Camshaft Assembly Assemble

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

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedures Temporarily install the cylinder head to the engine block, with the engine block securely attached to a mounting device. Temporarily install the engine front cover to the cylinder head, using the upper bolts to hold the cover in position. Install one of the camshafts in the exhaust camshaft position on the cylinder head. Install the camshaft bearing front upper cap and bolts. Install the camshaft bearing caps and bolts. Install the appropriate actuator for the camshaft currently installed on the cylinder head. Install EN-50793 locking tool onto the camshaft actuator and engine front cover. The camshaft actuator bolt can now be installed and tightened to final specification. Repeat preliminary procedure for the remaining camshaft assembly.
1	Camshaft, Intake and Exhaust NOTE: Ensure that the oil seal near the front of the camshaft is rotated so that the split line on the oil seal is aligned with the notch, and both the notch and split line are at 12 O'clock when installed on the cylinder head.
2	Camshaft Position Actuator, Intake and Exhaust NOTE: Upon camshaft assembly, ensure the camshaft actuator pin aligns with the camshaft notch. The actuator, camshaft, and bolt can be assembled by hand and then placed on the cylinder head for final torque. NOTE: Lubricate the actuator prior to installation.
3	Camshaft Position Actuator Bolt 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. Tighten 30 N.m (22 lb ft) plus 100 Degrees. Special Tools EN-50793 Camshaft Actuator Locking Tool For equivalent regional tools, refer to Special Tools .