spark plug INFINITI FX35 2004 User Guide
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![INFINITI FX35 2004 User Guide DTC P0420, P0430 THREE WAY CATALYST FUNCTION
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4. CHECK IGNITION TIMING
Check the following items. Refer to EC-83, "
Basi](/img/42/57021/w960_57021-1659.png "INFINITI FX35 2004 User Guide DTC P0420, P0430 THREE WAY CATALYST FUNCTION
EC-319
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4. CHECK IGNITION TIMING
Check the following items. Refer to EC-83, \"
Basi")
DTC P0420, P0430 THREE WAY CATALYST FUNCTION
EC-319
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Revision: 2004 November 2004 FX35/FX45
4. CHECK IGNITION TIMING
Check the following items. Refer to EC-83, "
Basic Inspection" .
OK or NG
OK >> GO TO 5.
NG >> Follow the EC-83, "
Basic Inspection" .
5. CHECK INJECTORS
1. Stop engine and then turn ignition switch ON.
2. Check voltage between ECM terminals 21, 22, 23, 40, 41, 42
and ground with CONSULT-II or tester.
Refer to Wiring Diagram for Injectors, EC-598
.
OK or NG
OK >> GO TO 6.
NG >> Perform EC-599, "
Diagnostic Procedure" .
6. CHECK IGNITION SPARK
1. Turn ignition switch OFF.
2. Disconnect ignition coil assembly from rocker cover.
3. Connect a known-good spark plug to the ignition coil assembly.
4. Disconnect all injector harness connectors.
5. Place end of spark plug against a suitable ground and crank engine.
6. Check for spark.
OK or NG
OK >> GO TO 7.
NG >> Check ignition coil with power transistor and their circuit.
Refer to EC-585, "
IGNITION SIGNAL" .
Items Specifications
Target idle speed 650 ± 50 rpm (in P or N position)
Ignition timing 15 ± 5° BTDC (in P or N position)
Battery voltage should exist.
PBIB1172E
SEF575Q
Page 2027 of 4449
![INFINITI FX35 2004 User Guide EC-686
[VK45DE]
BASIC SERVICE PROCEDURE
Revision: 2004 November 2004 FX35/FX45
2. Connect No. 1 ignition coil and No. 1 spark plug with suitable
high-tension wire as shown, and attach timing light cla](/img/42/57021/w960_57021-2026.png "INFINITI FX35 2004 User Guide EC-686
[VK45DE]
BASIC SERVICE PROCEDURE
Revision: 2004 November 2004 FX35/FX45
2. Connect No. 1 ignition coil and No. 1 spark plug with suitable
high-tension wire as shown, and attach timing light cla")
EC-686
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BASIC SERVICE PROCEDURE
Revision: 2004 November 2004 FX35/FX45
2. Connect No. 1 ignition coil and No. 1 spark plug with suitable
high-tension wire as shown, and attach timing light clamp to this
wire.
3. Check ignition timing.
PBIB1486E
SEF011V
PBIB1487E
Page 2067 of 4449
![INFINITI FX35 2004 User Guide EC-726
[VK45DE]
TROUBLE DIAGNOSIS
Revision: 2004 November 2004 FX35/FX45
TROUBLE DIAGNOSISPFP:00004
Trouble Diagnosis IntroductionABS00BZO
INTRODUCTION
The engine has an ECM to control major systems s](/img/42/57021/w960_57021-2066.png "INFINITI FX35 2004 User Guide EC-726
[VK45DE]
TROUBLE DIAGNOSIS
Revision: 2004 November 2004 FX35/FX45
TROUBLE DIAGNOSISPFP:00004
Trouble Diagnosis IntroductionABS00BZO
INTRODUCTION
The engine has an ECM to control major systems s")
EC-726
[VK45DE]
TROUBLE DIAGNOSIS
Revision: 2004 November 2004 FX35/FX45
TROUBLE DIAGNOSISPFP:00004
Trouble Diagnosis IntroductionABS00BZO
INTRODUCTION
The engine has an ECM to control major systems such as fuel con-
trol, ignition control, idle air control system, etc. The ECM accepts
input signals from sensors and instantly drives actuators. It is essen-
tial that both input and output signals are proper and stable. At the
same time, it is important that there are no malfunctions such as vac-
uum leaks, fouled spark plugs, or other malfunctions with the engine.
It is much more difficult to diagnose an incident that occurs intermit-
tently rather than continuously. Most intermittent incidents are
caused by poor electric connections or improper wiring. In this case,
careful checking of suspected circuits may help prevent the replace-
ment of good parts.
A visual check only may not find the cause of the incidents. A road
test with CONSULT-II (or GST) or a circuit tester connected should
be performed. Follow the Work Flow on EC-727
.
Before undertaking actual checks, take a few minutes to talk with a
customer who approaches with a driveability complaint. The cus-
tomer can supply good information about such incidents, especially
intermittent ones. Find out what symptoms are present and under
what conditions they occur. A Diagnostic Worksheet like the example
on EC-729
should be used.
Start your diagnosis by looking for conventional malfunctions first.
This will help troubleshoot driveability malfunctions on an electroni-
cally controlled engine vehicle.
MEF036D
SEF233G
SEF234G
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![INFINITI FX35 2004 User Guide TROUBLE DIAGNOSIS
EC-769
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DATA MONITOR (SPEC) MODE
Monitored Item
NOTE:
Any monitored item that does not match the vehicle bein](/img/42/57021/w960_57021-2109.png "INFINITI FX35 2004 User Guide TROUBLE DIAGNOSIS
EC-769
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DATA MONITOR (SPEC) MODE
Monitored Item
NOTE:
Any monitored item that does not match the vehicle bein")
TROUBLE DIAGNOSIS
EC-769
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DATA MONITOR (SPEC) MODE
Monitored Item
NOTE:
Any monitored item that does not match the vehicle being diagnosed is deleted from the display automatically.
ACTIVE TEST MODE
Test Item
Monitored item [Unit]ECM
input
signalsMain
signalsDescription Remarks
ENG SPEED [rpm]××
Indicates the engine speed computed
from the signal of the crankshaft position
sensor (POS) and camshaft position
sensor (PHASE).
MAS A/F SE-B1 [V]××
The signal voltage of the mass air flow
sensor specification is displayed.When engine is running specification
range is indicated.
B/FUEL SCHDL
[msec]×
“Base fuel schedule” indicates the fuel
injection pulse width programmed into
ECM, prior to any learned on board cor-
rection.
When engine is running specification
range is indicated.
A/F ALPHA-B1 [%]
A/F ALPHA-B2 [%]×
The mean value of the air-fuel ratio feed-
back correction factor per cycle is indi-
cated.When engine is running specification
range is indicated.
This data also includes the data for the
air-fuel ratio learning control.
TEST ITEM CONDITION JUDGEMENT CHECK ITEM (REMEDY)
FUEL INJEC-
TION
Engine: Return to the original
trouble condition
Change the amount of fuel injec-
tion using CONSULT-II.If trouble symptom disappears, see
CHECK ITEM.
Harness and connectors
Fuel injector
Heated oxygen sensor 1
IGNITION TIM-
ING
Engine: Return to the original
trouble condition
Timing light: Set
Retard the ignition timing using
CONSULT-II.If trouble symptom disappears, see
CHECK ITEM.
Perform Idle Air Volume Learning.
POWER BAL-
ANCE
Engine: After warming up, idle
the engine.
A/C switch OFF
Shift lever: N
Cut off each injector signal one at
a time using CONSULT-II.Engine runs rough or dies.
Harness and connectors
Compression
Fuel injector
Power transistor
Spark plug
Ignition coil
COOLING FAN*
Ignition switch: ON
Turn the cooling fan “HI” and
“OFF” using CONSULT-II.Cooling fan moves and stops.
Harness and connectors
Cooling fan motor
IPDM E/R
ENG COOLANT
TEMP
Engine: Return to the original
trouble condition
Change the engine coolant tem-
perature using CONSULT-II.If trouble symptom disappears, see
CHECK ITEM.
Harness and connectors
Engine coolant temperature sen-
sor
Fuel injector
FUEL PUMP
RELAY
Ignition switch: ON (Engine
stopped)
Turn the fuel pump relay ON and
OFF using CONSULT-II and lis-
ten to operating sound.Fuel pump relay makes the operat-
ing sound.Harness and connectors
Fuel pump relay
Page 2290 of 4449
![INFINITI FX35 2004 User Guide DTC P0300 - P0308 MULTIPLE CYLINDER MISFIRE, NO. 1 - 8 CYLINDER MIS-
FIRE
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DTC P0300 - P0308 MULTIPLE CYLINDER MISFIRE,](/img/42/57021/w960_57021-2289.png "INFINITI FX35 2004 User Guide DTC P0300 - P0308 MULTIPLE CYLINDER MISFIRE, NO. 1 - 8 CYLINDER MIS-
FIRE
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DTC P0300 - P0308 MULTIPLE CYLINDER MISFIRE,")
DTC P0300 - P0308 MULTIPLE CYLINDER MISFIRE, NO. 1 - 8 CYLINDER MIS-
FIRE
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DTC P0300 - P0308 MULTIPLE CYLINDER MISFIRE, NO. 1 - 8 CYLINDER MIS-
FIRE
PFP:00000
On Board Diagnosis LogicABS00C4O
When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the crank-
shaft position (CKP) sensor (POS) signal to vary, ECM can determine that a misfire is occurring.
The misfire detection logic consists of the following two conditions.
1. One Trip Detection Logic (Three Way Catalyst Damage)
On the first trip that a misfire condition occurs that can damage the three way catalyst (TWC) due to over-
heating, the MIL will blink.
When a misfire condition occurs, the ECM monitors the CKP sensor signal every 200 engine revolutions
for a change.
When the misfire condition decreases to a level that will not damage the TWC, the MIL will turn off.
If another misfire condition occurs that can damage the TWC on a second trip, the MIL will blink.
When the misfire condition decreases to a level that will not damage the TWC, the MIL will remain on.
If another misfire condition occurs that can damage the TWC, the MIL will begin to blink again.
2. Two Trip Detection Logic (Exhaust quality deterioration)
For misfire conditions that will not damage the TWC (but will affect vehicle emissions), the MIL will only
light when the misfire is detected on a second trip. During this condition, the ECM monitors the CKP sen-
sor signal every 1,000 engine revolutions.
A misfire malfunction can be detected on any one cylinder or on multiple cylinders.
DTC Confirmation ProcedureABS00C4P
CAUTION:
Always drive vehicle in safe manner according to traffic conditions and obey all traffic laws when driv-
ing.
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
Sensor Input signal to ECM ECM function
Crankshaft position sensor (POS) Engine speed On board diagnosis of misfire
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0300
0300Multiple cylinder misfire
detectedMultiple cylinder misfire.
Improper spark plug
Insufficient compression
Incorrect fuel pressure
The injector circuit is open or shorted
Fuel injector
Intake air leak
The ignition signal circuit is open or
shorted
Lack of fuel
Signal plate
Heated oxygen sensor 1
Incorrect PCV hose connection P0301
0301No.1 cylinder misfire
detectedNo. 1 cylinder misfires.
P0302
0302No. 2 cylinder misfire
detectedNo. 2 cylinder misfires.
P0303
0303No. 3 cylinder misfire
detectedNo. 3 cylinder misfires.
P0304
0304No. 4 cylinder misfire
detectedNo. 4 cylinder misfires.
P0305
0305No. 5 cylinder misfire
detectedNo. 5 cylinder misfires.
P0306
0306No. 6 cylinder misfire
detectedNo. 6 cylinder misfires.
P0307
0307No. 7 cylinder misfire
detectedNo. 7 cylinder misfires.
P0308
0308No. 8 cylinder misfire
detectedNo. 8 cylinder misfires.
Page 2293 of 4449
![INFINITI FX35 2004 User Guide EC-952
[VK45DE]
DTC P0300 - P0308 MULTIPLE CYLINDER MISFIRE, NO. 1 - 8 CYLINDER MIS-
FIRE
Revision: 2004 November 2004 FX35/FX45
5. CHECK IGNITION SPARK
1. Turn ignition switch OFF.
2. Remove ignition](/img/42/57021/w960_57021-2292.png "INFINITI FX35 2004 User Guide EC-952
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DTC P0300 - P0308 MULTIPLE CYLINDER MISFIRE, NO. 1 - 8 CYLINDER MIS-
FIRE
Revision: 2004 November 2004 FX35/FX45
5. CHECK IGNITION SPARK
1. Turn ignition switch OFF.
2. Remove ignition")
EC-952
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DTC P0300 - P0308 MULTIPLE CYLINDER MISFIRE, NO. 1 - 8 CYLINDER MIS-
FIRE
Revision: 2004 November 2004 FX35/FX45
5. CHECK IGNITION SPARK
1. Turn ignition switch OFF.
2. Remove ignition coil assembly from rocker cover.
3. Connect a known-good spark plug to the ignition coil.
4. Disconnect all injector harness connectors.
5. Place end of spark plug against a suitable ground and crank engine.
6. Check for spark.
OK or NG
OK >> GO TO 6.
NG >> Check ignition coil, power transistor and their circuits.
Refer to EC-1262, "
IGNITION SIGNAL" .
6. CHECK SPARK PLUGS
Remove the spark plugs and check for fouling, etc.
OK or NG
OK >> GO TO 7.
NG >> Repair or replace spark plug(s) with standard type
one(s). For spark plug type, refer to, MA-26, "
Changing
Spark Plugs (Platinum-Tipped Type)" .
7. CHECK COMPRESSION PRESSURE
Check compression pressure. Refer to EM-98, "
CHECKING COMPRESSION PRESSURE" .
OK or NG
OK >> GO TO 8.
NG >> Check pistons, piston rings, valves, valve seats and cylinder head gaskets.
8. CHECK FUEL PRESSURE
1. Install all removed parts.
2. Release fuel pressure to zero. Refer to EC-700, "
FUEL PRESSURE RELEASE" .
3. Install fuel pressure gauge and check fuel pressure. Refer to EC-701, "
FUEL PRESSURE CHECK" .
OK or NG
OK >> GO TO 10.
NG >> GO TO 9.
SEF575Q
SEF156I
Standard:
1,320 kPa (13.5 kg/cm2 , 191 psi)/300 rpm
Minimum:
1,130 kPa (11.5 kg/cm
2 , 164 psi)/300 rpm
Difference between each
cylinder:98 kPa (1.0 kg/cm
2 , 14 psi)/300 rpm
At idle: Approx. 350 kPa (3.57 kg/cm
2 , 51 psi)
Page 2312 of 4449
![INFINITI FX35 2004 User Guide DTC P0420, P0430 THREE WAY CATALYST FUNCTION
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DTC P0420, P0430 THREE WAY CATALYST FUNCTIONPFP:20905
On Board Diagnosis L](/img/42/57021/w960_57021-2311.png "INFINITI FX35 2004 User Guide DTC P0420, P0430 THREE WAY CATALYST FUNCTION
EC-971
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DTC P0420, P0430 THREE WAY CATALYST FUNCTIONPFP:20905
On Board Diagnosis L")
DTC P0420, P0430 THREE WAY CATALYST FUNCTION
EC-971
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DTC P0420, P0430 THREE WAY CATALYST FUNCTIONPFP:20905
On Board Diagnosis LogicABS00C5D
The ECM monitors the switching frequency ratio of heated oxygen
sensors 1 and 2.
A three way catalyst (manifold) with high oxygen storage capacity
will indicate a low switching frequency of heated oxygen sensor 2.
As oxygen storage capacity decreases, the heated oxygen sensor 2
switching frequency will increase.
When the frequency ratio of heated oxygen sensors 1 and 2
approaches a specified limit value, the three way catalyst (manifold)
malfunction is diagnosed.
DTC Confirmation ProcedureABS00C5E
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
WITH CONSULT-II
TESTING CONDITION:
Do not hold engine speed for more than the specified minutes below.
1. Turn ignition switch ON and select “DATA MONITOR” mode with
CONSULT-II.
2. Start engine and warm it up to the normal operating tempera-
ture.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Start engine and keep the engine speed between 3,500 and
4,000 rpm for at least 1 minute under no load.
5. Let engine idle for 1 minute.
6. Make sure that “COOLAN TEMP/S” indicates more than 70°C
(158°F).
If not, warm up engine and go to next step when “COOLAN
TEMP/S” indication reaches to 70°C (158°F).
7. Open engine hood.
SEF484YF
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0420
0420
(Bank 1)
Catalyst system effi-
ciency below threshold
Three way catalyst (manifold) does not oper-
ate properly.
Three way catalyst (manifold) does not have
enough oxygen storage capacity.
Three way catalyst (manifold)
Exhaust tube
Intake air leaks
Fuel injector
Fuel injector leaks
Spark plug
Improper ignition timing P0430
0430
(Bank 2)
SEF189Y
Page 2315 of 4449
![INFINITI FX35 2004 User Guide EC-974
[VK45DE]
DTC P0420, P0430 THREE WAY CATALYST FUNCTION
Revision: 2004 November 2004 FX35/FX45
4. CHECK IGNITION TIMING
Check the following items. Refer to EC-733, "
Basic Inspection" .
OK or NG](/img/42/57021/w960_57021-2314.png "INFINITI FX35 2004 User Guide EC-974
[VK45DE]
DTC P0420, P0430 THREE WAY CATALYST FUNCTION
Revision: 2004 November 2004 FX35/FX45
4. CHECK IGNITION TIMING
Check the following items. Refer to EC-733, \"
Basic Inspection\" .
OK or NG")
EC-974
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DTC P0420, P0430 THREE WAY CATALYST FUNCTION
Revision: 2004 November 2004 FX35/FX45
4. CHECK IGNITION TIMING
Check the following items. Refer to EC-733, "
Basic Inspection" .
OK or NG
OK >> GO TO 5.
NG >> Follow the EC-733, "
Basic Inspection" .
5. CHECK INJECTORS
1. Stop engine and then turn ignition switch ON.
2. Check voltage between ECM terminals 21, 22, 23, 40, 41, 42,
44, 63 and ground with CONSULT-II or tester.
Refer to Wiring Diagram for Injectors, EC-1275
.
OK or NG
OK >> GO TO 6.
NG >> Perform EC-1276, "
Diagnostic Procedure" .
6. CHECK IGNITION SPARK
1. Turn ignition switch OFF.
2. Remove ignition coil assembly from rocker cover.
3. Connect a known-good spark plug to the ignition coil assembly.
4. Disconnect all injector harness connectors.
5. Place end of spark plug against a suitable ground and crank engine.
6. Check for spark.
OK or NG
OK >> GO TO 7.
NG >> Check ignition coil with power transistor and their circuit.
Refer to EC-1262, "
IGNITION SIGNAL" .
Items Specifications
Target idle speed 650 ± 50 rpm (in P or N position)
Ignition timing 12 ± 5° BTDC (in P or N position)
Battery voltage should exist.
PBIB1527E
SEF575Q
Page 2726 of 4449
EM-1
ENGINE MECHANICAL
B ENGINE
CONTENTS
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SECTION EM
A
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Revision: 2004 November 2004 FX35/FX45
ENGINE MECHANICAL
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PRECAUTIONS .......................................................... 5
Precautions Necessary for Steering Wheel Rotation
After Battery Disconnect .......................................... 5
OPERATION PROCEDURE ................................. 5
Precautions for Drain Engine Coolant ...................... 5
Precautions for Disconnecting Fuel Piping .............. 5
Precautions for Removal and Disassembly ............. 5
Precautions for Inspection, Repair and Replace-
ment ......................................................................... 5
Precautions for Assembly and Installation ............... 5
Parts Requiring Angle Tightening ............................. 6
Precautions for Liquid Gasket .................................. 6
REMOVAL OF LIQUID GASKET SEALING .......... 6
LIQUID GASKET APPLICATION PROCEDURE ..... 6
PREPARATION ........................................................... 8
Special Service Tools ............................................... 8
Commercial Service Tools ...................................... 10
NOISE, VIBRATION AND HARSHNESS (NVH)
TROUBLESHOOTING .............................................. 13
NVH Troubleshooting —Engine Noise ................... 13
Use the Chart Below to Help You Find the Cause
of the Symptom. ..................................................... 14
DRIVE BELTS ........................................................... 15
Checking Drive Belts .............................................. 15
Tension Adjustment ................................................ 15
ALTERNATOR AND POWER STEERING OIL
PUMP BELT ........................................................ 16
AIR CONDITIONER COMPRESSOR BELT ....... 16
Removal and Installation ........................................ 16
REMOVAL ........................................................... 16
INSTALLATION ................................................... 16
AIR CLEANER AND AIR DUCT ............................... 17
Removal and Installation ........................................ 17
REMOVAL ........................................................... 17
INSTALLATION ................................................... 17
Changing Air Cleaner Filter .................................... 18
INSPECTION ...................................................... 18
REMOVAL ........................................................... 18
INSTALLATION ................................................... 18INTAKE MANIFOLD COLLECTOR .......................... 19
Removal and Installation ........................................ 19
REMOVAL ........................................................... 19
INSPECTION AFTER REMOVAL ....................... 21
INSTALLATION ................................................... 22
INTAKE MANIFOLD ................................................. 24
Removal and Installation ........................................ 24
REMOVAL ........................................................... 24
INSPECTION AFTER REMOVAL ....................... 24
INSTALLATION ................................................... 25
EXHAUST MANIFOLD AND THREE WAY CATA-
LYST .......................................................................... 26
Removal and Installation ........................................ 26
REMOVAL ........................................................... 26
INSPECTION AFTER REMOVAL ....................... 28
INSTALLATION ................................................... 28
OIL PAN AND OIL STRAINER ................................. 30
Removal and Installation ........................................ 30
2WD MODEL ....................................................... 30
REMOVAL ........................................................... 30
INSPECTION AFTER REMOVAL ....................... 32
INSTALLATION ................................................... 32
INSPECTION AFTER INSTALLATION ................ 35
AWD MODEL ...................................................... 36
REMOVAL ........................................................... 36
INSPECTION AFTER REMOVAL ....................... 38
INSTALLATION ................................................... 39
INSPECTION AFTER INSTALLATION ................ 41
IGNITION COIL ......................................................... 42
Removal and Installation ........................................ 42
REMOVAL ........................................................... 42
INSTALLATION ................................................... 42
SPARK PLUG (PLATINUM-TIPPED TYPE) ............. 43
Removal and Installation ........................................ 43
REMOVAL ........................................................... 43
INSPECTION AFTER REMOVAL ....................... 43
INSTALLATION ................................................... 44
Page 2728 of 4449
EM-3
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EMA
Revision: 2004 November 2004 FX35/FX45MANIFOLD AND EXHAUST MANIFOLD ......... 147
SPARK PLUG ................................................... 147
CAMSHAFT AND CAMSHAFT BEARING ........ 148
CYLINDER HEAD ............................................. 150
CYLINDER BLOCK ........................................... 153
PISTON, PISTON RING AND PISTON PIN ...... 154
CONNECTING ROD ......................................... 155
CRANKSHAFT .................................................. 156
MAIN BEARING ................................................ 157
CONNECTING ROD BEARING ........................ 158
VK45DE
PRECAUTIONS ...................................................... 159
Precautions Necessary for Steering Wheel Rotation
After Battery Disconnect ...................................... 159
OPERATION PROCEDURE ............................. 159
Precautions for Drain Engine Coolant .................. 159
Precautions for Disconnecting Fuel Piping .......... 159
Precautions for Removal and Disassembly ......... 159
Precautions for Inspection, Repair and Replace-
ment ..................................................................... 159
Precautions for Assembly and Installation ........... 159
Parts Requiring Angle Tightening ......................... 160
Precautions for Liquid Gasket .............................. 160
REMOVAL OF LIQUID GASKET SEALING ...... 160
LIQUID GASKET APPLICATION PROCEDURE . 160
PREPARATION ....................................................... 162
Special Service Tools ........................................... 162
Commercial Service Tools .................................... 164
NOISE, VIBRATION AND HARSHNESS (NVH)
TROUBLESHOOTING ............................................ 166
NVH Troubleshooting —Engine Noise ................. 166
Use the Chart Below to Help You Find the Cause
of the Symptom. ................................................... 167
ENGINE ROOM COVER ........................................ 168
Removal and Installation ...................................... 168
REMOVAL ......................................................... 168
INSTALLATION ................................................. 168
DRIVE BELTS ......................................................... 169
Checking Drive Belts ............................................ 169
Tension Adjustment .............................................. 169
Removal and Installation ...................................... 169
REMOVAL ......................................................... 169
INSTALLATION ................................................. 170
Drive Belt Auto Tensioner and Idler Pulley ........... 171
REMOVAL ......................................................... 171
INSTALLATION ................................................. 171
AIR CLEANER AND AIR DUCT ............................. 172
Removal and Installation ...................................... 172
REMOVAL ......................................................... 172
INSTALLATION ................................................. 172
Changing Air Cleaner Filter .................................. 173
REMOVAL ......................................................... 173
INSTALLATION ................................................. 173INTAKE MANIFOLD ...............................................174
Removal and Installation ......................................174
REMOVAL .........................................................174
INSPECTION AFTER REMOVAL .....................176
INSTALLATION .................................................176
INSPECTION AFTER INSTALLATION ..............177
EXHAUST MANIFOLD AND THREE WAY CATA-
LYST ........................................................................178
Removal and Installation ......................................178
REMOVAL .........................................................178
INSPECTION AFTER REMOVAL .....................180
INSTALLATION .................................................180
OIL PAN AND OIL STRAINER ...............................181
Removal and Installation ......................................181
REMOVAL .........................................................181
INSPECTION AFTER REMOVAL .....................183
INSTALLATION .................................................183
INSPECTION AFTER INSTALLATION ..............183
IGNITION COIL .......................................................185
Removal and Installation ......................................185
REMOVAL .........................................................185
INSTALLATION .................................................185
SPARK PLUG (PLATINUM-TIPPED TYPE) ...........186
Removal and Installation ......................................186
REMOVAL .........................................................186
INSPECTION AFTER REMOVAL .....................186
INSTALLATION .................................................187
FUEL INJECTOR AND FUEL TUBE ......................188
Removal and Installation ......................................188
REMOVAL .........................................................188
INSTALLATION .................................................190
INSPECTION AFTER INSTALLATION ..............192
ROCKER COVER ...................................................193
Removal and Installation ......................................193
REMOVAL .........................................................193
INSTALLATION .................................................195
TIMING CHAIN ........................................................196
Removal and Installation ......................................196
REMOVAL .........................................................197
INSPECTION AFTER REMOVAL .....................201
INSTALLATION .................................................201
INSPECTION AFTER INSTALLATION ..............207
CAMSHAFT ............................................................208
Removal and Installation ......................................208
REMOVAL .........................................................208
INSPECTION AFTER REMOVAL .....................209
INSTALLATION .................................................212
Valve Clearance ...................................................214
INSPECTION ....................................................214
ADJUSTMENT ..................................................217
OIL SEAL ................................................................221
Removal and Installation of Valve Oil Seal ...........221
REMOVAL .........................................................221
INSTALLATION .................................................221
Removal and Installation of Front Oil Seal ...........222
REMOVAL .........................................................222