Timing Chain and Tensioner Removal

WARNING: This page is about a different car, the 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Upper Timing Chain Guide

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Remove the upper timing chain guide bolts.
Remove the upper timing chain guide.

Fig 2: View Of Timing Chain Tensioner

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IMPORTANT: The timing chain tensioner must be removed to unload chain tension before the timing chain is removed. If it is not, the timing chain will become cocked and it will be difficult to remove.

Remove the timing chain tensioner.

Fig 3: Camshaft Actuator

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Locate hex on the exhaust camshaft and hold with a wrench.
Remove the exhaust cam bolt and the exhaust cam actuator.
Discard the bolt.

Fig 4: Adjustable Timing Chain Guide

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Remove the adjustable timing chain guide bolt.
Remove the adjustable timing chain guide.

Fig 5: View Of Timing Chain Guide Bolt Access Hole & Plug

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Remove the plug to gain access to the fixed timing chain guide bolt.

Fig 6: View Of Fixed Timing Chain Guide

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Remove the fixed timing chain guide bolts.
Remove the fixed timing chain guide.

Fig 7: Identifying Intake Cam Sprocket & The Timing Chain

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Locate hex on the intake camshaft and hold with a wrench.
Remove the intake cam sprocket bolt, the intake cam sprocket and the timing chain through the top of the cylinder head. Discard the bolt.

Fig 8: View Of Crankshaft Sprocket

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Remove the friction washers (1).
Remove the crankshaft sprocket (2).

Fig 9: View Of Oil Nozzle & Bolt

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Remove the timing chain oil nozzle bolt.
Remove the timing chain oil nozzle.