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LU-1
ENGINE LUBRICATION SYSTEM
B ENGINE
CONTENTS
C
D
E
F
G
H
I
J
K
L
M
SECTION LU A
LU
Revision: 2006 August 2006 G35 Sedan
ENGINE LUBRICATION SYSTEM
PRECAUTIONS ......................................................... 2
Precautions for Liquid Gasket ................................. 2
LIQUID GASKET APPLICATION PROCEDURE ..... 2
PREPARATION .......................................................... 3
Special Service Tools .............................................. 3
Commercial Service Tools ....................................... 3
LUBRICATION SYSTEM ........................................... 4
Lubrication Circuit ................................................... 4
System Chart .......................................................... 5
ENGINE OIL .............................................................. 7
Inspection ................................................................ 7
OIL LEVEL ........................................................... 7
OIL APPEARANCE .............................................. 7
OIL LEAKAGE ...................................................... 7
OIL PRESSURE CHECK ..................................... 8
Changing Engine Oil ............................................... 9
OIL FILTER .............................................................. 10
Removal and Installation ....................................... 10
REMOVAL .......................................................... 10
INSTALLATION .................................................. 10
INSPECTION AFTER INSTALLATION ...............11
OIL FILTER BRACKET (AWD) ................................ 12
Components .......................................................... 12
Removal and Installation ....................................... 12
REMOVAL .......................................................... 12
INSTALLATION .................................................. 13
INSPECTION AFTER INSTALLATION .............. 13
OIL COOLER ........................................................... 14
Components (2WD Models) .................................. 14
Components (AWD Models) .................................. 15
Removal and Installation ....................................... 15
REMOVAL .......................................................... 15
INSPECTION AFTER REMOVAL ...................... 16
INSTALLATION .................................................. 16
INSPECTION AFTER INSTALLATION ............... 16
OIL PUMP ................................................................ 17
Components .......................................................... 17
Removal and Installation ....................................... 17
REMOVAL .......................................................... 17
INSTALLATION .................................................. 17
INSPECTION AFTER INSTALLATION ............... 17
Disassembly and Assembly ................................... 17
DISASSEMBLY .................................................. 17
INSPECTION AFTER DISASSEMBLY ............... 18
ASSEMBLY ........................................................ 19
SERVICE DATA AND SPECIFICATIONS (SDS) ..... 20
Standard and Limit ................................................. 20
OIL PRESSURE ................................................. 20
OIL CAPACITY (APPROXIMATE) ...................... 20
OIL PUMP .......................................................... 20
REGULATOR VALVE ......................................... 20
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LU-2
PRECAUTIONS
Revision: 2006 August 2006 G35 Sedan
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.
● 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" .
● Within five minutes of liquid gasket application, install the mating component.
● If liquid gasket protrudes, wipe it off immediately.
● Do not retighten mounting bolts or nuts after the installation.
● After 30 minutes or more have passed from the installation, fill engine oil and engine coolant.
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PREPARATION
LU-3
C
D
E
F
G
H
I
J
K
L
M
A
LU
Revision: 2006 August 2006 G35 Sedan
PREPARATION PFP:00002
Special Service Tools NBS00158
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Commercial Service Tools NBS00159
Tool number
(Kent-Moore No.)
Tool name
Description
ST25051001
(J25695-1)
Oil pressure gauge
Measuring oil pressure
Maximum measuring range: 2,452 kPa (25
kg/cm2 , 356 psi)
ST25052000
(J25695-2)
Hose
Adapting oil pressure gauge to upper oil pan
(upper)
KV10115801
(J38956)
Oil filter wrench
Removing oil filter
a: 64.3 mm (2.531 in)
NT050
S-NT559
S-NT375
Tool name Description
Deep socket Removing and installing oil pressure switch
(2WD model)
a: 26 mm (1.02 in)
Power tool Loosening bolts and nuts
PBIC2072E
PBIC0190E