Why Would Trailer Hitch Install Bolts be Hard to Thread Into Vehicle Frame

Question

Question:

I finally got around to installing this on my 2005 Toyota Matrix XR - or trying to. The bolts seem too big for the frame weld nuts as in, noticeably too big, doesnt seem like a matter of rust or dirt. Any idea on what might work? I was sent fine-pitch M12 bolts, just as the packing list says. My next task is sitting in the hardware store parking lot trying out M10s etc. but Im wondering if youve seen this issue before.

asked by: Karen

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Expert Reply:

It may not seem like rust or dirt but I can guarantee you there is something in the threads of the weld nut that isn't allowing the bolts to thread in. It doesn't take much to jam up the threads and prevent the bolts from threading in.

I have included a few links on hitch installation tips, cleaning weld nuts, and a video on cleaning weld nuts for you.

expert reply by: Jameson C

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Answer 1

The Curt trailer hitch part #C13105 comes with all of the install hardware needed, but the bolts are size M12-1.25x40 hex. If you need the replacement hardware you would want part #RHK. If you enter the part number on this product page we will ship…

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Answer 2

In all likelihood you will not have to tap the holes on your 2006 Toyota Sienna to get the hitch bolts to fit. Usually the issue is that the weld nuts on the vehicle will get packed with grime and corrosion and all you will have to do is clean them…

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Answer 3

The Curt Trailer Hitch Receiver #C12002 for your 2007 Suzuki Grand Vitara uses weld nuts on the inside of the frame rails to attach the bolts and mount this hitch. If there are currently bolts in that location, you will need to remove them and there…

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Answer 4

Thanks for the photo. To remove the wheel that doesn't have lug nuts and bolts, you will need to remove the cotter pin that holds the wheel in place. Bend the two prongs up to straight and then push that end through the spindle. That wheel and…

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Answer 5

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 6

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 7

Yes, we do. To add a hitch to your 2024 Toyota Grand Highlander, I recommend the Curt Trailer Hitch item #C26VV. This hitch is custom fit and bolts to your Toyota with included hardware. This is a class III hitch with a 2" receiver. It has a…

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Answer 8

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 9

Yep, so long as your 2024 Subaru Crosstrek Wilderness is not a hybrid both the Curt and etrailer hitches will fit: - Curt Trailer Hitch Receiver #C13382 - etrailer Trailer Hitch Receiver #e98912 The only difference besides price is the finish; the…

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Answer 10

Class I and Class II hitches both have a 1-1/4 inch receiver opening. The difference is that a Class I hitch has a lower tongue weight rating, usually 200 pounds and a lower towing rating, usually 2,000 pounds. A Class II hitch usually has a tongue…

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Answer 11

I did some checking and the hub/drum we offer that will work for you is the part #8-430-5UC3. This uses the same bearings as the 8-415 and will be an exact fit aside from the fact this is a non-ABS setup and the 8-415 came in an ABS setup and non-ABS…

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Answer 12

As far as wiring for the 2024 Toyota Grand Highlander, we do have the Curt #C59236 available which is more of a universal hardwire harness. Unfortunately there are not any plug-and-play options that have been confirmed to fit as of yet (October 4,…

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