1. Tighten the head bolts to 10 ft-lbs (14 Nm) in the proper sequence.
2. Tighten the head bolts to 20 ft-lbs (27 Nm) in the proper sequence.
3. Tighten the head bolts an additional 90 degrees in the proper sequence.
It's important to follow the proper tightening sequence to ensure an even and secure seal between the cylinder head and the engine block. Always refer to the vehicle's service manual for specific torque specifications and tightening procedures for your particular model and engine.
