Sierra Denali RWD V8-6.2L (2009)
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Harmonic Balancer - Crankshaft Pulley: Service and Repair
Crankshaft Balancer Replacement
Special Tools
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J 41478 Crankshaft Front Oil Seal Installer
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J 41665 Crankshaft Balancer and Sprocket Installer
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J 41816-A Crankshaft Balancer Remover
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J 41816-2 Crankshaft End Protector
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J 42386-A Flywheel Holding Tool
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J 45059 Angle Meter
Removal Procedure
1. Remove the air conditioning (A/C) drive belt. Refer to Air Conditioning Compressor Belt Replacement (V8) (See: Drive Belts, Mounts, Brackets
and Accessories/Drive Belt/Service and Repair/Air Conditioning Compressor Belt Replacement) .
2. Remove the cooling fan and shroud. Refer to Cooling Fan and Shroud Replacement (Non-HP2) (See: Cooling System/Radiator Cooling
Fan/Service and Repair) .
3. 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.
4. 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).