Install the timing belt. Rotate the coolant pump clockwise using the J 4. A. 5. Rotate the coolant pump clockwise until the adjust arm pointer of the timing belt automatic tensioner is aligned to the notch in the timing belt automatic tensioner bracket. Tighten the coolant pump retaining bolts. Rotate the crankshaft 2 full turns clockwise using the crankshaft pulley bolt. Loosen the coolant pump retaining bolts.
Rotate the coolant pump until the adjust arm pointer of the timing belt automatic tensioner is aligned with the pointer on the timing belt automatic tensioner bracket. Tighten the coolant pump retaining bolts. Tighten Tighten the coolant pump retaining bolts to 1. Nm (8. 9 lb in). GM recommends rotating the crankshaft twice after the initial adjustment to make sure all of the timing marks are correctly aligned.