
GENERAL INFORMATION
SECTION
GI
CONTENTS
PRECAUTIONS...............................................................3
Precautions ..................................................................3
PRECAUTIONS FOR SUPPLEMENTAL
RESTRAINT SYSTEM (SRS)²AIR BAG²AND
²SEAT BELT PRE-TENSIONER²
.................................3
PRECAUTIONS FOR NATS (NISSAN ANTI-THEFT
SYSTEM)
..................................................................3
GENERAL PRECAUTIONS.........................................4
PRECAUTIONS FOR MULTIPORT FUEL
INJECTION SYSTEM OR ENGINE CONTROL
SYSTEM
...................................................................6
PRECAUTIONS FOR THREE WAY CATALYST...........6
PRECAUTIONS FOR HOSES.....................................6
PRECAUTIONS FOR ENGINE OILS...........................7
PRECAUTIONS FOR FUEL........................................8
PRECAUTIONS FOR AIR CONDITIONING..................9
HOW TO USE THIS MANUAL......................................10
HOW TO READ WIRING DIAGRAMS..........................12
Sample/Wiring Diagram - EXAMPL - ........................12
OPTIONAL SPLICE..................................................13
Description .................................................................14
CONNECTOR SYMBOLS.........................................16
HARNESS INDICATION...........................................17
COMPONENT INDICATION......................................17
SWITCH POSITIONS...............................................17
DETECTABLE LINES AND NON-DETECTABLE
LINES
.....................................................................17
MULTIPLE SWITCH.................................................18
REFERENCE AREA.................................................19
HOW TO PERFORM EFFICIENT DIAGNOSES
FOR AN ELECTRICAL INCIDENT...............................21
Work Flow ..................................................................21
Incident Simulation Tests ...........................................22
INTRODUCTION......................................................22
VEHICLE VIBRATION..............................................22
HEAT SENSITIVE....................................................23
FREEZING..............................................................23
WATER INTRUSION................................................24
ELECTRICAL LOAD.................................................24
COLD OR HOT START UP.......................................24
Circuit Inspection .......................................................24
INTRODUCTION......................................................24
TESTING FOR²OPENS²IN THE CIRCUIT................25
TESTING FOR²SHORTS²IN THE CIRCUIT..............26
GROUND INSPECTION...........................................27
VOLTAGE DROP TESTS..........................................27
CONTROL UNIT CIRCUIT TEST...............................29
HOW TO FOLLOW TROUBLE DIAGNOSES...............31
How to Follow Test Groups in Trouble Diagnoses ....32
Key to Symbols Signifying Measurements or
Procedures.................................................................33
CONSULT-II CHECKING SYSTEM...............................35
Function and System Application ..............................35
Nickel Metal Hydride Battery Replacement...............36
Checking Equipment..................................................36
CONSULT-II Data Link Connector (DLC) Circuit ......37
INSPECTION PROCEDURE.....................................37
IDENTIFICATION INFORMATION................................38
Model Variation ..........................................................38
FOR EUROPE.........................................................38
FOR AUSTRALIA, NEW ZEALAND AND SOUTH
AFRICA
...................................................................38
PREFIX AND SUFFIX DESIGNATIONS.....................39
Identification Number .................................................39
VEHICLE IDENTIFICATION NUMBER
ARRANGEMENT
.....................................................40
IDENTIFICATION PLATE..........................................40
ENGINE SERIAL NUMBER.......................................41
AUTOMATIC TRANSAXLE NUMBER........................41
MANUAL TRANSAXLE NUMBER..............................42
Dimensions ................................................................43
Wheels and Tires .......................................................43
LIFTING POINTS AND TOW TRUCK TOWING...........44
Preparation ................................................................44
SPECIAL SERVICE TOOLS......................................44
Board-on Lift ..............................................................44
Garage Jack and Safety Stand .................................45
2-pole Lift ...................................................................46
Tow Truck Towing ......................................................47
TOWING AN AUTOMATIC TRANSAXLE MODEL
WITH FOUR WHEELS ON GROUND
........................47 

Dimensions=NJGI0008S03Unit: mm (in)
Item Sedan HB
Overall length 4,470 (176.0) 4,184 (164.7)
Overall width 1,695 (66.7) 1,710 (67.3)
Overall height 1,440 (56.7) 1,440 (56.7)
Front tread1,470 (57.9)
1,490 (58.7)*1,470 (57.9)
Rear tread1,450 (57.1)
1,470 (57.9)*1,455 (57.3)
Wheelbase 2,535 (99.8) 2,535 (99.8)
*: For 14 x 5J road wheel equipped models
Wheels and TiresNJGI0008S04Sedan
Item Except for Europe Europe
Road wheelSteel/offset mm (in)14 x 5J/35 (1.38)
14 x 5-1/2JJ/45 (1.77)
15 x 6JJ/45 (1.77)14 x 5J/35 (1.38)
15 x 6JJ/45 (1.77)
Aluminum/offset mm (in) 14 x 6J (J)*/45 (1.77) 15 x 6J*/45 (1.77)
Tire sizeConventional175/65R14
175/70R14
185/65R14
185/65R15175/70R14
185/65R15
195/60R15
Spare Conventional T135/80D15
*: Option
Hatchback
Item
Road wheelSteel/offset mm (in)
15 x 6JJ/45 (1.77)
Aluminum/offset mm (in)
Tire sizeConventional185/65R15
195/60R15
SpareConventional
T135/80/D15*
*: For models with QG18DE A/T
IDENTIFICATION INFORMATION
Dimensions
GI-43 

ENGINE MECHANICAL
SECTION
EM
CONTENTS
QG
PRECAUTIONS...............................................................4
Parts Requiring Angular Tightening .............................4
Liquid Gasket Application Procedure ..........................4
PREPARATION...............................................................5
Special Service Tools ..................................................5
Commercial Service Tools ...........................................7
NOISE, VIBRATION AND HARSHNESS (NVH)
TROUBLESHOOTING.....................................................9
NVH Troubleshooting - Engine Noise .........................9
OUTER COMPONENT PARTS..................................... 11
Removal and Installation ........................................... 11
MEASUREMENT OF COMPRESSION PRESSURE....14
DRIVE BELTS................................................................15
Checking ....................................................................15
AIR CLEANER...............................................................17
Cleaning and Changing .............................................17
VISCOUS PAPER TYPE...........................................17
SPARK PLUG................................................................18
Checking and Changing ............................................18
OIL PAN.........................................................................19
Components...............................................................19
Removal .....................................................................19
Installation ..................................................................20
TIMING CHAIN..............................................................22
Components...............................................................22
Removal .....................................................................23
Inspection...................................................................26
Installation ..................................................................27
OIL SEAL.......................................................................31
Replacement ..............................................................31
VALVE OIL SEAL.....................................................31
FRONT OIL SEAL....................................................31
REAR OIL SEAL......................................................32
CYLINDER HEAD..........................................................33
Components...............................................................33
Removal .....................................................................34
Disassembly...............................................................36Inspection...................................................................36
CYLINDER HEAD DISTORTION...............................36
CAMSHAFT VISUAL CHECK....................................36
CAMSHAFT RUNOUT..............................................37
CAMSHAFT CAM HEIGHT.......................................37
CAMSHAFT JOURNAL CLEARANCE........................37
CAMSHAFT END PLAY............................................38
CAMSHAFT SPROCKET RUNOUT...........................38
VALVE GUIDE CLEARANCE....................................38
VALVE GUIDE REPLACEMENT................................39
VALVE SEATS.........................................................40
REPLACING VALVE SEAT FOR SERVICE PARTS....40
VALVE DIMENSIONS...............................................41
VALVE SPRING.......................................................41
VALVE LIFTER AND VALVE SHIM............................41
Valve Clearance.........................................................42
CHECKING.............................................................42
ADJUSTING............................................................43
Assembly ...................................................................45
Installation ..................................................................45
ENGINE ASSEMBLY.....................................................49
Removal and Installation ...........................................49
REMOVAL...............................................................50
INSTALLATION........................................................51
CYLINDER BLOCK.......................................................52
Components...............................................................52
Removal and Installation ...........................................53
Disassembly...............................................................53
PISTON AND CRANKSHAFT....................................53
Inspection...................................................................54
PISTON AND PISTON PIN CLEARANCE..................54
PISTON RING SIDE CLEARANCE............................54
PISTON RING END GAP..........................................54
CONNECTING ROD BEND AND TORSION...............55
CYLINDER BLOCK DISTORTION AND WEAR...........55
PISTON-TO-BORE CLEARANCE..............................56
CRANKSHAFT.........................................................57
BEARING CLEARANCE...........................................57
CONNECTING ROD BUSHING CLEARANCE
(SMALL END)
..........................................................59 

CYLINDER HEAD DISTORTION.............................121
CAMSHAFT VISUAL CHECK..................................122
CAMSHAFT RUNOUT............................................122
CAMSHAFT CAM HEIGHT.....................................122
CAMSHAFT JOURNAL CLEARANCE......................122
CAMSHAFT END PLAY..........................................123
CAMSHAFT SPROCKET RUNOUT.........................123
VALVE GUIDE CLEARANCE..................................123
VALVE GUIDE REPLACEMENT..............................124
VALVE SEATS.......................................................125
REPLACING VALVE SEAT FOR SERVICE PARTS..125
VALVE DIMENSIONS.............................................127
VALVE SPRING.....................................................127
VALVE LIFTER......................................................127
Assembly .................................................................128
Installation ................................................................129
CYLINDER HEAD GASKET SELECTION.................129
CYLINDER HEAD BOLT DEFORMATION CHECK...130
CYLINDER HEAD-TO-BLOCK DIFFERENCE
CHECK
.................................................................130
LIQUID GASKET APPLICATION ON REAR CHAIN
CASE
....................................................................130
CYLINDER HEAD INSTALLATION..........................131
GLOW PLUG INSTALLATION.................................131
CAMSHAFT INSTALLATION...................................131
Valve Clearance.......................................................132
CHECKING...........................................................132
ADJUSTING..........................................................133
ENGINE ASSEMBLY...................................................136
Removal and Installation .........................................136
REMOVAL.............................................................137
INSTALLATION......................................................138
CYLINDER BLOCK.....................................................139
Components.............................................................139
Removal and Installation .........................................140
Disassembly.............................................................140
PISTON AND CRANKSHAFT..................................140
Inspection.................................................................143
CRANKSHAFT END PLAY.....................................143
CONNECTING ROD SIDE CLEARANCE.................143
PISTON AND PISTON PIN CLEARANCE................144
PISTON RING SIDE CLEARANCE..........................144
PISTON RING END GAP........................................145
CONNECTING ROD BEND AND TORSION.............145
CYLINDER BLOCK DISTORTION AND WEAR.........145
PISTON-TO-BORE CLEARANCE............................146
CRANKSHAFT.......................................................148
MAIN BEARING HOUSING INNER DIAMETER........148
BEARING CLEARANCE.........................................148
MAIN BEARING CRUSH HEIGHT...........................152
MAIN BEARING CAP BOLT DEFORMATION...........152
CONNECTING ROD BUSHING CLEARANCE
(SMALL END)
........................................................152
CONNECTING ROD BOLT DEFORMATION............153
FLYWHEEL RUNOUT............................................153
OIL JET................................................................153
OIL JET RELIEF VALVE.........................................154
Assembly .................................................................154
PISTON................................................................154
CRANKSHAFT.......................................................154
REPLACEMENT OF PILOT BUSHING.....................157
SERVICE DATA AND SPECIFICATIONS (SDS).......159
General Specifications .............................................159
Compression Pressure ............................................159
Belt Deflection..........................................................159
Cylinder Head ..........................................................159
Valve ........................................................................160
VALVE..................................................................160
VALVE CLEARANCE..............................................160
AVAILABLE SHIMS................................................160
VALVE SPRING.....................................................161
VALVE LIFTER......................................................162
VALVE GUIDE.......................................................162
Valve Seat................................................................163
Camshaft and Camshaft Bearing ............................165
Cylinder Block ..........................................................166
Piston, Piston Ring and Piston Pin .........................167
AVAILABLE PISTON..............................................167
PISTON RING.......................................................167
PISTON PIN..........................................................167
Connecting Rod .......................................................168
Crankshaft................................................................168
Available Main Bearing ............................................169
UNDERSIZE..........................................................169
Available Connecting Rod Bearing..........................169
CONNECTING ROD BEARING...............................169
UNDERSIZE..........................................................169
Miscellaneous Components.....................................169
BEARING CLEARANCE.........................................170
CONTENTS(Cont'd)
EM-3 

Tool number
Tool nameDescription
Front (heated) oxygen
sensor wrench
NT379
Loosening or tightening heated oxygen sensor
with 22 mm (0.87 in) hexagon nut
KV101056S0*
Rear gear stopper
(1) KV10105620
Adapter
(2) KV10105610
Plate assembly
NT773
Preventing crankshaft from rotating
Commercial Service ToolsNJEM0004
Tool name Description
Spark plug wrench
NT047
Removing and installing spark plug
Valve seat cutter set
NT048
Finishing valve seat dimensions
Piston ring expander
NT030
Removing and installing piston ring
Valve guide drift
NT015
Removing and installing valve guide
Intake & Exhaust:
a: 9.5 mm (0.374 in) dia.
b: 5.5 mm (0.217 in) dia.
PREPARATIONQG
Special Service Tools (Cont'd)
EM-7 

SEM932C
5. Ream valve guide.
Finished size:
Intake & Exhaust
5.500 - 5.515 mm (0.2165 - 0.2171 in)
SEM934C
VALVE SEATSNJEM0019S10Check valve seats for pitting at contact surface. Resurface or
replace if excessively worn.
+Before repairing valve seats, check valve and valve guide
for wear. If they have worn, replace them. Then correct
valve seat.
+Use both hands to cut uniformly.
SEM795A
REPLACING VALVE SEAT FOR SERVICE PARTSNJEM0019S111. Bore out old seat until it collapses. Set machine depth stop so
that boring cannot contact the bottom face of seat recess in
cylinder head.
2. Ream cylinder head recess.
Reaming bore for service valve seat
Oversize [0.5 mm (0.020 in)]:
Refer to SDS, EM-70.
Use the valve guide center for reaming to ensure valve seat
will have the correct fit.
SEM008A
3. Heat cylinder head to 110 to 130ÉC (230 to 266ÉF).
4. Press fit valve seat until it seats on the bottom.
SEM892B
5. Cut or grind valve seat using suitable tool to the specified
dimensions as shown in SDS, EM-70.
6. After cutting, lap valve seat with abrasive compound.
7. Check valve seating condition.
Seat face angle ªaº:
44É53¢- 45É07¢
Contacting width ªWº:
Intake
1.06 - 1.34 mm (0.0417 - 0.0528 in)
Exhaust
1.20 - 1.68 mm (0.0472 - 0.0661 in)
CYLINDER HEADQG
Inspection (Cont'd)
EM-40 

AEM343
8. Use a depth gauge to measure the distance ªLº between the
mounting surface of the cylinder head spring seat and the
valve stem end. If the distance is shorter than specified, repeat
step 5 above to correct it. If the distance is longer, replace the
valve seat.
Valve seat resurface limit:
Intake
35.95 - 36.55 mm (1.4154 - 1.4390 in)
Exhaust
35.92 - 36.52 mm (1.4142 - 1.4378 in)
SEM188A
VALVE DIMENSIONSNJEM0019S12Check dimensions of each valve. Refer to SDS, EM-66 for dimen-
sions.
When valve head has been worn down to 0.5 mm (0.020 in) in
margin thickness, replace valve.
Grinding allowance for valve stem tip is 0.2 mm (0.008 in) or
less.
SEM288A
VALVE SPRINGNJEM0019S13SquarenessNJEM0019S13011. Measure dimension ªSº.
Out-of-square ªSº:
Less than 1.80 mm (0.0709 in)
2. If it exceeds the limit, replace spring.
EM113
PressureNJEM0019S1302Check valve spring pressure at specified spring height.
Pressure:
Standard
370.0 N (37.73 kg, 83.19 lb) at 23.64 mm (0.9307 in)
Limit
More than 347.8 N (35.46 kg, 78.19 lb) at 23.64 mm
(0.9307 in)
If it exceeds the limit, replace spring.
SEM160D
VALVE LIFTER AND VALVE SHIMNJEM0019S161. Check contact and sliding surfaces for wear or scratches.
CYLINDER HEADQG
Inspection (Cont'd)
EM-41 

Tool number
Tool nameDescription
KV11106010
Hexagon wrench
NT801
a: 5 mm (Face to face)
b: 20 mm
KV11106020
Hexagon wrench
NT803
a: 6 mm (Face to face)
b: 20 mm
KV11106030
Positioning stopper pin
NT804
a: 6 mm dia.
b: 80 mm
KV11106040
TORX wrench
NT805
a: T70
b: 26 mm
Commercial Service ToolsNJEM0050
Tool name Description
Valve seat cutter set
NT048
Finishing valve seat dimensions
Piston ring compressor
NT044
Installing piston assembly into cylinder bore
Piston ring expander
NT030
Removing and installing piston ring
PREPARATIONYD
Special Service Tools (Cont'd)
EM-79