Removal |
1. |
Turn the crankshaft pulley clockwise, and align its groove with the
timing mark of the timing chain cover.
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2. |
Remove the timing chain cover.
(Refer to Timing System - "Timing Chain Cover")
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3. |
Align the timing marks of the CVVT sprockets with the upper surface
of the cylinder head to make No.1 cylinder be positioned at TDC.
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4. |
Remove the timing chain (A).
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5. |
Remove the timing chain tensioner arm (A) and guide (B).
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6. |
Remove the timing chain (A).
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Inspection |
1. |
Check the CVVT sprocket, crankshaft sprocket teeth for abnormal wear,
cracks or damage. Replace if necessary.
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2. |
Check a contact surface of the chain tensioner arm and guide for abnormal
wear, cracks or damage.
Replace if necessary.
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3. |
Check the hydraulic tensioner for its piston stroke and ratchet operation.
Replace if necessary.
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4. |
Check the timing chain for its elongation, abnormal wear or damage.
Replace if necessary.
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Installation |
1. |
Dowel pin of crankshaft should be positioned at 3° in relation to vertical
center line.
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2. |
Align the TDC marks (A) of the CVVT sprockets with the upper surface
of the cylinder head to make No.1 cylinder be positioned at TDC.
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3. |
Install the new O-rings (A).
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4. |
Install the timing chain guide (A) and the timing chain (B).
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5. |
Install the chain tensioner arm (A).
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6. |
Install the hydraulic tensioner (A) and remove the pin (B).
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7. |
Install the timing chain cover.
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