Installation Procedure

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

Fig 1: Right Secondary Camshaft Drive Timing Chain Shoe

Courtesy of GENERAL MOTORS CORP.

Position the right secondary camshaft drive timing chain shoe in through the right front cylinder head as shown.

CAUTION: Refer to Fastener Caution .

Install the right secondary camshaft drive chain shoe bolt and tighten to 25 N.m (18 lb ft).

Fig 2: Preventing Camshaft Rotation

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Install the right exhaust actuator to the secondary chain, ensuring that the actuator timing mark is aligned with the chain link that was marked during disassembly.
Loosely install the oil control valve to secure the exhaust actuator to the camshaft.

Use an open-end wrench on the hex cast into the camshaft in order to prevent the camshaft from rotating when tightening the oil control valve to 120 N.m (89 lb ft).

Fig 3: Right Secondary Timing Chain Tensioner & Bolts

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Install the right secondary camshaft drive chain tensioner. Refer to Secondary Camshaft Intermediate Drive Chain Tensioner Replacement - Right Side .

Fig 4: Aligning Camshaft Sprocket & Timing Chain Paint Marks

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Ensure that the previously created paint marks (1, 3) still line up with the sprocket timing marks (2, 4).

Fig 5: Right Camshaft Position Actuator Housing

Courtesy of GENERAL MOTORS CORP.

Install the right camshaft actuator housing. Refer to Camshaft Position Actuator Housing Replacement - Right Side .