Sierra Denali RWD V8-6.2L (2009)
Timing Chain: Service and Repair
Camshaft Timing Chain and Sprocket Replacement
Camshaft Timing Chain and Sprocket Replacement
Special Tools
*
EN 46330 Timing Chain Tensioner Retaining Pin
*
J 8433 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
*
J 42386-A Flywheel Holding Tool
*
J 45059 Angle Meter
Removal Procedure
1. Remove the oil pump. Refer to Oil Pump, Screen, and Crankshaft Oil Deflector Replacement (LH6, LMG, LY2 and LY5) (See: Engine
Lubrication/Oil Pump/Service and Repair)Oil Pump, Screen, and Crankshaft Oil Deflector Replacement (Except LH6, LMG, LY2 and LY5) (
See: Engine Lubrication/Oil Pump/Service and Repair) .
2. Remove the starter motor. Refer to Starter Replacement (4.8L, 5.3L, 6.0L, and 6.2L) (See: Starting and Charging/Starting System/Starter
Motor/Service and Repair)Starter Replacement (4.3L) (See: Starting and Charging/Starting System/Starter Motor/Service and Repair)Starter
Replacement (6.6L) (See: Starting and Charging/Starting System/Starter Motor/Service and Repair) .
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution) .
Note
Ensure that the teeth of the J 42386-A mesh with the teeth of the engine flywheel.
3. Install the J 42386-A (1) and bolts. Use one M10-1.5 x 120 mm and one M10-1.5 x 45 mm bolt for proper tool operation.
Tighten the J 42386-A bolts to 50 Nm (37 lb ft).
