Timing Chain and Sprockets Removal

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required

J 8433-1 Puller Bar
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: Camshaft Sprocket & Bolts
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 8433-1, J 41816-2 & J 41558
Courtesy of GENERAL MOTORS CORP.
Remove the crankshaft sprocket.

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

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