Infiniti FX35, FX50 (S51). Manual — part 925

SERVICE DATA AND SPECIFICATIONS (SDS)

EC-1241

< SERVICE DATA AND SPECIFICATIONS (SDS)

[VK50VE]

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SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

Idle Speed

INFOID:0000000005237671

*: Under the following conditions

• A/C switch: OFF

• Electric load: OFF (Lights, heater fan & rear window defogger)

• Steering wheel: Kept in straight-ahead position

Ignition Timing

INFOID:0000000005237672

*: Under the following conditions

• A/C switch: OFF

• Electric load: OFF (Lights, heater fan & rear window defogger)

• Steering wheel: Kept in straight-ahead position

Calculated Load Value

INFOID:0000000005237673

Mass Air Flow Sensor

INFOID:0000000005237674

*: Engine is warmed up to normal operating temperature and running under no load.

Condition

Specification

No load* (in P or N position)

650

±

50 rpm

Condition

Specification

No load* (in P or N position)

15

±

5

°

BTDC

Condition

Specification (Using CONSULT-III or GST)

At idle

5 – 35%

At 2,500 rpm

5 – 35%

Supply voltage

Battery voltage (11 – 14 V)

Output voltage at idle

0.8 – 1.1 V*

Mass air flow (Using CONSULT-III or GST)

2.0 – 6.0 g·m/sec at idle*

7.0 – 20.0 g·m/sec at 2,500 rpm*

EM-1

ENGINE

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SECTION

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CONTENTS

ENGINE MECHANICAL

VQ35HR

SYMPTOM DIAGNOSIS . . . . . . . ...

5

NOISE, VIBRATION AND HARSHNESS
(NVH) TROUBLESHOOTING . . . . . . . .

5

NVH Troubleshooting - Engine Noise . . . . ....

5

Use the Chart Below to Help You Find the C
ause of the Symptom . . . . . . . . . . . ..

5

PRECAUTION . . . . . . . . . . . ...

7

PRECAUTIONS . . . . . . . . . . . . ...

7

Precaution for Procedure without Cowl Top Cover

. ..

7

Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" . . . . . . . . . . . . . . . . ...

7

Precaution Necessary for Steering Wheel Rota-
tion after Battery Disconnect . . . . . . . . .....

7

Draining Engine Coolant . . . . . . . . . . ..

8

Disconnecting Fuel Piping . . . . . . . . . ...

8

Removal and Disassembly . . . . . . . . . ..

8

Inspection, Repair and Replacement . . . . . ..

8

Assembly and Installation . . . . . . . . . ....

8

Parts Requiring Angle Tightening . . . . . . ...

9

Liquid Gasket . . . . . . . . . . . . . . ...

9

Definitions of Bank Names . . . . . . . . . ..

10

PREPARATION . . . . . . . . . . ...

11

PREPARATION . . . . . . . . . . . . ..

11

Special Service Tools . . . . . . . . . . .

11

Commercial Service Tools . . . . . . . . . .

12

PERIODIC MAINTENANCE . . . . . . .

15

DRIVE BELT . . . . . . . . . . . . . ...

15

Exploded View . . . . . . . . . . . . . .

15

Checking . . . . . . . . . . . . . . . . .

15

Tension Adjustment . . . . . . . . . . . .

15

Removal and Installation . . . . . . . . . . .

15

Inspection . . . . . . . . . . . . . . . .

16

AIR CLEANER FILTER . . . . . . . . . .

17

Removal and Installation . . . . . . . . . . .

17

SPARK PLUG . . . . . . . . . . . . ...

18

Exploded View . . . . . . . . . . . . . . .

18

Removal and Installation . . . . . . . . . . .

18

Inspection . . . . . . . . . . . . . . . .

19

CAMSHAFT VALVE CLEARANCE . . . . ..

20

Inspection and Adjustment . . . . . . . . . ..

20

COMPRESSION PRESSURE . . . . . . ...

25

Inspection . . . . . . . . . . . . . . . .

25

REMOVAL AND INSTALLATION . . . ...

27

ENGINE COVER . . . . . . . . . . . ...

27

Exploded View . . . . . . . . . . . . . . .

27

Removal and Installation . . . . . . . . . . .

27

DRIVE BELT AUTO TENSIONER AND IDLER
PULLEY . . . . . . . . . . . . . . . .

28

Exploded View . . . . . . . . . . . . . . .

28

Removal and Installation . . . . . . . . . . .

28

AIR CLEANER AND AIR DUCT . . . . . ...

29

Exploded View . . . . . . . . . . . . . . .

29

Removal and Installation . . . . . . . . . . .

29

Inspection . . . . . . . . . . . . . . . .

30

INTAKE MANIFOLD COLLECTOR . . . . ..

31

Exploded View . . . . . . . . . . . . . . .

31

Removal and Installation . . . . . . . . . . .

31

INTAKE MANIFOLD . . . . . . . . . . .

34

Exploded View . . . . . . . . . . . . . . .

34

Removal and Installation . . . . . . . . . . .

34

Inspection . . . . . . . . . . . . . . . .

35

EXHAUST MANIFOLD . . . . . . . . . ..

36

Exploded View . . . . . . . . . . . . . . .

36

Removal and Installation . . . . . . . . . . .

36

Inspection . . . . . . . . . . . . . . . .

38

EM-2

FUEL INJECTOR AND FUEL TUBE . . . . .

40

Exploded View . . . . . . . . . . . . . ....

40

Removal and Installation . . . . . . . . . ....

40

Inspection . . . . . . . . . . . . . . . ...

45

OIL PAN (LOWER) AND OIL STRAINER . . .

46

Exploded View . . . . . . . . . . . . . ....

46

Removal and Installation . . . . . . . . . ....

47

Inspection . . . . . . . . . . . . . . . ...

49

IGNITION COIL, SPARK PLUG AND ROCK-
ER COVER . . . . . . . . . . . . . . .

50

Exploded View . . . . . . . . . . . . . ....

50

Removal and Installation . . . . . . . . . ....

50

TIMING CHAIN . . . . . . . . . . . . ..

53

Exploded View . . . . . . . . . . . . . ....

53

Removal and Installation . . . . . . . . . ....

54

Inspection . . . . . . . . . . . . . . . ...

68

CAMSHAFT . . . . . . . . . . . . . ...

70

Exploded View . . . . . . . . . . . . . ....

70

Removal and Installation . . . . . . . . . ....

70

Inspection . . . . . . . . . . . . . . . ...

74

OIL SEAL . . . . . . . . . . . . . . ...

79

VALVE OIL SEAL . . . . . . . . . . . . . .

79

VALVE OIL SEAL : Removal and Installation . . .

79

FRONT OIL SEAL . . . . . . . . . . . . . .

79

FRONT OIL SEAL : Removal and Installation . ....

79

REAR OIL SEAL . . . . . . . . . . . . . ...

80

REAR OIL SEAL : Removal and Installation . . ..

80

UNIT REMOVAL AND INSTALLATION . .

82

ENGINE ASSEMBLY . . . . . . . . . . .

82

2WD . . . . . . . . . . . . . . . . . . ...

82

2WD : Exploded View . . . . . . . . . . . .

82

2WD : Removal and Installation . . . . . . . .

82

2WD : Inspection . . . . . . . . . . . . ....

86

AWD . . . . . . . . . . . . . . . . . . ..

86

AWD : Exploded View . . . . . . . . . . ....

87

AWD : Removal and Installation . . . . . . . .

87

AWD : Inspection . . . . . . . . . . . . ....

91

UNIT DISASSEMBLY AND ASSEMBLY .

92

ENGINE STAND SETTING . . . . . . . .

92

Setting . . . . . . . . . . . . . . . . ....

92

ENGINE UNIT . . . . . . . . . . . . .

94

Disassembly . . . . . . . . . . . . . . ...

94

Assembly . . . . . . . . . . . . . . . ....

94

REAR TIMING CHAIN CASE . . . . . . .

95

Exploded View . . . . . . . . . . . . . ....

95

Disassembly . . . . . . . . . . . . . . ...

96

Assembly . . . . . . . . . . . . . . . ....

97

OIL PAN (UPPER) . . . . . . . . . . .

100

2WD . . . . . . . . . . . . . . . . . . .

100

2WD : Exploded View . . . . . . . . . . ...

100

2WD : Disassembly and Assembly . . . . . ...

100

2WD : Inspection . . . . . . . . . . . . ...

102

AWD . . . . . . . . . . . . . . . . . .

102

AWD : Exploded View . . . . . . . . . . ...

103

AWD : Disassembly and Assembly . . . . . ...

103

AWD : Inspection . . . . . . . . . . . . ..

106

CYLINDER HEAD . . . . . . . . . . . .

107

Exploded View . . . . . . . . . . . . . ..

107

Disassembly and Assembly . . . . . . . . ..

107

Inspection . . . . . . . . . . . . . . . ..

114

CYLINDER BLOCK . . . . . . . . . . ..

117

Exploded View . . . . . . . . . . . . . ..

117

Disassembly and Assembly . . . . . . . . ..

118

Inspection . . . . . . . . . . . . . . . ..

126

HOW TO SELECT PISTON AND BEARING ...

136

Description . . . . . . . . . . . . . . .

136

Piston . . . . . . . . . . . . . . . . .

136

Connecting Rod Bearing . . . . . . . . . .

137

Main Bearing . . . . . . . . . . . . . .

139

SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . .

142

SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . . .

142

General Specification . . . . . . . . . . ...

142

Drive Belt . . . . . . . . . . . . . . . ..

142

Spark Plug . . . . . . . . . . . . . . .

143

Intake Manifold . . . . . . . . . . . . . ..

143

Exhaust Manifold . . . . . . . . . . . . ..

143

Camshaft . . . . . . . . . . . . . . . ...

143

Cylinder Head . . . . . . . . . . . . . ..

145

Cylinder Block . . . . . . . . . . . . . ..

147

Main Bearing . . . . . . . . . . . . . .

151

Connecting Rod Bearing . . . . . . . . . .

152

VK50VE

SYMPTOM DIAGNOSIS . . . . . . ...

153

NOISE, VIBRATION AND HARSHNESS
(NVH) TROUBLESHOOTING . . . . . . ...

153

NVH Troubleshooting - Engine Noise . . . .

153

Use the Chart Below to Help You Find the C
ause of the Symptom . . . . . . . . . . ..

153

PRECAUTION . . . . . . . . . . ...

155

PRECAUTIONS . . . . . . . . . . . .

155

Precaution for Procedure without Cowl Top Cover .

155

Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" . . . . . . . . . . . . . . . ...

155

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Precaution Necessary for Steering Wheel Rota-
tion after Battery Disconnect . . . . . . . . .

155

Precaution for Drain Engine Coolant and Engine
Oil . . . . . . . . . . . . . . . . . . ..

156

Precaution for Disconnecting Fuel Piping . . . .

156

Precaution for Removal and Disassembly . . .

156

Precaution for Inspection, Repair and Replace-
ment . . . . . . . . . . . . . . . . . ..

156

Precaution for Assembly and Installation . . . ..

156

Parts Requiring Angle Tightening . . . . . . .

157

Precaution for Liquid Gasket . . . . . . . . .

157

Definitions of Bank Names . . . . . . . . .

158

PREPARATION . . . . . . . . . . .

159

PREPARATION . . . . . . . . . . . .

159

Special Service Tool . . . . . . . . . . . .

159

Commercial Service Tool . . . . . . . . . ..

160

PERIODIC MAINTENANCE . . . . . ...

163

DRIVE BELTS . . . . . . . . . . . . ..

163

Exploded View . . . . . . . . . . . . . ..

163

Checking . . . . . . . . . . . . . . . ...

163

Tension Adjustment . . . . . . . . . . . ..

164

Removal and Installation . . . . . . . . . ...

164

Inspection . . . . . . . . . . . . . . . ..

164

AIR CLEANER FILTER . . . . . . . . .

166

Removal and Installation . . . . . . . . . ...

166

SPARK PLUG . . . . . . . . . . . . ..

167

Exploded View . . . . . . . . . . . . . ..

167

Removal and Installation . . . . . . . . . ...

167

Inspection . . . . . . . . . . . . . . . ..

168

CAMSHAFT VALVE CLEARANCE . . . . .

169

Inspection . . . . . . . . . . . . . . . ..

169

COMPRESSION PRESSURE . . . . . . ..

173

Inspection . . . . . . . . . . . . . . . ..

173

REMOVAL AND INSTALLATION . . . .

174

ENGINE ROOM COVER . . . . . . . . ..

174

Exploded View . . . . . . . . . . . . . ..

174

Removal and Installation . . . . . . . . . ...

175

DRIVE BELT AUTO TENSIONER AND IDLER
PULLEY . . . . . . . . . . . . . . .

176

Exploded View . . . . . . . . . . . . . ..

176

Removal and Installation . . . . . . . . . ...

176

AIR CLEANER AND AIR DUCT . . . . . ..

177

Exploded View . . . . . . . . . . . . . ..

177

Removal and Installation . . . . . . . . . ...

177

Inspection . . . . . . . . . . . . . . . ..

178

INTAKE MANIFOLD . . . . . . . . . . .

179

Exploded View . . . . . . . . . . . . . ..

179

Removal and Installation . . . . . . . . . ...

180

FUEL INJECTOR AND FUEL TUBE . . . ..

182

Exploded View . . . . . . . . . . . . . ...

182

Removal and Installation . . . . . . . . . ...

182

Inspection . . . . . . . . . . . . . . . ..

187

OIL PAN (LOWER) AND OIL STRAINER . ..

188

Exploded View . . . . . . . . . . . . . ...

188

Removal and Installation . . . . . . . . . ...

189

Inspection . . . . . . . . . . . . . . . ..

190

IGNITION COIL, SPARK PLUG AND ROCK-
ER COVER . . . . . . . . . . . . . ..

191

Exploded View . . . . . . . . . . . . . ...

191

Removal and Installation . . . . . . . . . ...

191

OIL SEAL . . . . . . . . . . . . . .

194

FRONT OIL SEAL . . . . . . . . . . . . .

194

FRONT OIL SEAL : Removal and Installation . ...

194

REAR OIL SEAL . . . . . . . . . . . . . ..

194

REAR OIL SEAL : Removal and Installation . . .

195

UNIT REMOVAL AND INSTALLATION .

196

ENGINE ASSEMBLY . . . . . . . . . ..

196

Exploded View . . . . . . . . . . . . . ...

196

Removal and Installation . . . . . . . . . ...

196

Inspection . . . . . . . . . . . . . . . ..

200

UNIT DISASSEMBLY AND ASSEMBLY ..

202

ENGINE STAND SETTING . . . . . . . .

202

Setting . . . . . . . . . . . . . . . . ...

202

ENGINE UNIT . . . . . . . . . . . . ..

204

Disassembly . . . . . . . . . . . . . . ..

204

Assembly . . . . . . . . . . . . . . . ...

204

EXHAUST MANIFOLD AND THREE WAY
CATALYST . . . . . . . . . . . . . ..

205

Exploded View . . . . . . . . . . . . . ...

205

Disassembly and Assembly . . . . . . . . ...

205

Inspection . . . . . . . . . . . . . . . ..

207

OIL PAN (UPPER) . . . . . . . . . . ..

208

Exploded View . . . . . . . . . . . . . ...

208

Disassembly and Assembly . . . . . . . . ...

209

Inspection . . . . . . . . . . . . . . . ..

210

TIMING CHAIN . . . . . . . . . . . .

212

Exploded View . . . . . . . . . . . . . ...

212

Disassembly and Assembly . . . . . . . . ...

213

Inspection . . . . . . . . . . . . . . . ..

225

CAMSHAFT . . . . . . . . . . . . . .

227

Exploded View . . . . . . . . . . . . . ...

227

Disassembly and Assembly . . . . . . . . ...

228

Inspection . . . . . . . . . . . . . . . ..

236

CYLINDER HEAD . . . . . . . . . . ...

245

Exploded View . . . . . . . . . . . . . ...

245