Timing Chain and Sprockets Removal

Tools Required

• J 8433-1 Puller Bar
• J 41558  Crankshaft Sprocket Remover. See Special Tools and Equipment .
• 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.
1. Remove the camshaft sprocket bolts.
2. Remove the camshaft sprocket and timing chain.
   Fig 1: View Of Camshaft Sprocket, Timing Chain & Retaining Bolts

   Courtesy of GENERAL MOTORS CORP.
Fig 2: View Of Chain Dampener & Retaining Bolts
Courtesy of GENERAL MOTORS CORP.
3. Remove the chain dampener (232) and bolts (231).
Fig 3: Removing The Crankshaft Sprocket Using J 8433-1, J 41816-2 & J 41558
Courtesy of GENERAL MOTORS CORP.
4. Use the J 8433-1 , the J 41816-2 , and the J 41558  in order to remove the crankshaft sprocket. See Special Tools and Equipment .
Fig 4: View Of Crankshaft Sprocket
Courtesy of GENERAL MOTORS CORP.
5. Remove the crankshaft sprocket.
Fig 5: View Of Crankshaft Key & Keyway
Courtesy of GENERAL MOTORS CORP.
6. Remove the crankshaft sprocket key, if required.