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TSB Document:

Affected Component: STRUCTURE

Summary
Some 2011 model year Sienna vehicles may exhibit a condition where a leak is noticed at the rear corner drains of the rear sliding roof assembly. This may be due to an insufficient amount of butyl sealer in the drain end caps. A new rear sliding roof housing sub-assembly has been developed to address this condition

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Date Published
DEC 21, 2012
NHTSA TSB #
10133950
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