Lucerne V6-3.8L VIN 2 (2006)
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Assemble the timing chain on the sprockets with the timing marks as close together as possible.
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Important: Rotate the engine two revolutions and check the timing marks. Ensure that the marks are aligned.
Buick Workshop Service and Repair Manuals
Timing Cover >
< Timing Component Alignment Marks|Locations|Page 5700
Page 3
