Installation Procedure

WARNING: This page is about a different car, the 2008 Pontiac G5 and 2008 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Timing Chain & Camshaft Position Actuator

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IMPORTANT: Ensure that the alignment mark made previously on the exhaust camshaft actuator is still aligned properly with the mark on the timing chain.

Install the timing chain onto the intake camshaft actuator.
Align the intake camshaft actuator alignment mark made previously with the timing chain mark and install the actuator onto the camshaft.
Install a NEW intake camshaft actuator bolt (2) until snug.

Fig 2: View Of Timing Chain & Chain Retention Tool

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Remove the timing chain retention tool (1) from the intake side of the timing chain.

Fig 3: Identifying Timing Chain Tensioner

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Install the timing chain tensioner.
Tighten: Tighten the timing chain tensioner to 75 N.m (55 lb ft).

Fig 4: Loosening/Tightening Camshaft Actuator Retainer Bolts

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Install the camshaft actuator retainer (1).
Install the camshaft actuator retainer bolts.
Tighten: Tighten the bolts to 10 N.m (89 lb in).
Tighten the NEW camshaft actuator bolt.
Tighten: Tighten the bolt to 85 N.m (63 lb ft), plus an additional 30 degrees using the J 45059 .

Fig 5: Loosening/Tightening Camshaft Actuator Retainer Bolts

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Remove the camshaft actuator retainer EN-48953 (1).
Release the tensioner by rotating the crankshaft balancer counter clockwise.

Fig 6: View Of Upper Timing Chain Guide Bolts And Guide

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Install the upper timing chain guide and bolts.
Tighten: Tighten the bolts to 10 N.m (89 lb in).
Install the camshaft cover. Refer to Camshaft Cover Replacement .