Troubleshooting One of the Trailer Wheels Locks Up When Applying the Brakes

Question

Question:

WE HAVE ONE TIRE LOCKING UP WHEN APPLING THE BRAKES. THE REST WORK FINE.

asked by: MICHELLE H

0

Expert Reply:

Since, all the other wheels on the trailer seem to be in proper working order, we can assume that the brake controller is working correctly.

Sounds like you might have a brake assembly that is out of adjustment. Using a Brake Adjustment Spoon # W80630, or a flat head screwdriver, you can adjust the star wheel that can be accessed at the back of the brake backing plate. At the 3:00 minute make of the attached video, our technician will explain how to adjust the trailer brakes.

If the problem is not fixed by adjustment, then you may have an issue of a damage brake component or worn magnet that may need to be replaced.

I also attached an article that explains how to test the brake magnet for defect for you to review.

expert reply by: Jared P

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Answer 1

First thing I'd check is to see if the spindle nut is on too tight. If the brakes are tensioned properly and there's still more drag on one when than the other most likely somebody tightened the spindle nut too much. The spindle nut…

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Answer 2

One wheel locking up on your trailers brakes could be for a few reason. Most likely it's due to a brake assembly that is out of adjustment. You want to adjust the assemblies so there is only a light drag on them when they are turned by…

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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

A trailer that is over 80 inches wide is required by DOT regulations to have rear clearance lights. An over 80 inch taillight kit, like part #TL16RK, will have the side clearance light built into it. An under 80 inch taillight does not have the…

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Answer 5

Yes, because it is a 3-wire light, you can wire the Red Identification Light Bar with White LED Utility Light #OPT88FR to function as rear marker and reverse lights.

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Answer 6

For the Tecnic 45 degree accent light part #TN42FR the correct mounting cover is the part #TN34FR.

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Answer 7

Hey mark I can definitely try to point you in the direction of the correct hubs and brakes for your trailer. I was not able to find any useful references for the numbers you provided, but there are other ways to determine the correct hub. Do you…

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Answer 8

We do have what you need to replace the UFP HD-1377-10 hub and drum as well as add hydraulic brakes for your boat trailer. Here are the exact parts you will need: - Dexter Trailer Hub and Drum Assembly #84546UC3 - Hydraulic Trailer Brake Kit -…

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Answer 9

To determine the size of the brake assemblies you need you have to measure the depth and width of the hub drum on the axle like what you see in the picture I attached. The most common size is 2-1/4 inch wide like the #T4071600-500 that you…

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Answer 10

A drop axle certainly can make it tough to reach the star wheel adjuster on a drum brake. The adjuster spoon tool we offer #W80630 has a 90-degree bend that will often let you get access to the adjuster even on a drop axle. Essentially you will need…

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Answer 11

I have included a link to a video on adjusting self-adjusting brakes. Basically there is a device on the adjustment wheel on these brakes that prevents the shoes from adjusting back inward. You have to sort of move that out of the way to be able to…

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Answer 12

Yes, the Dexter Electric Trailer Brake Assembly #23-181 must be oriented so the brake shoe pin is at the top and the adjusters are at the bottom. This is also only for mounting on the right side of your axle. We have the Assembly #23-180 for the…

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