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ENGINE INSPECTION AND REPAIR
NOTE:
Before
washing
the
cylinder
head
and
block,
check
them
for indications of water leaks, gas leaks, damage or cracks.
Before checking,
wash
each
part
to
remove any adhered
foreign
matter (pieces of gasket, dust, oil, carbon, scale, etc.)
Since the cylinder head, cylinder head cover, timing chain cover
and other engine parts are made of aluminum, handle them carefully
to ensure against damage.
Do not use cleaning solutions that will be harmful to the alumi-
num.
Checking Cylinder Head
1.
Replace the cylinder head,
if it has any damage, such as water
leaks, gas leaks or cracks.
2.
Measure
the
extent
of
warping
(flatness)
on
the
lower
surface
along the areas shown in the figure.
If the warping is more than
specifications, grind the surface or replace.
5t
r
aight-etlgs
Height of cylinder head:
90.5 mm (3.5630in)
Warp limit:
0.15 mm (0.006in)
Grinding limit:
0.2 mm (0.008 in)
Checking Valve Guide
Measure
the
clearance
between
the
valve
and
guide.
If
the
clearance exceeds the specified limit, replace the guide or valve,
or both.
Clearance limit: 0.20 mm
(0.0079 in)
35
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