Checking Crankshaft Vibration Damper

NOTE: Crankshaft vibration damper is not repairable and should be replaced every 4500 hours or 60 months, whichever occurs first.

• Grasp crankshaft vibration damper with both hands and attempt to turn in both directions. If rotation is felt, replace crankshaft vibration damper.
• Visually inspect crankshaft vibration damper for cracks or damage. If present, replace crankshaft vibration damper.