Secondary Camshaft Drive Chain Removal - Left

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora and 2001 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

Remove the left secondary camshaft drive chain tensioner bolts.
Remove the left secondary camshaft drive chain tensioner allowing it to expand as you remove it.

Fig 1: Removing Left Secondary Camshaft Drive Chain Tensioner
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Remove the upper left secondary camshaft drive chain guide bolt.

Fig 2: Removing Upper Left Secondary Camshaft Drive Chain Guide Bolt
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Remove the camshaft sprocket bolts from the camshafts. Use an open wrench on the hex cast near the front of each camshaft to prevent engine rotation when loosening the camshaft sprocket bolts.
Lift the secondary camshaft drive chain from the camshaft sprocket teeth and slide the camshaft sprockets off of the camshafts.

Fig 3: Removing Camshaft Sprocket Bolts
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Remove the left secondary drive chain.

Fig 4: Removing Left Secondary Drive Chain
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Remove the left secondary camshaft drive chain shoe bolt.

Fig 5: Removing Left Secondary Camshaft Drive Chain Shoe Bolt
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Remove the left secondary camshaft drive chain shoe.

Fig 6: Removing Left Secondary Camshaft Drive Chain Shoe
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Remove the lower left secondary camshaft drive chain guide bolt.

Fig 7: Removing Lower Left Secondary Camshaft Drive Chain Guide Bolt
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Remove the left secondary camshaft drive chain guide.

Fig 8: Removing Left Secondary Camshaft Drive Chain Guide
Courtesy of GENERAL MOTORS CORP.