TSB Document:

Affected Component: ENGINE AND ENGINE COOLING

Summary
BUZZING NOISE FROM VALVETRONIC MOTOR BEFORE OR AFTER ENGINE OPERATION: Buzzing noise may be heard from the Valvetronic motor when the vehicle is unlocked, before the engine is started, or after the engine is turned off.

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Date Published
JUL 01, 2018
NHTSA TSB #
10145283
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