Cylinder Head Installation

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Fig 1: Cylinder Head With Bolt Tightening Sequence

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
1	Cylinder Head Gasket NOTE: Ensure that the cylinder head and the engine block sealing surfaces are clear of oil, grease, and old gasket material.
2	Cylinder Head Assembly
3	Cylinder Head Bolt (Qty: 10) CAUTION: Refer to Fastener Caution . CAUTION: Refer to Torque-to-Yield Fastener Caution . Procedure Tighten the NEW cylinder head bolts in the sequence shown. Tighten the bolts a first pass to 30 N.m (22 lb ft). Using the EN-45059 - A angle meter, tighten the bolts a final pass to 240 degrees. Special Tools EN-45059 - A Angle Meter For equivalent regional tools, refer to Special Tools .