What is the torque of Buick Hideo 1.0 cylinder head screw?

120 ~ 180 nm. According to Buick Hideo's data, the torque of Buick Hideo 1.0 cylinder head screw is 120~ 180Nm, and that of Keyinglong 1.6 cylinder head screw is 25 Nm. Tightening method of cylinder head screw:

1. First, screw it from the middle to both sides, the first time to 50% of the final torque, and then completely loosen it.

2. Then twist 50% from the middle to both sides.