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ENGINE LUBRICATION SYSTEM


B ENGINE

                                                                                                                                                                A




                                                            ENGINE LUBRICATION SYSTEM
                                                                                                    SECTION                   LU                                LU



                                                                                                                                                                C


                                                                                                                                                                D


                                                                                                                                                                E
                                                                 CONTENTS
PRECAUTIONS ......................................................... 2.         OIL COOLER ........................................................... 10
                                                                                                                                                       .        F
 Precautions for Battery Service ............................... 2     .          Removal and Installation ....................................... 10  .
 Precautions for Liquid Gasket ................................. 2     .            REMOVAL .......................................................... 10
                                                                                                                                                       .
   LIQUID GASKET APPLICATION PROCEDURE 2                               .....        INSPECTION AFTER REMOVAL ...................... 10                 .        G
PREPARATION .......................................................... 3
                                                                       .            INSTALLATION .................................................. 11 .
 Special Service Tools .............................................. 3.            INSPECTION AFTER INSTALLATION ............... 11                   .
 Commercial Service Tools ....................................... 3    .         OIL PUMP ................................................................ 12
                                                                                                                                                       .
                                                                                                                                                                H
LUBRICATION SYSTEM ........................................... 4       .          Removal and Installation ....................................... 12  .
 Lubrication Circuit ................................................... 4
                                                                       .            REMOVAL .......................................................... 12
                                                                                                                                                       .
 System Chart .......................................................... 5
                                                                       .            INSTALLATION .................................................. 12 .
ENGINE OIL .............................................................. 6
                                                                       .            INSPECTION AFTER INSTALLATION ............... 12                   .         I
 Inspection ................................................................ 6
                                                                       .          Disassembly and Assembly ................................... 12      .
   OIL LEVEL ........................................................... 6
                                                                       .            DISASSEMBLY .................................................. 12  .
   OIL APPEARANCE .............................................. 6     .            INSPECTION AFTER DISASSEMBLY ............... 13                    .         J
   OIL LEAKAGE ...................................................... 6.            ASSEMBLY ........................................................ 14
                                                                                                                                                       .
   OIL PRESSURE CHECK ..................................... 7          .         SERVICE DATA AND SPECIFICATIONS (SDS) ..... 15                        .
 Changing Engine Oil ............................................... 8 .          Standard and Limit ................................................. 15
                                                                                                                                                       .
                                                                                                                                                                K
OIL FILTER ................................................................ 9
                                                                       .            OIL PRESSURE ................................................. 15  .
 Removal and Installation ......................................... 9  .            OIL CAPACITY (APPROXIMATE) ...................... 15               .
   REMOVAL ............................................................ 9
                                                                       .            OIL PUMP .......................................................... 15
                                                                                                                                                       .
   INSTALLATION .................................................... 9 .            REGULATOR VALVE ......................................... 15       .         L
   INSPECTION AFTER INSTALLATION ................ 9                    .

                                                                                                                                                                M




Edition: 2004 September                                                     LU-1                                                     2005 G35 Coupe
                                             PRECAUTIONS

PRECAUTIONS                                                                                             PFP:00001

Precautions for Battery Service                                                                            ABS00B3L


Before disconnecting the battery, lower both the driver and passenger windows. This will prevent any interfer-
ence between the window edge and the vehicle when the door is opened/closed. During normal operation, the
window slightly raises and lowers automatically to prevent any window to vehicle interference. The automatic
window function will not work with the battery disconnected.
Precautions for Liquid Gasket                                                                              ABS00A1A

LIQUID GASKET APPLICATION PROCEDURE
1.   Remove 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.   Attach liquid gasket tube to tube presser [SST: WS39930000
     ( -- )].
     Use Genuine RTV Silicone Sealant or equivalent. Refer to
     GI-46, "RECOMMENDED CHEMICAL PRODUCTS AND
     SEALANTS" .
     q Within five minutes of liquid gasket application, install the mat-
        ing 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
                                                                                                         EMA0622D
        engine oil and engine coolant.




Edition: 2004 September                              LU-2                                       2005 G35 Coupe
                                                       PREPARATION

PREPARATION                                                                                                                   PFP:00002
                                                                                                                                            A
Special Service Tools                                                                                                            ABS00A1B

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


  WS39930000                                                                             Pressing the tube of liquid gasket
  (      --           )
  Tube presser                                                                                                                               J



                                                                                                                                            K
                                                                         NT052



                                                                                                                                             L
Commercial Service Tools                                                                                                         ABS00A1C



  Tool name                                                                              Description                                        M
  Deep socket                                                                            Removing and installing oil pressure switch
                                                                                         a: 27 mm (1.06 in)




                                                                         PBIC2072E


  Power tool                                                                             Loosening bolts and nuts




                                                                         PBIC0190E




Edition: 2004 September                                         LU-3                                                2005 G35 Coupe
                          LUBRICATION SYSTEM

LUBRICATION SYSTEM                                   PFP:15010

Lubrication Circuit                                        ABS00A1D




                                                    PBIC1933E




Edition: 2004 September          LU-4          2005 G35 Coupe
                          LUBRICATION SYSTEM

System Chart                                               ABS00A1E

                                                                      A


                                                                      LU



                                                                      C


                                                                      D


                                                                      E



                                                                      F


                                                                      G


                                                                      H



                                                    PBIC2071E          I


                                                                       J



                                                                      K


                                                                       L



                                                                      M




Edition: 2004 September          LU-5          2005 G35 Coupe
                                                 ENGINE OIL

ENGINE OIL                                                                                               PFP:KLA92

Inspection                                                                                                    ABS00A1F

OIL LEVEL
NOTE:
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.
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.




                                                                                                           PBIC0249E



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




                                                                                                           KBIA1343E


OIL APPEARANCE
q   Check the engine oil for white turbidity or heavy contamination.
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
Check for oil leakage around the following areas:
q  Oil pan
q  Oil pan drain plug
q  Oil pressure switch
q  Oil filter
q  Oil cooler
q  Water pump cover
q  Chain tensioner cover
q  Intake valve timing control cover and intake valve timing control solenoid valve
q  Mating surface between cylinder block and cylinder head
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 block
q  Crankshaft oil seals (front and rear)




Edition: 2004 September                                LU-6                                      2005 G35 Coupe
                                              ENGINE OIL

OIL PRESSURE CHECK
WARNING:                                                                                            A
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).                                                                                        LU
1. Check oil level. Refer to LU-6, "OIL LEVEL" .
2. Remove undercover with power tool.
3. Disconnect oil pressure switch harness connector.                                                C
4. Remove oil pressure switch.

                                                                                                                     D


                                                                                                                     E



                                                                                                                     F
                                                                                                         PBIC0818E



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


                                                                                                                     H



                                                                                                                     I

                                                                                                         SLC926

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



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