Infiniti F50. Manual — part 530
PREPARATION
EM-7
C
D
E
F
G
H
I
J
K
L
M
A
EM
Commercial Service Tools
EBS001L6
—
(J- 45476)
Ring gear stopper
Removing and installing crankshaft pulley
—
(J-45488)
Quick connector release
Removing fuel tube quick connectors in
engine room
(Available in SEC. 164 of PARTS CATALOG:
Part No. 16441 6N210)
Tool number
(Kent-Moore No.)
Tool name
Description
PBIC1655E
PBIC0198E
(Kent-Moore No.)
Tool name
Description
Power tool
Loosening bolts and nuts
Spark plug wrench
Removing and installing spark plug
(J24239-01)
Cylinder head bolt wrench
Loosening and tightening cylinder head bolt,
and used with angle wrench [SST:
KV10112100 (BT8653-A)]
a: 13 (0.51) dia.
b: 12 (0.47)
c: 10 (0.39)
Unit: mm (in)
Valve seat cutter set
Finishing valve seat dimensions
PBIC0190E
S-NT047
NT583
S-NT048
EM-8
PREPARATION
Piston ring expander
Removing and installing piston ring
Valve guide drift
Removing and installing valve guide
Intake & Exhaust:
a: 9.5 mm (0.374 in) dia.
b: 5.5 mm (0.217 in) dia.
Valve guide reamer
1: Reaming valve guide inner hole
2: Reaming hole for oversize valve guide
Intake & Exhaust:
d
1
: 6.0 mm (0.236 in) dia.
d
2
: 10.2 mm (0.402 in) dia.
Front oil seal drift
Installing front oil seal when front cover is
removed
Rear oil seal drift
Installing rear oil seal
(J-43897-18)
(J-43897-12)
Oxygen sensor thread cleaner
Reconditioning the exhaust system threads
before installing a new heated oxygen sensor
(Use with anti-seize lubricant shown below.)
a: J-43897-18 (18 mm dia.) for zirconia
heated oxygen sensor
b: J-43897-12 (12 mm dia.) for titania
heated oxygen sensor
Anti-seize lubricant (Permatex 133AR
or equivalent meeting MIL
specification MIL-A-907)
Lubricating heated oxygen sensor thread
cleaning tool when reconditioning exhaust
system threads
(Kent-Moore No.)
Tool name
Description
S-NT030
S-NT015
S-NT016
ZZA0012D
ZZA0025D
AEM488
AEM489
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
EM-9
C
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EM
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
PFP:00003
NVH Troubleshooting —Engine Noise
EBS002MG
PBIC0192E
EM-10
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
Use the Chart Below to Help You Find the Cause of the Symptom.
EBS002MH
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.
A: Closely related
B: Related
C: Sometimes related
—: Not related
Location
of noise
Type of
noise
Operating condition of engine
Source of
noise
Check item
Refer-
ence page
Before
warm-
up
After
warm-
up
When
start-
ing
When
idling
When
racing
While
driving
Top of
engine
Rocker
cover
Cylinder
head
Ticking or
clicking
C
A
—
A
B
—
Tappet noise
Valve clearance
Rattle
C
A
—
A
B
C
Camshaft
bearing noise
Camshaft journal clear-
ance
Camshaft runout
Crank-
shaft pul-
ley
Cylinder
block
(Side of
engine)
Oil pan
Slap or
knock
—
A
—
B
B
—
Piston pin
noise
Piston and piston pin
clearance
Connecting rod bush-
ing oil clearance (Small
end)
Slap or
rap
A
—
—
B
B
A
Piston slap
noise
Piston to cylinder bore
clearance
Piston ring side clear-
ance
Piston ring end gap
Connecting rod bend
and torsion
Knock
A
B
C
B
B
B
Connecting
rod bearing
noise
Connecting rod bush-
ing oil clearance (Small
end)
Connecting rod bear-
ing (Big end)
Knock
A
B
—
A
B
C
Main bearing
noise
Main bearing oil clear-
ance
Crankshaft runout
Front of
engine
Timing
chain
cover
Tapping or
ticking
A
A
—
B
B
B
Timing chain
and chain
tensioner
noise
Timing chain cracks
and wear
Timing chain tensioner
operation
Front of
engine
Squeak-
ing or fizz-
ing
A
B
—
B
—
C
Drive belts
(Sticking or
slipping)
Drive belts deflection
Creaking
A
B
A
B
A
B
Drive belts
(Slipping)
Idler pulley bearing
operation
Squall
Creak
A
B
—
B
A
B
Water pump
noise
Water pump operation
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