Yukon Denali 4WD V8-6.0L Hybrid (2011)
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 drive belt. Refer to Drive Belt Replacement See: Drive Belts, Mounts, Brackets and Accessories/Drive Belt/Service and Repair.
2. Remove the cooling fan and shroud. Refer to Cooling Fan and Shroud Replacement See: Cooling System/Radiator Cooling Fan/Service and
Repair/Cooling Fan and Shroud Replacement.
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).