1205-040
UnclassifiedLubrication
What This Code Means
Excessive gear train noise at variable points in the speed range; Deterioration and cracking of the rubber damper; Slippage of the outer ring from the original position on rubber damper; Engine failure because of a broken crankshaft; Front main bearing is badly worn (revealed by oil analysis); Large amount of gear train wear not caused by lack of oil; Evidence of fluid leaks (silicone fluid: transparent, viscous, smooth, and difficult to remove)
Possible Causes
- •Damage to the crankshaft vibration damper
- •Deteriorating crankshaft vibration damper
- •Failure of the crankshaft vibration damper
Suggested Actions
- 1Consult your Caterpillar dealer
- 2Determine the type of leaking fluid
- 3Inspect the crankshaft vibration damper
- 4Inspect the damper
- 5Refer to the Service Manual
- 6Repair the damper
- 7Replace the damper
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