What is Tighting sequence for heads on 2.2 buick century?

The tightening sequence for the cylinder heads on a 2.2L Buick Century typically follows a specific pattern to ensure even pressure and prevent warping. Generally, you would start from the center bolts and work your way outwards in a crisscross pattern. The torque specifications usually involve an initial tightening followed by a final torque stage, often around 70-75 ft-lbs, but it's essential to consult the specific service manual for your vehicle for precise values and steps. Always use a torque wrench for accuracy.