Tools Required

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

J 8433-1 Two Jaw Puller
J 41558 Crankshaft Sprocket Remover
J 41816-2 Crankshaft End Protector

NOTE: Do not turn the crankshaft assembly after the timing chain has been removed in order to prevent damage to the piston assemblies or the valves.

Remove the camshaft sprocket bolts.
Remove the camshaft sprocket and timing chain.

Fig 1: Removing Camshaft Sprocket, Bolts & Timing Chain
Courtesy of GENERAL MOTORS CORP.
Use the J 8433-1 , the J 41816-2 , and the J 41558 in order to remove the crankshaft sprocket.

Fig 2: Removing Crankshaft Sprocket Using J 84311-1, J 41558 & J 41816-2
Courtesy of GENERAL MOTORS CORP.
Remove the crankshaft sprocket.

Fig 3: Removing Crankshaft Sprocket
Courtesy of GENERAL MOTORS CORP.
Remove the crankshaft sprocket key, if required.

Fig 4: Removing Crankshaft Sprocket Key
Courtesy of GENERAL MOTORS CORP.