Removal Procedure

WARNING: This page is about a different car, the 2004 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.

Fig 1: Camshaft Sprocket, Bolt & Timing Chain

Courtesy of GENERAL MOTORS CORP.

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 2: Removing The Crankshaft Sprocket Using J 8433-1, J 41816-2 & J 41558

Courtesy of GENERAL MOTORS CORP.

Use the J 8433 , J 41816-2 and J 41558 in order to remove the crankshaft sprocket.

Fig 3: View Of Crankshaft Sprocket

Courtesy of GENERAL MOTORS CORP.

Remove the crankshaft sprocket.

Fig 4: View Of Crankshaft Key & Keyway

Courtesy of GENERAL MOTORS CORP.

Remove the crankshaft sprocket key (if required).
Clean and inspect the timing chain and sprockets. Refer to Timing Chain and Sprockets Cleaning and Inspection .