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ENG
INSPECTION AND REPAIR
CAM SPROCKET AND CAM DRIVE SPROCKET
1.Inspect:
● Cam sprocket
● Cam drive sprocket (crank shaft)
Wear/Damage → Replace cam sprocket
and timing chain as a set.
1 1/4 tooth
2 Correct
3 Roller
4 Sprocket
TIMING CHAIN GUIDE
1.Inspect:
● Timing chain guide 1 (exhaust)
● Timing chain guide 2 (intake)
Wear/Damage → Replace.
TIMING CHAIN TENSIONER
1.Inspect:
● Chain tensioner rod 1
● Gaskets 2
Damage/Wear → Replace.
2.Check:
● Timing chain tensioner play
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Checking steps:
●While pressing the tensioner rod lightly
with fingers, use a thin screwdriver 1 and
wind the tensioner rod up fully clockwise.
●When releasing the screwdriver by press-
ing lightly with fingers, make sure that the
tensioner rod will come out smoothly.
●If not, replace the tensioner assembly.
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