Removal Procedure

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

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 oil pump. Refer to OIL PUMP, PUMP SCREEN AND DEFLECTOR REPLACEMENT .
Remove the camshaft sprocket bolts.
Remove the camshaft sprocket and timing chain.

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

Fig 2: Removing Crankshaft Sprocket
Courtesy of GENERAL MOTORS CORP.
Remove the crankshaft sprocket.

Fig 3: Identifying 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.
Clean and inspect the timing chain and sprockets. Refer to TIMING CHAIN AND SPROCKETS CLEANING AND INSPECTION .