2.0 LITER. Camshaft sensor bolt. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure the EGR Valve Cooler to it's mounting point. Bolt attachment for variable displacement oil control Solenoid. Engine Camshaft Position Sensor Bolt. screw. EGR Cooler mount. Engine Camshaft Position Sensor. Engine Variable Displacement Oil Control. Exhaust Gas Recirculation (EGR) Cooler.