TSB Document:

Affected Component: ENGINE (PWS)

Summary
Immediately following a cold soak startup, some 2009 ? 2013 model year vehicles equipped with 1AR-FE or 2AR-FE engines may exhibit a brief knock/rattle noise from the engine compartment for approximately one second. Follow the repair procedure below to address this condition.

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Date Published
MAR 15, 2013
NHTSA TSB #
10133786
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