Express 3500 V8-6.0L (2010)
Harmonic Balancer - Crankshaft Pulley: Service and Repair
Crankshaft Balancer Replacement
Special Tools
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J 45059 Angle Meter
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J 41816 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 41665 Crankshaft Balancer and Sprocket Installer
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J 41478 Crankshaft Front Oil Seal Installer
Removal Procedure
1. Remove the air conditioning (A/C) drive belt, if equipped. Refer to Air Conditioning Compressor Belt Replacement (See: Drive Belts, Mounts,
Brackets and Accessories/Drive Belt/Service and Repair/Air Conditioning Compressor Belt Replacement).
2. Remove the accessory drive belt, if not equipped with A/C. Refer to Drive Belt Replacement - Accessory (See: Drive Belts, Mounts, Brackets
and Accessories/Drive Belt/Service and Repair/Drive Belt Replacement - Accessory).
3. Remove the fan shroud - lower. Refer to Engine Coolant Fan Lower Shroud Replacement (4.3L, 4.8L, 5.3L, 6.0L, 6.2L, 7.0L) (See: Cooling
System/Fan Shroud/Service and Repair/Engine Coolant Fan Lower Shroud Replacement) Engine Coolant Fan Lower Shroud Replacement
(Diesel) (See: Cooling System/Fan Shroud/Service and Repair/Engine Coolant Fan Lower Shroud Replacement).
4. Remove the starter motor. Refer to Starter Replacement (V8) (See: Starting and Charging/Starting System/Starter Motor/Service and Repair
)Starter Replacement (V6) (See: Starting and Charging/Starting System/Starter Motor/Service and Repair)Starter Replacement (Diesel) (See:
Starting and Charging/Starting System/Starter Motor/Service and Repair).
Note:
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Make sure that the teeth of the J 42386-A mesh with the teeth of the engine flywheel.
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The crankshaft balancer is balanced as an individual component. It is not necessary to mark the balancer prior to removal.
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).
5. Install the J 42386-A 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).