0.1299) 330
3.32 (0.1307) 332

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Cylinder Head
INFOID:0000000004784327
CYLINDER HEAD Unit: mm (in)
VALVE DIMENSIONS Unit: mm (in)
3.34 (0.1315) 334
3.36 (0.1323) 336
3.38 (0.1331) 338
3.40 (0.1339) 340
3.42 (0.1346) 342
3.44 (0.1354) 344
3.46 (0.1362) 346
3.48 (0.1370) 348
3.50 (0.1378) 350
Thickness mm (in) Identification mark Items Standard Limit
Head surface distortion — 0.1 (0.004)
Normal cylinder head height “H” 125.0 (4.92) —

Items
Standard Oversize (service) [0.2 (0.008)]
Valve guide Outer diameter 9.023 - 9.034 (0.3552 - 0.3557) 9.223 - 9.234 (0.3631 - 0.3635)
Inner diameter (Finished size) 5.000 - 5.018 (0.1969 - 0.1976)
Cylinder head valve guide hole diameter 8.975 - 8.996 (0.3533 - 0.3542) 9.175 - 9.196 (0.3612 - 0.3620)
Interference fit of valve guide 0.027 - 0.059 (0.0011 - 0.0023)
Items Standard Limit
Valve guide clearance Intake 0.020 - 0.053 (0.0008 - 0.0021)
0.1 (0.004)
Exhaust 0.030 - 0.063 (0.0012 - 0.0025)
Projection length “H” 11.4 - 11.8 (0.449 - 0.465)

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*
1
: Diameter made by intersection point of conic angles α1 and α2
* 2
: Diameter made by intersection point of conic angles α2 and α3
* 3
: Machining data
VALVE SPRING
Cylinder Block INFOID:0000000004784328
CYLINDER BLOCK Unit: mm (in)
Valve seat interference fit
Intake
0.081 - 0.113 (0.0032 - 0.0044)
Exhaust
Diameter “d1”* 1 Intake 29.0 (1.142)
Exhaust 23.0 (0.906)
Diameter “d2”* 2 Intake 30.6 - 30.8 (1.205 - 1.213)
Exhaust 24.9 - 25.1 (0.980 - 0.988)
Angle “ α1” Intake 60
°
Exhaust 45 °
Angle “ α2” Intake
89°45 ′ - 90 °15 ′
Exhaust
Angle “ α3” Intake
120°
Exhaust
Contacting width “W”* 3Intake 1.05 - 1.35 (0.0413 - 0.0531)
Exhaust 1.25 - 1.55 (0.0492 - 0.0610)
Height “h” Intake
6.0 (0.236) 5.45 (0.215)
Exhaust 5.43 (0.214)
Depth “H” 6.0 (0.236)Items Standard
Free height 42.26 mm (1.6638 in)
Installation height 32.40 mm (1.2756 in)
Installation load 136 - 154 N (13.9 - 15.7 kg, 31 - 35 lb)
Height during valve open 23.96 mm (0.9433 in)
Load with valve open 262 - 296 N (26.7 - 30.2 kg, 59 - 67 lb)
Items Limit
Valve spring squareness 1.8 mm (0.071 in) Cylinder block top surface distortion Limit 0.1 (0.004)

Item Standard Limit
Piston skirt diameter “A” 77.965 - 77.980 (3.0695 - 3.0701) —
Measure point “H” 37.1 (1.461) —
Piston pin hole diameter 19.006 - 19.012 (0.7483 - 0.7485) —
Piston to cylinder bore clearance 0.020 - 0.050 (0.0008 - 0.0020) 0.09 (0.0035)

SERVICE DATA AND SPECIFICATIONS (SDS)
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< SERVICE DATA AND SPECIFICATIONS (SDS)
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Unit: mm (in)
CONNECTING ROD Unit: mm (in)
CRANKSHAFT Unit: mm (in)
Piston pin outer diameter 18.996 - 19.002 (0.7479 - 0.7481)
Piston to piston pin oil clearance Standard 0.008 - 0.012 (0.0003 - 0.0005) Center distance
129.84 - 129.94 (5.11 - 5.12)
Bend [per 100 (3.94)] Limit 0.15 (0.0059)
Torsion [per 100 (3.94)] Limit 0.30 (0.0118)
Connecting rod small end clearance Standard –0.018 - –0.044 (–0.0007 - –0.0017)
Connecting rod small end inner diameter Standard 18.958 - 18.978 (0.7464 - 0.7472)
Connecting rod side clearance Standard 0.200 - 0.352 (0.0079 - 0.0139)
Connecting rod big end diameter Grade No. A
Grade No. B
Grade No. C
Grade No. D
Grade No. E
Grade No. F
Grade No. G
Grade No. H
Grade No. J
Grade No. K
Grade No. L
Grade No. M
Grade No. N 43.000 - 43.001 (1.6929 - 1.6929)
43.001 - 43.002 (1.6929 - 1.6930)
43.002 - 43.003 (1.6930 - 1.6930)
43.003 - 43.004 (1 6930 - 1.6931)
43.004 - 43.005 (1.6931 - 1.6931)
43.005 - 43.006 (1.6931 - 1.6931)
43.006 - 43.007 (1.6931 - 1.6932)
43.007 - 43.008 (1.6932 - 1.6932)
43.008 - 43.009 (1.6932 - 1.6933)
43.009 - 43.010 (1.6933 - 1.6933) 43.010 - 43.011 (1.6933 - 1.6933)
43.011 - 43.012 (1.6933 - 1.6934)
43.012 - 43.013 (1.6934 - 1.6934) Center distance “r”
41.68 - 41.76 (1.6409 - 1.6441)
Out-of-round Limit 0.003 (0.0001)
Taper Limit 0.004 (0.0002)
Runout [TIR*] Limit 0.10 (0.0039)
Crankshaft end play Standard 0.098 - 0.260 (0.0039 - 0.0102)
Limit 0.35 (0.0138) SEM645 PBIC3459J