Cylinder Head Installation

WARNING: This page is about a different variant/trim than selected.

Fig 1: Exploded View Of Cylinder Head Components And Bolts With Tightening Sequence

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedures Ensure that all mating surfaces are clean and free of debris. Do not use any sealing material. If necessary, install NEW cylinder head locating pins.
1	Cylinder Head Gasket
2	Cylinder Head NOTE: Ensure the number 1 cylinder is at top dead center (TDC). The key on the crankshaft should be on top in the 12 o'clock position.
3	Cylinder Head Bolt (Qty: 10) CAUTION: Refer to Fastener Caution . CAUTION: This vehicle is equipped with torque-to-yield or single use fasteners. Install a NEW torque-to-yield or single use fastener when installing this component. Failure to replace the torque-to-yield or single use fastener could cause damage to the vehicle or component. Procedure Tighten the NEW bolts in sequence to 30 N.m (22 lb ft). Tighten the bolts in sequence an additional 190 degrees using the EN-45059 meter. Special Tools EN-45059 Angle Meter For equivalent regional tools, refer to Special Tools .