DOHC Engine
1 - cylinder head cover; 2 - camshaft gears; 3 - sealing plate; 4 - camshafts; 5 - hydraulic valve lifters; 6 - thermostat housing; 7 - thermostat; 8 - cooling system thermal switch; 9 - temperature sensor; 10 - cylinder head bolt; 11 - cylinder head; 12 - cylinder head gasket; 13 - valve crackers; 14 - upper cup of valve spring; 15 - valve spring; 16 - lower valve spring cup; 17 - valve; 18 - oil deflector cap; 19 - valve guide