**********************************
3.Measure:
• Cylinder head warpage
Out
of
specification
-7
Resurface.
ENG
Cylinder head warpage:
less
than
0.03
mm
(0.001 in)
Warpage measurement and resurfacement
steps:
.Place
a straightedge
G)
and a feeler gauge
® across the cylinder head.
• Use a feeler gauge
to
measure
the
warpage.
•
If
the warpage is
out
of
specification,
resurface the cylinder head.
• Place a
400
'"
600
grit
wet
sandpaper on
the surface plate, and resurface the head
using a figure-eight sanding pattern.
NOTE:
_
To ensure an even surface rotate
the
cylin-
der
head several times.
CYLINDER HEADS
**********************************
4.1nspect:
• Camshaft sprockets
Wear/damage
-7
Replace
the
camshaft
sprockets and the
timing
chain as a set.
® 1/4
tooth
<£)
Correct
G) Roller
® Sprocket
343-014
5.Check:
• One-way cam operation (tensioner)
Unsmooth operation
-7
Replace.
4 13
To Next Page
