What is the torque of Geely Emgrand cylinder head screw?

The torque wrench must be used in auto repair, and the torque stipulated in the maintenance manual must be strictly observed to tighten the screws, but most people rely on experience or even feeling. Generally speaking, the torque of cylinder head screw is 100 Nm, 50 Nm for small tile and 80 Nm for large tile. There are slight differences between different models. For example, for a certain model, the cylinder head screw is 30 Nm for the first time and tightened 155 degrees for the last time; The connecting rod screw is 25nm for the first time and 100 degree for the last time; Lower the crankcase screws by 20 nm for the first time, tighten them by 70 degrees for the last time, and lower the screws around the crankcase by 25 nm for the first time. If there is no maintenance manual to refer to, tighten the screws according to cylinder head 80- 100, big tile 80 and small tile 45-50. When repairing a car, you must use a torque wrench at the core.