Cylinder block plugs and sensors. 100 - cylinder block, 101 - front oil gallery plug, 110 - sealing ring, 111 - rear oil gallery plug, 112 - side oil gallery plug, 113 - washer, 114 - coolant heater, 115 - washer, 116 - side oil gallery plug, 117 - washer, 130 - transmission housing dowel pin, 145 - washer, 146 - cooling system drain plug, 700 - bolt, 701 - crankshaft position sensor, 702 - sealing ring, 703 - camshaft position sensor, 704 - sealing ring, 705 - bolt, 706 - oil pressure sensor, 707 - washer, 718 - knock sensor, 739 - knock sensor bolt