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CAMSHAFTS
ENG
NOTE:
EAS00208
CHECKING THE TIMING CHAIN, CAMSHAFT
SPROCKETS, AND TIMING CHAIN GUIDES
The following procedure applies to all of the
camshaft sprockets and timing chain guides.
1. Check:
Stiming chain
1
Damage/stiffness ! Replace the timing
chain and camshaft sprockets as a set.
2. Check:
Scamshaft sprocket
More than 1/4 tooth wear
a
! Replace the
camshaft sprockets and the timing chain as a
set.
a
1/4 tooth
b
Correct
1
Timing chain roller
2
Camshaft sprocket
3. Check:
Stiming chain guide (exhaust side)
1
Stiming chain guide (intake side)
2
Stiming chain guide (top side)
3
Damage/wear ! Replace the defective
part(s).
EAS00210
CHECKING THE TIMING CHAIN TENSIONER
1. Check:
Stiming chain tensioner
Cracks/damage ! Replace.
2. Check:
Sone-way cam operation
Rough movement ! Replace the timing
chain tensioner assembly.
a. Lightly press the timing chain tensioner rod
into the timing chain tensioner housing by
hand.
While pressing the timing chain tensioner rod,
wind it clockwise with a thin screwdriver
1
until
it stops.