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Turbocharger Noise or Vibration
NOTE: Variable geometry turbocharger recycles after starting
engine, causing a momentary revving sound in the engine. This is normal. Do not confuse the whine heard during run down with noise which
indicates a bearing failure.
| Bearings not lubricated (insufficient oil pressure).
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Determine cause of lack
of lubrication; repair as required. See your John Deere dealer.
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