This is a Technical Journal: A whining or rattling sound may appear when revving up the engine

Bulletin number

TJ32958 1 1-2017

Component

Electronic stability control: automatic (ASC)

Summary

This is a Technical Journal: A whining or rattling sound may appear when revving up the engine. ( see attached sample files ). The sound may come from the balance shaft which is fitted in the oil sump area where the noise is most concentrated. A new design of the balance shaft is planned to be introduced 2018-Q2. Replace the balance shaft according the instructions in VIDA. Note: It's extremely important to adjust the new balance shaft with the correct tools according the instructions otherwise the sound may occur again in a short mileage.

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