Savana 3500 V8-4.8L (2009)
Timing Chain: Service and Repair
Camshaft Timing Chain and Sprocket Replacement
Special Tools
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J 8433-1 Puller Bar
*
J 41478 Crankshaft Front Oil Seal Installer
*
J 41558 Crankshaft Sprocket Remover
*
J 41665 Crankshaft Balancer and Sprocket Installer
*
J 41816-2 Crankshaft End Protector
Removal Procedure
1. Remove the oil pump. Refer to Oil Pump, Screen, and Crankshaft Oil Deflector Replacement (See: Engine Lubrication/Oil Pump/Service and
Repair).
Caution: 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.
2. Rotate the crankshaft until the timing marks on the crankshaft and the camshaft sprockets are aligned.
Caution: 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.
3. Remove and discard the camshaft sprocket bolt (206).
4. Remove the camshaft sprocket (205) and timing chain (208).
