NISSAN ALMERA N16 2001 Electronic Repair Manual
Manufacturer: NISSAN, Model Year: 2001, Model line: ALMERA N16, Model: NISSAN ALMERA N16 2001Pages: 2493, PDF Size: 66.97 MB
Page 141 of 2493

SEM935F
7. Measure connecting rod side clearance.
Connecting rod side clearance:
Standard
0.200 - 0.470 mm (0.0079 - 0.0185 in)
Limit
0.5 mm (0.020 in)
If beyond the limit, replace connecting rod and/or crank-
shaft.
AEM248
8. Install rear oil seal retainer.
a. Before installing rear oil seal retainer, remove old liquid gasket
from cylinder block and retainer.
b. Apply a continuous bead of liquid gasket to rear oil seal
retainer.
+Use Genuine Liquid Gasket or equivalent.
+Apply around inner side of bolt holes.
9. Install crankshaft positon sensor (POS).
SEM936F
10. Install knock sensor.
CYLINDER BLOCKQG
Assembly (Cont'd)
EM-63
Page 142 of 2493

General SpecificationsNJEM0028
EngineQG15DE QG18DE
ClassificationGasoline
Cylinder arrangement4, in-line
Displacement
cm
3(cu in)1,497 (91.35) 1,769 (107.94)
Bore´stroke
mm (in)73.6´88.0 (2.898´3.465) 80.0´88.0 (3.150´3.465)
Valve arrangementDOHC
Firing order1-3-4-2
Number of piston ringsCompression 2
Oil 1
Number of main bearings5
Compression ratio9.5 (9.9*)
*: For QG15DE for Europe
EM120
abcde f
Valve timingQG18DE 222É 236É 0É (20É) 56É (36É) þ2É 44É
QG15DE 222É 222É 0É 42É þ2É 44É
( ): Valve timing control ON
Compression PressureNJEM0029Unit: kPa (bar, kg/cm2, psi)/350 rpm
Standard1,324 (13.24, 13.5, 192)
1,372 (13.720, 13.99, 198.9)*
Minimum1,128 (11.28, 11.5, 164)
1,176 (11.759, 11.99, 170.5)*
Difference limit between cylinders 98 (0.98, 1.0, 14)
*: For QG15DE
Belt DeflectionNJEM0045Unit: mm (in)
Applied engineUsed belt deflection
Deflection of new belt
LimitDeflection after adjust-
ment
AlternatorWith air conditioner
compressorQG15´18DE 8.1 (0.319)5.3 - 5.7
(0.209 - 0.224)4.5 - 5.0
(0.177 - 0.197)
Without air conditioner
compressorQG15´18DE 10.2 (0.402)6.5 - 7.0
(0.256 - 0.276)5.5 - 6.1
(0.217 - 0.240)
SERVICE DATA AND SPECIFICATIONS (SDS)QG
General Specifications
EM-64
Page 143 of 2493

Applied engineUsed belt deflection
Deflection of new belt
LimitDeflection after adjust-
ment
Power steering oil pumpQG15DE 8.5 (0.335)5.2 - 5.8
(0.205 - 0.228)4.6 - 5.2
(0.181 - 0.205)
QG18DE 7.1 (0.280)4.4 - 4.9
(0.173 - 0.193)3.9 - 4.4
(0.154 - 0.173)
Applied pushing force 98 N (10 kg, 22 lb)
Spark PlugNJEM0046
NGK Champion
TypeStandard BKR5E-11 RC10YC4
Hot BKR4E-11 Ð
Cold BKR6E-11 Ð
Plug gap mm (in)1.0 - 1.1 (0.039 - 0.043)
Cylinder HeadNJEM0030Unit: mm (in)
Standard Limit
Head surface flatness Less than 0.03 (0.0012) 0.1 (0.004)
Height 117.8 - 118.0 (4.638 - 4.646) Ð
SERVICE DATA AND SPECIFICATIONS (SDS)QG
Belt Deflection (Cont'd)
EM-65
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ValveNJEM0031VALVENJEM0031S01Unit: mm (in)
SEM188A
QG15DE QG18DE
Valve head diameter ªDºIntake28.9 - 29.2
(1.138 - 1.150)29.9 - 30.2
(1.177 - 1.189)
Exhaust23.9 - 24.2
(0.941 - 0.953)24.9 - 25.2
(0.980 - 0.992)
Valve length ªLºIntake 92.00 - 92.50 (3.6220 - 3.6417)
Exhaust 92.37 - 92.87 (3.6366 - 3.6563)
Valve stem diameter ªdºIntake 5.465 - 5.480 (0.2152 - 0.2157)
Exhaust 5.445 - 5.460 (0.2144 - 0.2150)
Valve face angle ªaº45É15¢- 45É45¢
Valve margin ªTº1 (0.04)
Valve margin ªTº limitMore than 0.5 (0.020 in)
Valve stem end surface grinding limit 0.2 (0.008)
VALVE SPRINGNJEM0031S02
Free height mm (in)40.0 (1.575)
Pressure N (kg, lb)
at height mm (in)Standard370.0 (37.73, 83.19)
at 23.64 (0.9307)
Limit347.8 (35.46, 78.19)
at 23.64 (0.9307)
Out-of-square mm (in)Less than 1.80 (0.0709)
VALVE LIFTERNJEM0031S10Unit: mm (in)
Valve lifter outside diameter 29.960 - 29.975 (1.1795 - 1.1801)
Lifter guide inside diameter 30.000 - 30.021 (1.1811 - 1.1819)
Clearance between valve lifter and valve lifter guide 0.025 - 0.065 (0.0010 - 0.0026)
SERVICE DATA AND SPECIFICATIONS (SDS)QG
Valve
EM-66
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VALVE CLEARANCE=NJEM0031S11Unit: mm (in)
For adjusting For checking
Hot Cold* (reference data) Hot
Intake 0.32 - 0.40 (0.013 - 0.016) 0.25 - 0.33 (0.010 - 0.013) 0.21 - 0.49 (0.008 - 0.019)
Exhaust 0.37 - 0.45 (0.015 - 0.018) 0.32 - 0.40 (0.013 - 0.016) 0.30 - 0.58 (0.012 - 0.023)
*: At a temperature of approximately 20ÉC (68ÉF)
Whenever valve clearances are adjusted to cold specifications, check that the clearances satisfy hot specifications and adjust
again if necessary.
VALVE GUIDENJEM0031S04Unit: mm (in)
MEM096A
Intake Exhaust
Standard Service Standard Service
Valve guideOuter diameter9.523 - 9.534
(0.3749 - 0.3754)9.723 - 9.734
(0.3828 - 0.3832)9.523 - 9.534
(0.3749 - 0.3754)9.723 - 9.734
(0.3828 - 0.3832)
Inner diameter
[Finished size]5.500 - 5.515 (0.2165 - 0.2171) 5.500 - 5.515 (0.2165 - 0.2171)
Cylinder head valve guide hole diameter9.475 - 9.496
(0.3730 - 0.3739)9.685 - 9.696
(0.3813 - 0.3817)9.475 - 9.496
(0.3730 - 0.3739)9.685 - 9.696
(0.3813 - 0.3817)
Interference fit of valve guide0.027 - 0.059
(0.0011 - 0.0023)0.027 - 0.049
(0.0011 - 0.0019)0.027 - 0.059
(0.0011 - 0.0023)0.027 - 0.049
(0.0011 - 0.0019)
Stem to guide clearance 0.020 - 0.050 (0.0008 - 0.0020) 0.040 - 0.070 (0.0016 - 0.0028)
Valve deflection limit (Dial gauge reading) 0.2 (0.008)
Projection length ªLº 11.5 - 11.7 (0.453 - 0.461)
AVAILABLE SHIMSNJEM0031S07
Thickness mm (in) Identification mark
2.00 (0.0787) 200
2.02 (0.0795) 202
2.04 (0.0803) 204
2.06 (0.0811) 206
2.08 (0.0819) 208
2.10 (0.0827) 210
2.12 (0.0835) 212
2.14 (0.0843) 214
2.16 (0.0850) 216
SERVICE DATA AND SPECIFICATIONS (SDS)QG
Valve (Cont'd)
EM-67
Page 146 of 2493

2.18 (0.0858) 218
2.20 (0.0866) 220
2.21 (0.0870) 221
2.22 (0.0874) 222
2.23 (0.0878) 223
2.24 (0.0882) 224
2.25 (0.0886) 225
2.26 (0.0890) 226
2.27 (0.0895) 227
2.28 (0.0898) 228
2.29 (0.0902) 229
2.30 (0.0906) 230
2.31 (0.0909) 231
2.32 (0.0913) 232
2.33 (0.0917) 233
2.34 (0.0921) 234
2.35 (0.0925) 235
2.36 (0.0929) 236
2.37 (0.0933) 237
2.38 (0.0937) 238
2.39 (0.0941) 239
2.40 (0.0945) 240
2.41 (0.0949) 241
2.42 (0.0953) 242
2.43 (0.0957) 243
2.44 (0.0961) 244
2.45 (0.0965) 245
2.46 (0.0969) 246
2.47 (0.0972) 247
2.48 (0.0976) 248
2.49 (0.0980) 249
2.50 (0.0984) 250
2.51 (0.0988) 251
2.52 (0.0992) 252
2.53 (0.0966) 253
2.54 (0.1000) 254
2.55 (0.1004) 255
2.56 (0.1008) 256
2.57 (0.1012) 257
2.58 (0.1016) 258
2.59 (0.1020) 259
SERVICE DATA AND SPECIFICATIONS (SDS)QG
Valve (Cont'd)
EM-68
Page 147 of 2493

2.60 (0.1024) 260
2.61 (0.1028) 261
2.62 (0.1031) 262
2.63 (0.1035) 263
2.64 (0.1039) 264
2.65 (0.1043) 265
2.66 (0.1047) 266
2.68 (0.1055) 268
2.70 (0.1063) 270
2.72 (0.1071) 272
2.74 (0.1079) 274
2.76 (0.1087) 276
2.78 (0.1094) 278
2.80 (0.1102) 280
2.82 (0.1110) 282
2.84 (0.1118) 284
2.86 (0.1126) 286
2.88 (0.1134) 288
2.90 (0.1142) 290
2.92 (0.1150) 292
2.94 (0.1157) 294
2.96 (0.1165) 296
2.98 (0.1173) 298
SERVICE DATA AND SPECIFICATIONS (SDS)QG
Valve (Cont'd)
EM-69
Page 148 of 2493

AEM236
VALVE SEATNJEM0031S05Unit: mm (in)
SEM573DASEM685G
Dia. QG15DE QG18DE
A 26.8 - 27.0 (1.055 - 1.063) 27.8 - 28.0 (1.094 - 1.102)
B 28.5 - 28.7 (1.122 - 1.130) 29.5 - 29.7 (1.161 - 1.169)
C 30.2 - 30.4 (1.189 - 1.197) 31.9 - 32.1 (1.256 - 1.264)
D 30.500 - 30.516 (1.2008 - 1.2014) 31.500 - 31.516 (1.2402 - 1.2408)
E 23.5 - 23.7 (0.925 - 0.933) 24.5 - 24.7 (0.9646 - 0.9724)
F 25.2 - 25.4 (0.992 - 1.000) 26.2 - 26.4 (1.031 - 1.039)
G 25.500 - 25.516 (1.0039 - 1.0046) 26.500 - 26.516 (1.043 - 1.0439)
SERVICE DATA AND SPECIFICATIONS (SDS)QG
Valve (Cont'd)
EM-70
Page 149 of 2493

VALVE SEAT RESURFACE LIMITNJEM0031S08Unit: mm (in)
AEM343
Depth (L)Intake 35.95 - 36.55 (1.4154 - 1.4390)
Exhaust 35.92 - 36.52 (1.4142 - 1.4378)
Camshaft and Camshaft BearingNJEM0032Unit: mm (in)
Engine modelQG
Cam height ªAºIntake 40.610 - 40.800 (1.5988 - 1.6063)
Exhaust 40.056 - 40.246 (1.5770 - 1.5845)
Cam wear limit0.20 (0.0079)
EM671
Standard Limit
Camshaft journal to bearing clearance 0.045 - 0.086 (0.0018 - 0.0034) 0.15 (0.0059)
Inner diameter of camshaft bearingNo. 1 28.000 - 28.021 (1.1024 - 1.1032)
Ð
No. 2 to No. 5 24.000 - 24.021 (0.9449 - 0.9457)
Outer diameter of camshaft journalNo. 1 27.935 - 27.955 (1.0998 - 1.1006)
Ð
No. 2 to No. 5 23.935 - 23.955 (0.9423 - 0.9431)
Camshaft runout [TIR*] Less than 0.02 (0.0008) 0.1 (0.004)
Camshaft end play 0.115 - 0.188 (0.0045 - 0.0074) 0.20 (0.0079)
*Total indicator reading
SERVICE DATA AND SPECIFICATIONS (SDS)QG
Valve (Cont'd)
EM-71
Page 150 of 2493

Cylinder BlockNJEM0033Unit: mm (in)
SEM171D
QG15DE QG18DE
Limit
Standard
Surface flatness Less than 0.03 (0.0012) 0.1 (0.004)
Height ªHº (nominal) 213.95 - 214.05 (8.4232 - 8.4271) Ð
Cylinder bore
inner diameterStandardGrade No. 1 73.600 - 73.610 (2.8976 - 2.8976) 80.000 - 80.010 (3.1496 - 3.1500)
0.2 (0.008) Grade No. 2 73.610 - 73.620 (2.8980 - 2.8984) 80.010 - 80.020 (3.1500 - 3.1504)
Grade No. 3 73.620 - 73.630 (2.8984 - 2.8988) 80.020 - 80.030 (3.1504 - 3.1508)
Out-of-round (X þ Y) Less than 0.015 (0.0006) Ð
Taper (A þ B) Less than 0.01 (0.0004) Ð
Difference in inner diameter between cylinders 0.05 (0.0020) 0.2 (0.008)
SERVICE DATA AND SPECIFICATIONS (SDS)QG
Cylinder Block
EM-72