Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.

Remove the engine front cover. Refer to ENGINE FRONT COVER REPLACEMENT .
Align the crankshaft timing mark (2) to the timing mark on the bottom of the timing chain dampener (1).
Align the timing mark on the camshaft gear (4) with the timing mark on top of the timing chain dampener (3).

Fig 1: Aligning Crankshaft Timing Mark To Timing Mark On Bottom Of Timing Chain Dampener
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Remove the camshaft sprocket bolt.
Remove the camshaft sprocket and timing chain.

Fig 2: Removing Camshaft Sprocket, Timing Chain And Bolt
Courtesy of GENERAL MOTORS CORP.
Remove the crankshaft sprocket. Use the J 5825-A.

Fig 3: Removing Crankshaft Sprocket
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Remove the timing chain dampener bolts.
Remove the timing chain dampener.

Fig 4: Removing Timing Chain Dampener And Bolt
Courtesy of GENERAL MOTORS CORP.