1. First pass: 29 ft-lb (39 N·m)
2. Second pass: 51 ft-lb (70 N·m)
3. Third pass: 65 ft-lb (88 N·m)
4. Final pass: 72 ft-lb (98 N·m)
Always follow the recommended torque specifications provided by the vehicle manufacturer to ensure proper installation of the cylinder head bolts and avoid any damage to the engine. It's also important to use a quality torque wrench to achieve accurate and consistent torque values.
