Yukon XL 2500 4WD V8-8.1L VIN G (2004)
Harmonic Balancer - Crankshaft Pulley: Service and Repair
Crankshaft Balancer Replacement
Tools Required
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J38416-B Harmonic Balancer Remover
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J42845 Crankshaft Balancer Installer
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J42846 Crankshaft Balancer Protector Button
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J42847 Flywheel Holding Tool
Removal Procedure
1. Remove the Air Conditioning (A/C) belt.
2. Remove the fan.
3. Remove the starter motor.
Notice: Refer to Fastener Notice in Service Precautions.
Important: Ensure that the teeth of the flywheel holding tool engage the engine flywheel teeth.
4. Install the J42847to the starter bolt holes.
Tighten the J42847 bolts to 50 Nm (37 ft. lbs.).
5. Remove the crankshaft balancer bolt and washer.
6. Install the J42846 onto the end of the crankshaft.
