Hub is Hot With Dexter Nev-R-Adjust Brakes

Question

Question:

I purchased 4 Dexter brake assemblies from you several years ago. Just recently I have one brake that is self adjusting too tight and heating the hub up very hot. I have adjusted it back to where it should be and the next time out, the brake adjusts itself too tight again. I see absolutely nothing wrong with the pads, shoes, brackets, or springs. What is going on here. Thanks for your help on this.

asked by: David S

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Expert Reply:

I don't know what's wrong but I can make some guesses with the issues with your hub and the Dexter Nev-R-Adjust Electric Trailer Brake Kit # 23-468-469 you purchased from us. Most likely it isn't the brakes at all, the issue is your suspension and hub.

Generally with a hub that is overheating, a spindle nut is too tight, which causes the bearings to stress and overheat. So check that and back off on the spindle nut a bit to see if this helps; also check to ensure your hub bearings and are still good and greased properly. There is also the possibility that the spindle is bent just slightly, or your suspension is out of alignment. This can create friction in the hub and cause it to overheat.

expert reply by: Kyle S

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Answer 1

Can you turn the wheel by hand if it is jacked up and off the ground? It sounds like your brake assemblies are dragging too much which is creating heat from friction. To see how to adjust the brake assemblies so that you get the correct amount of…

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Answer 2

You might have one brake that's adjusted tighter than the other. That's really the only thing I can think of that would cause one hub to get hotter than the others when brakes are applied. You want your brake controller to be set so that it…

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Answer 3

There are a few things I recommend checking on your new trailer brake assemblies that may be leading to the poor voltage and performance you are experiencing. First, check to make sure the ground wires are securely attached to bare metal portions of…

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Answer 4

I reached out to my contact at Dexter Axle and she said that the Dexter Electric Trailer Brake Kit #23-47-48 have a coil resistance of 3.9 ohms per magnet. When it comes to wire size we recommend at least 10 gauge wire like part #10-1-1 (sold by the…

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Answer 5

If your electric trailer brakes, like part #AKEBRK-35, are activating when you use the manual override then there are 2 things to check right off the bat. The first is the gain of your brake controller. If your brake controller is set to a very low…

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Answer 6

The issue seems to be different adjustment than the other side. Most likely the time delayed onset of the braking pressure is locking up the one side of the trailer before the other due to it being a tighter adjustment. What you can do is tow the…

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Answer 7

Typically the ground wire would be connected to the frame of the trailer using ground screws like #FA1131822 and a ring terminal like part #DW05740-1. Using heat shrink is always recommended to help prevent corrosion. Connecting the ground to the…

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Answer 8

I would recommend completely ruling out the bearings by closely examining them and the spindle for discoloration caused by overheating. If you have determined that it is the brakes that are hot, and not the hub itself, I would recommend readjusting…

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Answer 9

It could be a bad bearing, bad grease seal, the brakes being tensioned too tight or worn brake shoes. Best option is to pull the hub off and inspect everything to see what's going on and fix as needed. I attached a video to this page that covers…

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Answer 10

A bad ground can cause just one brake assembly to get hotter only as a result of the assembly with the bad ground not engaging, which in turn causes the assembly on the other side to do all the work (thus get hotter). It appears though that both…

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Answer 11

Usually the main reason your Electric Trailer Brake Assembly #AKEBRK-35L-SA would get hot is due to the brakes being adjusted improperly. You can use the Brake Adjustment Spoon for Drum Brakes #W80630 to adjust the left side to see if it corrects the…

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Answer 12

To wire your electric brakes you will want to run 10 gauge wire #10-1-1 to one of the brakes and run it to the other brake, using butt connectors like #05732-2 to connect them. The grounds will not be spliced, each brake assembly should have its own…

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Hub is Hot With Dexter Nev-R-Adjust Brakes

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