Installation (4.3L, 5.0L & 5.7L)
WARNING: This page does not describe the selected car, but rather 55 other vehicles, including the 1999 Oldsmobile Bravada, 1999 GMC Yukon, 1999 GMC Suburban, 1999 GMC Sonoma, and 1999 GMC Sierra. However, it is still accessible from the selected car via links, so may be relevant.
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.