TSB Document:

Affected Component: ENGINE AND ENGINE COOLING

Summary
Some vehicles may exhibit oil leakage from the drive belt auto tensioner and rattling noises from the engine compartment. This may be caused by insufficient sealing at the drive belt auto tensioner damper when the auto tensioner fully operates under both high ambient temperature and high load conditions. To eliminate this concern, the shape of the drive belt auto tensioner damper has been changed.

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Date Published
JUN 05, 2023
NHTSA TSB #
10238663
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