IMPORTANT: Rotate the crankshaft
balancer in a clockwise rotation ONLY.
5. Rotate the crankshaft using the crankshaft balancer bolt until the camshafts are in a neutral (low
tension) position. The camshaft flats will be parallel with the camshaft cover rail (1).
Fig 1: Camshaft Flats Parallel With Camshaft Cover Rail
Courtesy of GENERAL MOTORS CORP.