Page 2265 of 3051
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 ToolsNLEM0004
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-8
Page 2266 of 3051
Tool name Description
Valve guide reamer
NT016
Reaming valve guide1or hole for oversize valve
guide2
Intake & Exhaust:
d
1: 5.5 mm (0.217 in) dia.
d
2: 9.685 mm (0.3813 in) dia.
Front oil seal drift
NT049
Installing front oil seal
a: 52 mm (2.05 in) dia.
b: 40 mm (1.57 in) dia.
Rear oil seal drift
NT049
Installing rear oil seal
a: 103 mm (4.06 in) dia.
b: 84 mm (3.31 in) dia.
Oxygen sensor thread
cleaner
NT778
Reconditioning the exhaust system threads before
installing a new oxygen sensor. Use with anti-
seize lubricant shown below.
a: 18 mm dia. with a pitch of 1.5 mm for Zirco-
nia Oxygen Sensor
b: 12 mm dia. with a pitch of 1.25 mm for Tita-
nia Oxygen Sensor
Anti-seize lubricant (Per-
matex
TM133AR or
equivalent meeting MIL
specification MIL-A-907)
NT779
Lubricating oxygen sensor thread cleaning tool
when reconditioning exhaust system threads
PREPARATIONQG
Commercial Service Tools (Cont'd)
EM-9
Page 2267 of 3051

NLEM0005
NVH Troubleshooting Ð Engine NoiseNLEM0005S01Use the chart below to help you find the cause of the symptom.
1. Locate the area where noise occurs.
2. Confirm the type of noise.
3. Specify the operating condition of engine.
4. Check specified noise source.
If necessary, repair or replace these parts.
Location of
noiseType of
noiseOperating condition of engine
Source of
noiseCheck itemReference
page Before
warm-
upAfter
warm-
upWhen
start-
ingWhen
idlingWhen
racingWhile
driving
To p o f
Engine
Rocker
Cover Cyl-
inder HeadTicking or
clickC A Ð A B Ð Tappet
noiseValve clearance EM-42
Rattle C A Ð A B C Camshaft
bearing
noiseCamshaft journal clear-
ance
Camshaft runoutEM-37
Crankshaft
Pulley
Cylinder
block (Side
of Engine)
Oil panSlap or
knockÐ A Ð B B Ð Piston pin
noisePiston and piston pin
clearance
Connecting rod bushing
clearanceEM-54, 59
Slap or
rapA Ð Ð B B A Piston slap
noisePiston-to-bore clearance
Piston ring side clearance
Piston ring end gap
Connecting rod bend and
torsionEM-54, 55,
56
Knock A B CB B B Connecting
rod-bearing
noiseConnecting rod bearing
clearance (Big end)
Connecting rod bushing
clearance (Small end)EM-58, 59
Knock A B Ð A B C Main bear-
ing noiseMain bearing oil clear-
ance
Crankshaft runoutEM-57
Front of
Engine Tim-
ing Chain
CoverTapping
or tickingAAÐBBBTiming
chain and
chain ten-
sioner noiseTiming chain cracks and
wear
Timing chain tensioner
operationEM-26
Front of
EngineSqueak or
fizzingA B Ð B Ð C Other drive
belts (stick-
ing or slip-
ping)Drive belts deflection EM-17
CreakingABABABOther drive
belts (slip-
ping)Idler pulley bearing
operation
Squall or
creakABÐBABWater
pump noiseWater pump operation LC-14
A: Closely related B: Related C: Sometimes related Ð: Not related
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGQG
NVH Troubleshooting Ð Engine Noise
EM-10
Page 2268 of 3051
SEM937F
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGQG
NVH Troubleshooting Ð Engine Noise (Cont'd)
EM-11
Page 2269 of 3051
Removal and InstallationNLEM0006
YEM002
1. Oil pressure switch
2. EGR valve
3. EGR tube
4. Air relief plug
5. Intake manifold6. Intake manifold upper support
7. Intake manifold lower supports
8. Oil filter
9. Thermostat
10. Water pump11. Water pump pulley
12. EGR solenoid valve
13. EGR guide tube
14. EGR gas temperature sensor
OUTER COMPONENT PARTSQG
Removal and Installation
EM-12
Page 2270 of 3051
YEM003
1. Throttle position sensor
2. IACV-AAC valve
3. Throttle body
4. Injector5. Injector tube
6. Pressure regulator
7. Intake manifold
8. Canister purge control valve9. Throttle opener
10. One way valve
11. Vacuum tank
12. Swirl control solenoid valve
OUTER COMPONENT PARTSQG
Removal and Installation (Cont'd)
EM-13
Page 2271 of 3051
YEM004
1. Throttle position sensor
2. IACV-AAC valve
3. Throttle body4. Injector
5. Injector tube
6. Pressure regulator7. Intake manifold
8. Canister purge control valve
OUTER COMPONENT PARTSQG
Removal and Installation (Cont'd)
EM-14
Page 2272 of 3051
YEM005
1. Crankshaft pulley
2. Engine coolant temperature
3. Gasket
4. Exhaust manifold
5. Exhaust manifold cover6. Thermal transmitter
7. Water drain plug
8. Heated oxygen sensor 1 (front)
9. Three way catalyst10. Converter cap
11. Converter cover
12. Ignition coil
13. Spark plug
OUTER COMPONENT PARTSQG
Removal and Installation (Cont'd)
EM-15