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