Installation Procedure

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

Fig 1: Identifying Timing Chain Marks & Their Respective Locations On Gears, Sprockets & Actuators

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: Ensure that the camshaft timing chain and the camshaft position actuators are marked for proper assembly.

Align the exhaust camshaft actuator alignment mark (18) to the timing chain alignment mark (17) made during disassembly.
Ensure that the intake camshaft actuator alignment mark (15) and the timing chain alignment mark (16) are also aligned.
Position the exhaust camshaft actuator to the camshaft and install the actuator bolt hand tight.
Remove the EN-48313 . See Special Tools .

Fig 2: View Of Right Exhaust Camshaft Position Actuator Bolt

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice .

Tighten the right exhaust camshaft position actuator bolt.
Tighten: Tighten the bolt to 58 N.m (43 lb ft).
Install the right intake and exhaust camshaft position actuator solenoids. Refer to Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 1 (Right Side) Intake and Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 1 (Right Side) Exhaust .
Install the right intake and exhaust camshaft position sensors. Refer to Camshaft Position Sensor Replacement - Bank 1 (Right Side) Intake and Camshaft Position Sensor Replacement - Bank 1 (Right Side) Exhaust .
Install the right camshaft cover. Refer to Camshaft Cover Replacement - Right Side .
Install the lower intake manifold with the upper manifold. Refer to Lower Intake Manifold Replacement .