Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Altima 2000-2005 Approved Nissan Altima 2002 LU
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B ENGINE
A
ENGINE LUBRICATION SYSTEM
SECTION LU LU
C
D
E
CONTENTS
QR25DE PREPARATION ........................................................ 14. F
Special Service Tools ............................................ 14 .
PRECAUTIONS ......................................................... 2. Commercial Service Tool ....................................... 14 .
Precautions for Liquid Gasket ................................. 2 . LUBRICATION SYSTEM ......................................... 15 . G
REMOVAL OF LIQUID GASKET ......................... 2 . Lubrication Circuit .................................................. 15
.
LIQUID GASKET APPLICATION PROCEDURE 2 ..... System Drawing .................................................... 16.
PREPARATION .......................................................... 3
. ENGINE OIL ............................................................. 17
.
Special Service Tools .............................................. 3. H
Inspection .............................................................. 17
.
Commercial Service Tools ....................................... 3 . OIL LEVEL ......................................................... 17
.
LUBRICATION SYSTEM ........................................... 4 . OIL APPEARANCE ............................................ 17 .
Lubrication Circuit ................................................... 4
. OIL LEAKAGE .................................................... 17 . I
System Drawing ...................................................... 5
. OIL PRESSURE CHECK ................................... 17 .
ENGINE OIL .............................................................. 6
. Changing Engine Oil .............................................. 18 .
Inspection ................................................................ 6
. OIL FILTER .............................................................. 19
. J
OIL LEVEL AND MUDDINESS ............................ 6 . Removal and Installation ....................................... 19 .
OIL LEAKAGE ...................................................... 6. REMOVAL .......................................................... 19
.
OIL PRESSURE CHECK ..................................... 6 . INSTALLATION .................................................. 19 .
Changing Engine Oil ............................................... 7 . K
OIL PUMP ................................................................ 20
.
OIL FILTER ................................................................ 8
. Removal and Installation ....................................... 20 .
Removal and Installation ......................................... 8 . REMOVAL .......................................................... 20
.
REMOVAL ............................................................ 8
. INSTALLATION .................................................. 20 . L
INSTALLATION .................................................... 8 . Disassembly and Assembly ................................... 20 .
OIL PUMP .................................................................. 9
. INSPECTION AFTER DISASSEMBLY ............... 20 .
Removal and Installation ......................................... 9 . ASSEMBLY ........................................................ 22. M
Disassembly and Assembly .................................... 9 . OIL COOLER ........................................................... 23
.
DISASSEMBLY .................................................... 9 . Removal and Installation ....................................... 23 .
INSPECTION AFTER DISASSEMBLY ................ 9 . REMOVAL .......................................................... 23
.
ASSEMBLY .........................................................11. INSPECTION AFTER REMOVAL ...................... 24 .
SERVICE DATA AND SPECIFICATIONS (SDS) ..... 12 . INSTALLATION .................................................. 24 .
Oil Pressure .......................................................... 12
. INSPECTION AFTER INSTALLATION ............... 24 .
Oil Pump ............................................................... 12
. SERVICE DATA AND SPECIFICATIONS (SDS) ..... 25 .
Regulator Valve ..................................................... 12
. Oil Pressure ........................................................... 25
.
Oil Capacity ........................................................... 12
. Regulator Valve ..................................................... 25
.
Oil Pump ................................................................ 25
.
VQ35DE Oil Capacity ........................................................... 25
.
PRECAUTIONS ....................................................... 13
.
Precautions for Liquid Gasket ............................... 13
.
REMOVAL OF LIQUID GASKET ....................... 13 .
LIQUID GASKET APPLICATION PROCEDURE 13 ...
LU-1
PRECAUTIONS
[QR25DE]
PRECAUTIONS PFP:00001
Precautions for Liquid Gasket EBS00F16
REMOVAL OF LIQUID GASKET
q After removing the mounting bolts and nuts, separate the mating
surface using a seal cutter and remove the sealant.
CAUTION:
Be careful not to damage the mating surfaces.
q In areas where the cutter is difficult to use, use a plastic hammer
to lightly tap the areas where the sealant is applied.
CAUTION:
If for some unavoidable reason a tool such as a flat-bladed
screwdriver is used, be careful not to damage the mating sur-
faces.
PBIC0002E
LIQUID GASKET APPLICATION PROCEDURE
1. Using a scraper, remove the old sealant adhering to the mating
surface.
q Remove the sealant completely from the groove, mounting
bolts, and bolt holes.
2. Clean the mating surface thoroughly to remove adhering mois-
ture, grease and foreign materials.
3. Install the sealant tube into the tube presser.
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-42, "Recommended Chemical Products and Sealants" .
PBIC0003E
4. Apply the sealant without breaks to the specified area with the
specified dimensions.
q If there is a groove for the sealant application, apply the sealant
to the groove.
EMA0622D
q As for the bolt holes, normally apply the sealant inside the holes.
If specified, it should be applied outside the holes. Make sure to
read the instructions in this manual.
q Within five minutes of sealant application, install the mating
component.
q If the sealant protrudes, wipe it off immediately.
q Do not retighten after the installation.
q After 30 minutes or more have passed from the installation, fill
the engine with the correct oil and coolant. Refer to GI-42, "Rec-
ommended Chemical Products and Sealants" . SEM159F
CAUTION:
If there are specific instructions in the service manual, observe them.
LU-2
PREPARATION
[QR25DE]
PREPARATION PFP:00002
A
Special Service Tools EBS007QK
The actual shape of the Kent-Moore tools may differ from those tools illustrated here.
Tool number LU
(Kent Moore No.) Description
Tool name
ST25051001 Measuring oil pressure C
(J25695-1) Maximum measuring range:
Oil pressure gauge 2,452 kPa (25 kg/cm2 , 356 psi)
D
S-NT050
E
ST25052000 Adapting oil pressure gauge to cylinder block
(J25695-2)
Hose
F
S-NT559 G
KV10115801 Removing and installing oil filter
(J38956)
Oil filter wrench H
I
S-NT772
WS39930000 Pressing the tube of liquid gasket
( -- ) J
Tube presser
K
S-NT052
Commercial Service Tools EBS007QL L
Tool name Description
Power tool Loosening bolts and nuts
M
PBIC0190E
Deep socket Removing and installing oil pressure switch
Deep socket26 mm, 3/8 drive
NT818
LU-3
LUBRICATION SYSTEM
[QR25DE]
LUBRICATION SYSTEM PFP:15010
Lubrication Circuit EBS007QM
PBIC0247E
LU-4
LUBRICATION SYSTEM
[QR25DE]
System Drawing EBS007QN
A
LU
C
D
E
F
G
H
PBIC0248E I
J
K
L
M
LU-5
ENGINE OIL
[QR25DE]
ENGINE OIL PFP:KLA92
Inspection EBS007QO
OIL LEVEL AND MUDDINESS
q Before starting the engine, check the oil level. If the engine is
already started, stop it and allow 10 minutes before checking.
q Check that the oil level is within the range on the dipstick.
q If it is out of range, add oil as necessary. Refer to MA-12, "REC-
OMMENDED FLUIDS AND LUBRICANTS" .
q Check the oil for white turbidity or heavy contamination.
q If the oil becomes turbid and white, it is highly probable that it is
contaminated with coolant. Determine the cause and correct as
necessary.
PBIC0249E
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 IVTC cover
q Front cover
q Mating surface between cylinder block and cylinder head
q Mating surface between cylinder head and rocker cover
q Crankshaft oil seal
OIL PRESSURE CHECK
WARNING:
q Be careful not to burn yourself, as the engine oil may be hot.
q For M/T models, put the gearshift lever in the Neutral "N" position. For A/T models, put the selec-
tor lever in the Park "P" position.
1. Check the oil level.
2. Remove the under cover, using power tools.
3. Remove the oil pressure switch to connect the oil pressure
gauge.
4. After warming up the engine, check that oil pressure corre-
sponding to the engine speed is produced.
SLC926
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