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

 

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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

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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

 

 

 

 

 

 

 

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