Subaru STi TIMING BELT User Manual
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intake and exhaust valves to lift simultaneously,
resulting in interference with their heads.
7) Installation of timing belt:
Align the alignment mark on the timing belt with marks on the sprockets in the
alphabetical order shown in
the figure. While aligning marks, position the timing belt properly.
CAUTION:
• Disengagement of more than three timing belt teeth may result in interference
between the valve
and piston.
• Ensure the belt’s rotating direction is correct.