Engine : General Subjects - 1630/1128
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| Elevated metal levels present in a recent sample of used diesel engine crankcase lubricating oil is indicative of a condition. What would high iron levels indicate? |
| A) Camshaft bearing wear. |
| B) Piston ring or cylinder liner wear. |
| C) Rocker arm or piston pin bushing wear. |
| D) Main bearing or crank pin bearing wear. |
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