THE ROCKER ARMS AND CAMSHAFT
5. Measure:
•
rocker arm shaft outside diameter a
Out of specification
-»
Replace.
Rocker arm shaft outside diameter
9.981 ~ 9.991 mm (0.3930 ~ 0.3933
in)
<Limit>:9.950mm (0.3917 in)
6. Calculate:
•
rocker-arm-to-rocker-arm-shaft clearance
NOTE:
Calculate the clearance by subtracting the rocker
arm shaft outside diameter from the rocker arm
inside diameter.
Above 0.034 mm (0.0013 in)
-»
Replace the de-
fective part(s).
Rocker-arm-to-rocker-arm-shaft
clearance
0.009 ~ 0.034 mm (0.0004 ~ 0.0013
in)
5-17
EAS00207
CHECKING THE TIMING CHAIN, CAMSHAFT
SPROCKET, AND TIMING CHAIN GUIDES
1. Check:
•
timing chain
Damage/stiffness
-»
Replace the timing
chain and camshaft sprocket as a set.
2. Check:
•
camshaft sprocket
More than 1/4 tooth wear a
-»
Replace
the camshaft sprocket and the timing
chain as a set.
a 1/4 tooth
b Correct
(T)
Timing chain roller
(2)
Camshaft sprocket
3. Check:
•
timing chain guide (exhaust side)
•
timing chain guide (intake side)
Damage/wear
-»
Replace the defective
part(s).
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