Description & Operation: Engine: Camshaft
WARNING: This page is about a different car, the 2002 Pontiac Sunfire and 2002 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
Two camshafts are used, one for all intake valves, the other for all exhaust valves. The camshafts are cast iron. The intake camshaft has a pressed-in hex insert. The hex insert is used to drive the direct drive power steering pump. The intake camshaft also has the camshaft position sensor lobe cast onto it.