Installation (4.3L, 5.0L & 5.7L)
WARNING: This page is about a different variant/trim than selected.
Clean gasket surfaces, bolt threads and bolt holes. Position NEW head gasket on cylinder block. Ensure all holes align. Coat head bolt threads with GM Sealant (1052080). Install cylinder head with bolts finger-tight. Tighten head bolts in sequence to specification. See Fig 1 - Fig 2 . See TORQUE SPECIFICATIONS . Lubricate the valve tip, rocker arm pivot and push rod socket with a high viscosity oil containing Zinc (1052367) or equivalent. To complete cylinder head installation, reverse removal procedure. Adjust the valves. See VALVE CLEARANCE ADJUSTMENT under ADJUSTMENTS.