How Thick Are Electric Brake Shoe Pads and When Should They be Replaced

Question

Question:

What is the new thickness of the actual lining and at what measurement is it considered time to replace? Dont want to replace unnecessarily for short trips but also dont to go farther ignorantly thinking I have 50 lining left. 2010 Airstream 19foot Victorinox

asked by: Paul I

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Expert Reply:

On Dexter 12" Nev-R-Adjust Electric Brake Assembly # 23-458 the shoe pad thickness is 3/16 of an inch. Dexter says that you should replace the shoes if the material gets down to 1/16 of an inch thick or less.

expert reply by: Michael H

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Answer 1

Hey Hayden, welcome back! If you respond to the email with the link for this page it will come directly to me. You can attach your pictures in the email.

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Answer 2

Hey Art, we measured the pad thickness of the Dexter brake assemblies part #23-465 and we found they are 3/16 of an inch.

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Answer 3

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 4

The pad thickness of the Dexter 7k brake shoes part #K71-676 is 3/16 of an inch and they should be replaced when they get down to 1/16 of a inch.

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Answer 5

Self-adjusting brakes #AKEBRK-7-SA do not require that you travel in reverse for them to adjust. They can adjust themselves going forward or backward. Keep in mind that even self-adjusting brakes require 1 initial adjustment. You could just install…

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Answer 6

There can technically be two different wheel bearing kits for 5,200 pound axles. They will use different outer bearings and grease seals, so I highly suggest pulling one of the hubs off to verify which you need. The first kit, #BK3-300, uses a grease…

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Answer 7

If you already have brake drums you will not have to replace them unless they are damaged or became overheated and have discoloration on the inside armature surface where the magnet rides, grooves in the armature surface, or severe wear where the…

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Answer 8

To determine which brake assembly you need, measure the width of your brake linings, as shown in the photo I edited for you. If your existing brake shoes measure 4 inches wide, the #23-438 you mentioned would be an example of a good replacement for…

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Answer 9

Hey Dennis, thanks for reaching out! The 4-Leaf Double-Eye Spring #DX23CR has a 3" drop from center eye to middle of the leaf spring (see attached photo). For a single axle setup I recommend the Hanger Kit #APS4, and for a tandem axle setup I…

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Answer 10

Hey Phil! Thanks for getting back to me with those measurements! We have a leaf spring that is an exact replacement but I am guessing it's the pricey one you referenced. It is the 4-Leaf Double-Eye Spring for 4,400-lb Trailer Axles - 25-1/4"…

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Answer 11

Hey Kevin thanks for your question. There is not much downside to going with the 5,000 lb springs instead of the 3,500 lb. A higher rated spring may make the ride a bit more "chunky" at times, since the spring would not flex as easily.…

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Answer 12

Hey Clint, the Dexter Heavy-Duty Suspension Kit for Tandem-Axle Trailers #K71-449-00 that you referenced would work really well for you. The equalizers are the same dimensions and the shackle straps are close enough to what you have that they would…

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How Thick Are Electric Brake Shoe Pads and When Should They be Replaced

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