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Cylinder Head: Installation

  1. Clean gasket surfaces, bolt threads and bolt holes. If using steel head gasket, thinly coat both sides of gasket with sealant. DO NOT apply sealant to composition (steel/asbestos) head gaskets. Position head gasket on cylinder block. Ensure all holes align. Coat head bolt threads with GM Sealant (1052080).
  2. Install cylinder head with bolts finger-tight. Tighten retaining head bolts in sequence to specification. See Fig 1. See TORQUE SPECIFICATIONS . Lubricate valve tip, rocker arm pivot and push rod socket with Molykote.
  3. To complete installation, reverse removal procedure. Adjust valves. See VALVE CLEARANCE ADJUSTMENT  under ADJUSTMENTS.
Fig 1: Cylinder Head Bolt Tightening Sequence
G95D27055Courtesy of GENERAL MOTORS CORP.
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