Timing sprocket
32
Assembly instructions of timing sprocket
1. Rotate the intake/exhaust camshafts so
as to bring 2 timing marks on the intake
and exhaust VVTs to a specified angel.
2. Install the timing sprocket rail.
3. Install the timing sprocket.
l The timing marks on the
intake/exhaust VVT and timing
sprocket should be aligned with that
on the timing sprocket.
4. Fit the tensioner arm (SeeāāAssembly
Instructions of Tensioner Arm).
l Be sure that the timing sprocket stays
in the timing sprocket rail and
tensioner arm groove.
5. Pull out the lock pin of tensioner, now the
tappet will pop up and push the tensioner
arm to compress the timing sprocket.
l Confirm that the timing sprocket chain
is in the guide groove of tensioner arm
and timing sprocket rail.
6. Confirm that all timing marks (4) are completely aligned.
l If not aligned, disassemble the timing sprocket, and restart the operation from the
1
st
step.
7. Turn clockwise two crankshaft ring and confirm that two valve check signs on the
intake/exhaust VVT sprockets have been aligned.
l If not aligned, restart from the 1
st
step.
Assembly instructions of cylinder head cover
1. Confirm that there are no oil, water and other foreign substances in the cylinder head cover
groove.
2. Confirm that the cylinder head cover gasket has fully attached in the groove of cylinder
head cover.
3. Smear sealant on the joint part between the cylinder head and timing sprocket casing.
Timing mark
Timing mark
Timing mark
Intake side
Exhaust side
Valve check sign
Key slot faced
upward
Sealant coating area
Sealant coating area
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