How to Remove Car Valves?

[LaDonovan]

Steps for disassembling and assembling the car engine valve group. The valve group includes components such as valves, valve guides, valve seats, and valve springs. Some intake valves also have valve rotating mechanisms. "Remove the cylinder head fixing screws, noting that the screws should be loosened in a crisscross pattern from both ends towards the center. Remove the cylinder head gasket, paying attention to the installation orientation of the gasket. Flip the engine over and remove the oil pan fixing screws (note that the screws should also be loosened from both ends towards the center). Remove the oil pan and the oil pan sealing gasket. Loosen the fixing screws of the oil coarse filter and remove the oil filter, oil pump sprocket, and oil pump. Disassemble the engine piston connecting rod group, and rotate the crankshaft to position the pistons of cylinders 1 and 4 at the bottom dead center.