CTS V6-3.2L VIN N (2003)
13. Set the initial timing belt tension:
13.1 Rotate the tensioner eccentric counter clockwise to full stop, turn the eccentric back until the reference mark is 1 mm (0.03 in) over the
flange.
13.2 Tighten the timing belt tensioner locking nut until snug.
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The locking nut will be tightened to specifications after all final adjustments are made.
14. Inspect the alignment marks on the timing belt to ensure that they are aligned with the appropriate reference points on the camshaft gears, the rear
timing belt cover and on the oil pump housing.
15. Remove the J 42069-30, the J 42069-1 and the J 42069-2 locking tools from the engine.