Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Xterra 2005-2007.2009 Approved Nissan Xterra 2009 EM

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EM


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ENGINE




                                                                                                                             EM
                                                                                                                                                                  A


                                                                                                                                                                  EM
                                                                                                   SECTION
                                                                                           ENGINE MECHANICAL                                                      C


                                                                                                                                                                  D


                                                                                                                                                                  E
                                                                    CONTENTS
                                VQ40DE                                                 Removal and Installation ........................................14
                                                                                                                                                    .             F

PRECAUTION .............................................. 3
                                                     .                               SPARK PLUG ................................................... 15
                                                                                       Exploded View ........................................................15
                                                                                                                                                         .
                                                                                                                                                                  G
PRECAUTIONS .................................................. 3
                                                         .                             Removal and Installation ........................................15
                                                                                                                                                         .
  Precaution for Supplemental Restraint System
  (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-                                            CAMSHAFT VALVE CLEARANCE .................. 17
  SIONER" .................................................................. 3
                                                                          .            Valve Clearance .....................................................17
                                                                                                                                                        .         H
  Precaution for Drain Engine Coolant ........................ 3          .
                                                                                     COMPRESSION PRESSURE ........................... 21
  Precaution for Disconnecting Fuel Piping ................ 3             .
                                                                                       Compression Pressure ...........................................21
                                                                                                                                                   .
  Precaution for Removal and Disassembly ............... 3                .                                                                                        I
  Precaution for Inspection, Repair and Replace-                                     ON-VEHICLE REPAIR ................................ 23
                                                                                                                                    .
  ment ......................................................................... 3
                                                                          .
  Precaution for Assembly and Installation ................. 3            .          ENGINE ROOM COVER ................................... 23                     J
  Parts Requiring Angle Tightening ............................ 4         .            Removal and Installation ........................................23
                                                                                                                                                    .
  Precaution for Liquid Gasket .................................... 4     .
                                                                                     AIR CLEANER AND AIR DUCT ....................... 24
PREPARATION ........................................... 6
                                                   .                                   Exploded View ........................................................24
                                                                                                                                                         .        K
                                                                                       Removal and Installation ........................................24
                                                                                                                                                         .
PREPARATION .................................................. 6
                                                         .
  Special Service Tool ................................................ 6
                                                                 .                   INTAKE MANIFOLD COLLECTOR .................. 25                              L
  Commercial Service Tool ......................................... 8
                                                                 .                     Exploded View ........................................................25
                                                                                                                                                         .
                                                                                       Removal and Installation ........................................25
                                                                                                                                                         .
FUNCTION DIAGNOSIS ............................. 10
                                             .
                                                                                     INTAKE MANIFOLD ......................................... 28                 M
NOISE, VIBRATION AND HARSHNESS                                                         Exploded View ........................................................28
                                                                                                                                                         .
(NVH) TROUBLESHOOTING ...........................10
                                             .                                         Removal and Installation ........................................28
                                                                                                                                                         .
  NVH Troubleshooting - Engine Noise .................... 10       .                                                                                              N
  Use the Chart Below to Help You Find the Cause                                     EXHAUST MANIFOLD AND THREE WAY
  of the Symptom ...................................................... 10
                                                                   .                 CATALYST ........................................................ 30
                                                                                       Exploded View ........................................................30
                                                                                                                                                         .
ON-VEHICLE MAINTENANCE ................... 12
                                       .                                               Removal and Installation ........................................30
                                                                                                                                                         .        O

DRIVE BELTS ...................................................12
                                                           .                         OIL PAN AND OIL STRAINER ......................... 34
  Exploded View ....................................................... 12
                                                                      .                Exploded View ........................................................34
                                                                                                                                                         .        P
  Checking Drive Belts .............................................. 12
                                                                      .                Removal and Installation ........................................34
                                                                                                                                                         .
  Adjustment ............................................................. 12
                                                                      .
  Removal and Installation ........................................ 12.              IGNITION COIL ................................................. 39
  Drive Belt Auto Tensioner and Idler Pulley ............ 13          .                Exploded View ........................................................39
                                                                                                                                                         .
                                                                                       Removal and Installation ........................................39
                                                                                                                                                         .
AIR CLEANER FILTER .....................................14
                                                    .
  Exploded View ....................................................... 14
                                                                   .                 ROCKER COVER ............................................. 40

Revision: October 2008                                                         EM-1                                                             2009 Xterra
  Exploded View ....................................................... 40
                                                                    .          Disassembly and Assembly ................................... 95
                                                                                                                                          .
  Removal and Installation ....................................... 40
                                                                    .          Inspection After Disassembly ................................. 97
                                                                                                                                          .

FUEL INJECTOR AND FUEL TUBE ................ 44
                                         .                                   REMOVAL AND INSTALLATION ............. 102
  Exploded View ....................................................... 44
                                                                    .
  Removal and Installation ....................................... 44
                                                                    .        ENGINE ASSEMBLY ...................................... 102
                                                                                                                                 .
                                                                               Exploded View ..................................................... 102
                                                                                                                                                 .
FRONT TIMING CHAIN CASE ......................... 49
                                              .                                Removal and Installation ...................................... 102
                                                                                                                                                 .
  Exploded View ....................................................... 49
                                                                    .
  Removal and Installation ....................................... 50
                                                                    .        DISASSEMBLY AND ASSEMBLY ........... 106
TIMING CHAIN ................................................. 59
                                                           .                 ENGINE UNIT .................................................. 106
                                                                                                                                         .
  Exploded View ....................................................... 59
                                                                    .          Exploded View ..................................................... 106
                                                                                                                                                 .
  Removal and Installation ....................................... 60
                                                                    .          Disassembly and Assembly ................................. 107    .
                                                                               Inspection After Disassembly ............................... 117  .
CAMSHAFT ...................................................... 79
                                                            .                  Dowel Pin Alignment ............................................ 127
                                                                                                                                                 .
  Exploded View ....................................................... 79
                                                                    .
  Removal and Installation ....................................... 80
                                                                    .        HOW TO SELECT PISTON AND BEARING .. 129
                                                                               How to Select Piston and Bearing ....................... 129
                                                                                                                                      .
OIL SEAL .......................................................... 88
                                                                .
  Removal and Installation of Valve Oil Seal ............ 88
                                                      .                      SERVICE DATA AND SPECIFICATIONS
  Removal and Installation of Front Oil Seal ............ 88
                                                      .                      (SDS) ......................................................... 134
  Removal and Installation of Rear Oil Seal ............. 89
                                                      .
                                                                             SERVICE DATA AND SPECIFICATIONS
CYLINDER HEAD ............................................. 91
                                                        .                    (SDS) ............................................................... 134
                                                                                                                                                .
  Exploded View ....................................................... 91
                                                                    .          Standard and Limit ............................................... 134
                                                                                                                                                .
  Removal and Installation ....................................... 91
                                                                    .
  Exploded View ....................................................... 95
                                                                    .




Revision: October 2008                                                  EM-2                                                           2009 Xterra
                                              PRECAUTIONS
< PRECAUTION >                                                                                          [VQ40DE]

PRECAUTION                                                                                                                     A
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT                                                    EM
PRE-TENSIONER"                                                                                       INFOID:0000000004063557



The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along                                  C
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.                      D
Information necessary to service the system safely is included in the SR and SB section of this Service Man-
ual.
WARNING:                                                                                                                       E



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