HHR L4-2.4L (2010)
21. Install the exhaust camshaft actuator onto the exhaust camshaft, aligning the dowel pin into the camshaft slot.
22. Using a 23 mm open end wrench, rotate the exhaust camshaft approximately 45 degrees until the dowel pin in the camshaft actuator goes into the
camshaft slot.
23. When the actuator seats on the cam, tighten the new exhaust camshaft actuator bolt hand tight.