18
N73B60 Engine - Diagnosis
• Remove piston/connecting rod assembly from any cylinder of the bank
(caution - use care around the oil spray jet).
• Remove crankshaft thrust bearing cap for visual inspection.
• Measure the piston diameter.
• Measure the cylinder bore that the piston was removed from.
Questions (N62 section can be used)
W
Wh
ha
att iis
s tth
he
e p
piis
stto
on
n d
diia
am
me
ette
err?
?
W
Wh
ha
att a
arre
e tth
he
e c
cy
ylliin
nd
de
err b
bo
orre
e m
me
ea
as
su
urre
em
me
en
ntts
s?
? F
Fiillll iin
n tth
he
e c
ch
ha
arrtt::
Side to Side Front to Back
W
Wh
ha
att iis
s tth
he
e p
piis
stto
on
n iin
ns
stta
alllla
attiio
on
n c
clle
ea
arra
an
nc
ce
e o
on
n a
a ““u
us
se
ed
d”” p
piis
stto
on
n?
?
W
Wh
ha
att iis
s tth
he
e p
pe
errm
miis
ss
siib
blle
e tto
otta
all w
we
ea
arr tto
olle
erra
an
nc
ce
e b
be
ettw
we
ee
en
n p
piis
stto
on
n a
an
nd
d c
cy
ylliin
nd
de
err?
?
W
Wh
ha
att iis
s tth
he
e p
pe
errm
miitttte
ed
d o
ou
utt--o
off--rro
ou
un
nd
d o
off a
a c
cy
ylliin
nd
de
err b
bo
orre
e?
?
W
Wh
ha
att iis
s tth
he
e p
pe
errm
miitttte
ed
d c
co
on
niic
ciitty
y ((tta
ap
pe
err)) o
off a
a c
cy
ylliin
nd
de
err b
bo
orre
e?
?
H
Ho
ow
w a
arre
e tth
he
e p
piis
stto
on
ns
s iid
de
en
nttiiffiie
ed
d ffo
orr tth
he
e c
cy
ylliin
nd
de
err b
ba
an
nk
k?
?
W
Wh
ha
att iis
s tth
he
e c
co
orrrre
ec
ctt w
wa
ay
y tto
o iin
ns
stta
allll c
co
on
nn
ne
ec
cttiin
ng
g rro
od
ds
s ((o
on
n tth
he
e p
piis
stto
on
ns
s)) ffo
orr c
cy
ylliin
nd
de
err b
ba
an
nk
k 1
1 -- 6
6?
?
Top
Center
Bottom
