Infiniti M45 (Y34). Manual — part 542
SERVICE DATA AND SPECIFICATIONS (SDS)
EM-105
C
D
E
F
G
H
I
J
K
L
M
A
EM
SERVICE DATA AND SPECIFICATIONS (SDS)
PFP:00030
Standard and Limit
ABS000M4
GENERAL SPECIFICATIONS
INTAKE MANIFOLD AND EXHAUST MANIFOLD
Unit: mm (in)
DRIVE BELTS
Cylinder arrangement
V-8
Displacement
cm
3
(cu in)
4,494 (274.22)
Bore and stroke
mm (in)
93 x 82.7 (3.66 x 3.256)
Valve arrangement
DOHC
Firing order
1-8-7-3-6-5-4-2
Number of piston rings
Compression
2
Oil
1
Number of main bearings
5
Compression ratio
10.5
Compression pressure
kPa (kg/cm
2
, psi)/300 rpm
Standard
1,320 (13.5, 191)
Minimum
1,130 (11.5, 164)
Differential limit
between cylinders
98 (1.0, 14)
Cylinder number
Valve timing
Unit: degree
a
b
c
d
e
f
228
240
0
60
0
48
SEM957C
PBIC0187E
Limit
Surface distortion
Intake manifold upper
0.1 (0.004)
Intake manifold lower
0.1 (0.004)
Exhaust manifold
0.3 (0.012)
Tension of drive belts
Auto adjustment by auto tensioner
EM-106
SERVICE DATA AND SPECIFICATIONS (SDS)
CAMSHAFT AND CAMSHAFT BEARING
Unit: mm (in)
*: Total indicator reading
Valve Lifter
Unit: mm (in)
Valve Clearance
Unit: mm (in)
*: Approximately 20
°
C (68
°
F)
Standard
Limit
Camshaft runout [TIR*]
—
0.02 (0.0008)
Cam height “A”
Intake
44.865 - 45.055 (1.7663 - 1.7738)
Cam wear
Exhaust
43.925 - 44.115 (1.7293 - 1.7368)
0.2 (0.008)
Outer diameter of camshaft journal
No.1
25.938 - 25.955 (1.0212 - 1.0218)
—
No.2, 3, 4, 5
25.953 - 25.970 (1.0218 - 1.0224)
—
Inner diameter of camshaft bracket
26.000 - 26.021 (1.0236 - 1.0244)
—
Camshaft journal oil clearance
No. 1
0.045 - 0.083 (0.0018 - 0.0033)
—
No. 2, 3, 4, 5
0.030 - 0.068 (0.0012 - 0.0027)
—
Camshaft end play
0.115 - 0.188 (0.0045 - 0.0074)
—
Camshaft sprocket runout [TIR*]
—
0.15 (0.0059)
SEM671
Standard
Valve lifter outer diameter
33.965 - 33.975 (1.3372 - 1.3376)
Valve lifter hole diameter
34.000 - 34.016 (1.3386 - 1.3392)
Valve lifter clearance
0.025 - 0.051 (0.0010 - 0.0020)
Hot
Cold* (reference data)
Intake
0.304 - 0.416 (0.012 - 0.016)
0.26 - 0.34 (0.010 - 0.013)
Exhaust
0.308 - 0.432 (0.012 - 0.017)
0.29 - 0.37 (0.011 - 0.015)
SERVICE DATA AND SPECIFICATIONS (SDS)
EM-107
C
D
E
F
G
H
I
J
K
L
M
A
EM
Available Shims
Thickness
mm (in)
Identification mark
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 (0.0996)
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
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
2.67 (0.1051)
267
2.68 (0.1055)
268
2.69 (0.1059)
269
2.70 (0.1063)
270
2.71 (0.1067)
271
2.72 (0.1071)
272
2.73 (0.1075)
273
2.74 (0.1079)
274
EM-108
SERVICE DATA AND SPECIFICATIONS (SDS)
CYLINDER HEAD
Unit: mm (in)
2.75 (0.1083)
275
2.76 (0.1087)
276
2.77 (0.1091)
277
2.78 (0.1094)
278
2.79 (0.1098)
279
2.80 (0.1102)
280
2.81 (0.1106)
281
2.82 (0.1110)
282
2.83 (0.1114)
283
2.84 (0.1118)
284
2.85 (0.1122)
285
2.86 (0.1126)
286
2.87 (0.1130)
287
2.88 (0.1134)
288
2.89 (0.1138)
289
2.90 (0.1142)
290
2.91 (0.1146)
291
2.92 (0.1150)
292
2.93 (0.1154)
293
2.94 (0.1157)
294
2.95 (0.1161)
295
Thickness
mm (in)
Identification mark
SEM966E
Limit
Cylinder head distortion
0.1 (0.004)
PBIC0183E
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