Bolt Size for Curt Trailer Hitch, # 13256 and Availability of Replacement Hardware

Question:

I bought the Class III hitch for a 2006 Toyota Siennna and have not been able to drive 2 of the 6 bolts all the way in this van has been thru 4 or 5 Midwestern winters. I am planning to re-tap the two weld-nuts that are causing the problems. Id like to know what size the bolts are so I can get the correct tap.

Expert Reply:

The bolts for the CURT Trailer Hitch, # 13105, for the 2006 Toyota Sienna, are M12 - 1.25 x 40 hex bolts. I have included a link to the installation details below for the hitch.

Re-tapping a weldnut can be difficult and you could end up breaking it loose from the frame. Instead, I would first try to clean them out using a penetrating spray like WD-40 or similar product, and then give them a thorough cleaning with a wire brush like the Battery Post and Terminal Cleaner - Wire Brush, # DW00254.

If you ever happen to need replacement hardware, you can order it using Replacement Hardware Kit for Trailer Hitches, # RHK. Simply enter the hitch number in the box below Shipping Special. Select the manufacturer from the pull down menu, and then click the Add to Cart button.

expert reply by:
Michael H

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