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

Question

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.

asked by: A K

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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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Answer 1

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 2

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 3

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 4

According to Blue Ox, it'll take an experienced installer about 4 to 5 hours to complete the installation of their #BX1128 Base Plate Kit on a 2016 Jeep Grand Cherokee. The install isn't what I'd call super-difficult, but the installation…

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Answer 5

Hey Ricardo! Yes, the Curt Trailer Hitch Receiver #C82RJ is the hitch Curt is working on for the new 2027 Telluride. This is a pre-order since Curt hasn't finished the design. It does not include wiring. The wiring harness for the 2027 is also up…

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Answer 6

The main difference between the Curt Trailer Hitch Receiver part #C13416 and the EcoHitch Hidden Trailer Hitch Receiver part #EH97FR is that the EcoHitch has a completely hidden cross tube whereas the Curt cross tube will be visible from the rear of…

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Answer 7

The OEM prep package consists of 4 "pucks" in the bed of the truck that will allow you to drop in puck style hitches for easy installation and removal, that gives you a completely clear bed when not in use. The B&W Companion OEM 5th…

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Answer 8

Hi David! There are quite a few hitches offered for your 2026 Honda Odyssey, so I definitely understand wanting to know the differences. There are basically three styles available for you and I have them broken out below: Exposed Crosstube: etrailer…

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Answer 9

Yes, it will work. You'll just need to cut the Lance 6-pin connector out and rewire it into the etrailer Trailer Wiring 7-Way Upgrade Kit w/ Junction Box and RV Style Connector item #e99011. Here are the individual functions of that Lance 6-pin:…

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Answer 10

You will have to go with a sliding hitch to allow the trailer to make tight turns. For a trailer 8 feet wide the only bed length that's going to allow 90 degree turns without a slider is a stationary hitch. That being said you have two options.…

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Answer 11

Since wire color codes are NOT universal, we always recommend wiring by function, rather than wire color. If you look at the Trailer Wiring FAQ article I have linked you to, you can see some diagrams showing the proper way to wire a vehicle and…

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Answer 12

That's a very good question, we tend to be extra cautious and say to use 10 gauge wire because that would be more than enough. When you get into longer trailers that will end up using a lot of wire the heavier gauge wire becomes more necessary.…

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

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