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TOYOTA 2011 Sienna User Manual

Page 383

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2-5. Driving information

Selecting trailer ball

Use the correct trailer ball for your application.

Trailer ball load rating

Matches or exceeds the gross
trailer weight rating of the trailer.

Ball diameter

Matches the size of the trailer
coupler. Most couplers are
stamped with the required trailer
ball size.

Shank length

Protrudes beyond the bottom of
the lock washer and nut at least 2
threads.

Shank diameter

Matches the ball mount hole
diameter size.

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