Yukon/Denali XL 1500 4WD V8-6.0L VIN U (2004)
Harmonic Balancer - Crankshaft Pulley: Service and Repair
Crankshaft Balancer Replacement
Tools Required
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J41816 Crankshaft Balancer Remover
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J41816-2 Crankshaft End Protector
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J42386-A Flywheel Holding Tool
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J41665 Crankshaft Balancer and Sprocket Installer
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J45059 Angle Meter
Removal Procedure
1. Remove the Air Conditioning (A/C) drive belt, if equipped. Refer to Drive Belt Replacement - Air Conditioning.
2. Remove the accessory drive belt, if not equipped with ARC. Refer to Drive Belt Tensioner Replacement - Air Conditioning.
3. Remove the fan shroud - lower. Refer to Fan Shroud Replacement - Lower in Cooling System.
4. Remove the starter motor. Refer to Starter Motor Replacement (4.8L, 5.3L, and 6.0L Engines) or Starter Motor Replacement (8.1L Engine) in
Starting and Charging.
Important:
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Make sure that the teeth of the J42386-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.
Notice: Refer to Fastener Notice in Service Precautions.
5. Install the J42386-A and bolts.
Use one M10-1.5 x 120 mm and one M10-1.5 x 45 .ron1 bolt for proper tool operation.
Tighten the J42386-A bolts to 50 Nm (37 ft. lbs.).
6. Remove the crankshaft balancer bolt.
Do not discard the crankshaft balancer bolt. The balancer bolt will be used during the balancer installation procedure.