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Chevrolet TSB #PIP4898A
2012 Chevrolet Silverado 1500 Hybrid
TSB Document:
Affected Component: ENGINE (PWS)
- Summary
- This Preliminary Information communication provides information to the technician about vehicles that may have an engine buzz, moan, rattle, whine, or vibration type noise that can typically be heard at idle or low revolutions per minute. The noise does not indicate a problem and will not result in damage to the pump or the engine. If the customer is dissatisfied with the oil pump whine noise replacement of the oil pump will resolve the concern.
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