Express 1500 AWD V8-5.3L (2008)
Timing Chain: Service and Repair
Timing Chain and Sprocket Replacement
Special Tools
*
J 8433 Pulley Puller
*
J 41816-2 Crankshaft End Protector
*
J 41558 Crankshaft Sprocket Remover
*
J 41665 Crankshaft Balancer and Sprocket Installer
*
J 41478 Crankshaft Front Oil Seal Installer
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) .
2. Rotate the crankshaft until the timing marks on the crankshaft and the camshaft sprockets are aligned.
Notice: 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 the camshaft sprocket bolts.
4. Remove the camshaft sprocket and timing chain.
5. Use the J 8433 (4) , the J 41816-2 (2), J 41478 (3) and the J 41558 (1) in order to remove the crankshaft sprocket.
