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ENGINE LUBRICATION SYSTEM


B ENGINE

                                                                                                                                                                A




                                                            ENGINE LUBRICATION SYSTEM
                                                                                                    SECTION                   LU                                LU



                                                                                                                                                                C


                                                                                                                                                                D


                                                                                                                                                                E
                                                                 CONTENTS
PRECAUTIONS ......................................................... 2.         OIL COOLER ........................................................... 14
                                                                                                                                                       .        F
 Precautions for Liquid Gasket ................................. 2     .          Components (2WD Models) .................................. 14        .
   LIQUID GASKET APPLICATION PROCEDURE 2                               .....      Components (AWD Models) .................................. 15        .
PREPARATION .......................................................... 3
                                                                       .          Removal and Installation ....................................... 15  .        G
 Special Service Tools .............................................. 3.            REMOVAL .......................................................... 15
                                                                                                                                                       .
 Commercial Service Tools ....................................... 3    .            INSPECTION AFTER REMOVAL ...................... 16                 .
LUBRICATION SYSTEM ........................................... 4       .            INSTALLATION .................................................. 16 .
                                                                                                                                                                H
 Lubrication Circuit ................................................... 4
                                                                       .            INSPECTION AFTER INSTALLATION ............... 16                   .
 System Chart .......................................................... 5
                                                                       .         OIL PUMP ................................................................ 17
                                                                                                                                                       .
ENGINE OIL .............................................................. 7
                                                                       .          Components .......................................................... 17
                                                                                                                                                       .
 Inspection ................................................................ 7
                                                                       .          Removal and Installation ....................................... 17  .         I
   OIL LEVEL ........................................................... 7
                                                                       .            REMOVAL .......................................................... 17
                                                                                                                                                       .
   OIL APPEARANCE .............................................. 7     .            INSTALLATION .................................................. 17 .
   OIL LEAKAGE ...................................................... 7.            INSPECTION AFTER INSTALLATION ............... 17                   .         J
   OIL PRESSURE CHECK ..................................... 8          .          Disassembly and Assembly ................................... 17      .
 Changing Engine Oil ............................................... 9 .            DISASSEMBLY .................................................. 17  .
OIL FILTER .............................................................. 10
                                                                       .            INSPECTION AFTER DISASSEMBLY ............... 18                    .
                                                                                                                                                                K
 Removal and Installation ....................................... 10   .            ASSEMBLY ........................................................ 19
                                                                                                                                                       .
   REMOVAL .......................................................... 10
                                                                       .         SERVICE DATA AND SPECIFICATIONS (SDS) ..... 20                        .
   INSTALLATION .................................................. 10  .          Standard and Limit ................................................. 20
                                                                                                                                                       .
   INSPECTION AFTER INSTALLATION ...............11                     .            OIL PRESSURE ................................................. 20  .         L
OIL FILTER BRACKET (AWD) ................................ 12           .            OIL CAPACITY (APPROXIMATE) ...................... 20               .
 Components .......................................................... 12
                                                                       .            OIL PUMP .......................................................... 20
                                                                                                                                                       .
 Removal and Installation ....................................... 12   .            REGULATOR VALVE ......................................... 20       .        M
   REMOVAL .......................................................... 12
                                                                       .
   INSTALLATION .................................................. 13  .
   INSPECTION AFTER INSTALLATION .............. 13                     .




Revision: 2006 August                                                       LU-1                                                     2006 G35 Sedan
                                             PRECAUTIONS

PRECAUTIONS                                                                                            PFP:00001

Precautions for Liquid Gasket                                                                             NBS00157

LIQUID GASKET APPLICATION PROCEDURE
1.   Removal old liquid gasket adhering to the liquid gasket application surface and the mating surface.
     q Remove liquid gasket completely from the liquid gasket application surface, mounting bolts, and bolt
       holes.
2.   Wipe the liquid gasket application surface and the mating surface with white gasoline (lighting and heating
     use) to remove adhering moisture, grease and foreign materials.
3.   Apply liquid gasket to the liquid gasket application surface.
     Use Genuine RTV Silicone Sealant or equivalent. Refer to GI-47, "RECOMMENDED CHEMICAL
     PRODUCTS AND SEALANTS" .
     q Within five minutes of liquid gasket application, install the mating component.

     q If liquid gasket protrudes, wipe it off immediately.

     q Do not retighten mounting bolts or nuts after the installation.

     q After 30 minutes or more have passed from the installation, fill engine oil and engine coolant.




Revision: 2006 August                                LU-2                                      2006 G35 Sedan
                                                       PREPARATION

PREPARATION                                                                                                                  PFP:00002
                                                                                                                                            A
Special Service Tools                                                                                                            NBS00158

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
  Tool number                                                                                                                               LU
  (Kent-Moore No.)                                                                       Description
  Tool name

  ST25051001                                                                             Measuring oil pressure
                                                                                                                                            C
  (J25695-1)                                                                             Maximum measuring range: 2,452 kPa (25
  Oil pressure gauge                                                                     kg/cm2 , 356 psi)

                                                                                                                                            D

                                                                         NT050


  ST25052000                                                                             Adapting oil pressure gauge to upper oil pan
                                                                                                                                            E
  (J25695-2)                                                                             (upper)
  Hose
                                                                                                                                            F


                                                                         S-NT559
                                                                                                                                            G
  KV10115801                                                                             Removing oil filter
  (J38956)                                                                               a: 64.3 mm (2.531 in)
  Oil filter wrench
                                                                                                                                            H



                                                                                                                                             I
                                                                         S-NT375




                                                                                                                                             J
Commercial Service Tools                                                                                                         NBS00159



  Tool name                                                                              Description
                                                                                                                                            K
  Deep socket                                                                            Removing and installing oil pressure switch
                                                                                         (2WD model)
                                                                                         a: 26 mm (1.02 in)
                                                                                                                                             L



                                                                         PBIC2072E                                                          M
  Power tool                                                                             Loosening bolts and nuts




                                                                         PBIC0190E




Revision: 2006 August                                           LU-3                                                2006 G35 Sedan
                        LUBRICATION SYSTEM

LUBRICATION SYSTEM                                 PFP:15010

Lubrication Circuit                                      NBS0015A


                             M/T Models




                                                  PBIC3486E




Revision: 2006 August          LU-4          2006 G35 Sedan
                        LUBRICATION SYSTEM

                             A/T Models
                                                                    A


                                                                    LU



                                                                    C


                                                                    D


                                                                    E



                                                                    F


                                                                    G


                                                                    H



                                                  PBIC1933E          I
System Chart                                             NBS0015B


                             M/T Models                              J



                                                                    K


                                                                     L



                                                                    M




                                                  PBIC3487E



Revision: 2006 August          LU-5          2006 G35 Sedan
                        LUBRICATION SYSTEM

                             A/T Models




                                                  PBIC2071E




Revision: 2006 August          LU-6          2006 G35 Sedan
                                                 ENGINE OIL

ENGINE OIL                                                                                              PFP:KLA92
                                                                                                                        A
Inspection                                                                                                   NBS002UF

OIL LEVEL
NOTE:                                                                                                               LU
Before starting engine, put vehicle horizontally and check the oil level. If engine is already started, stop it and
allow 10 minutes before checking.
1. Pull out oil level gauge and wipe it clean.
                                                                                                                     C
2. Insert oil level gauge and make sure the oil level is within the
    range shown in the figure.
3. If it is out of range, adjust it.
                                                                                                                     D


                                                                                                                        E



                                                                                                                        F
                                                                                                          PBIC3101E



NOTE:
When checking oil level, insert oil level gauge with its tip aligned with                                               G
oil level gauge guide on cylinder head. (In the figure, air cleaner case
and air duct are removed.)
                                                                                                                        H



                                                                                                                        I



                                                                                                          KBIA1343E
                                                                                                                        J

OIL APPEARANCE
q   Check the engine oil for white turbidity or heavy contamination.                                                    K
q   If the engine oil becomes turbid and white, it is highly probable that it is contaminated with engine coolant.
    Repair or replace damaged parts.
OIL LEAKAGE                                                                                                             L
Check for oil leakage around the following areas:
q  Oil pans (lower and upper)
q  Oil pan drain plug                                                                                                   M
q  Oil pressure switch
q  Oil filter
q  Oil cooler
q  Water pump cover
q  Chain tensioner cover
q  Intake valve timing control solenoid valve
q  Intake valve timing control cover (A/T models)
q  Valve timing control cover (M/T models)
q  Mating surface between cylinder head and rocker cover
q  Mating surface between front timing chain case and rear timing chain case
q  Mating surface between rear timing chain case and cylinder head
q  Mating surface between rear timing chain case and cylinder block
q  Mating surface between rear timing chain case and oil pan (upper)
q  Mating surface between cylinder block and cylinder head
Revision: 2006 August                                 LU-7                                      2006 G35 Sedan
                                              ENGINE OIL

q    Crankshaft oil seals (front and rear)
q    Camshaft position sensor (PHASE)
OIL PRESSURE CHECK
WARNING:
q  Be careful not to burn yourself, as engine oil may be hot.
q  Oil pressure check should be done in "Neutral position" (M/T models) or "Parking position" (A/T
   models).
1. Check oil level. Refer to LU-7, "OIL LEVEL" .
2. Remove undercover with power tool.
3. Disconnect oil pressure switch harness connector.




                                                                                                           PBIC2572E



4.   Remove oil pressure switch.




                                                                                                           PBIC2573E



5.   Install oil pressure gauge and hose (SST).




                                                                                                           SLC926



6.   Start engine and warm it up to normal operating temperature.
7.   Check oil pressure with engine running under no-load.
     NOTE:
     When engine oil temperature is low, engine oil pressure becomes high.
     Engine oil pressure [Engine oil temperature at 80



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