Cylinder Head: Installation
- Ensure cylinder head bolt threads and cylinder block holes are clean. Ensure all gasket holes align with cylinder block. Apply GM Sealant (1052080) to cylinder head bolt threads.
- Install cylinder head. Tighten bolts to specification in sequence. See TORQUE SPECIFICATIONS . To complete installation, reverse removal procedure. See Fig 1 . Coat rocker arm bolts with GM Threadlock (12345493).