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Why Does One Brake Assembly Drag more than the Other After Brake Install


Ive completed an install of trailer e-brakes and hubs. Both hubs seem to rotate freely, but the right hub will rub the brake lining and slow to a stop while on the left side I can hear the brake linings against the hub, but it takes longer to stop. Will this be a big issue and should there be cause for concern? Is there a way to fix the issue? Thank you.


Helpful Expert Reply:

If you installed self-adjusting brake assemblies then you would be fine as the brake tension will adjust itself. If you installed manual adjusting brake assemblies you would need properly adjust the brakes to get the correct amount of drag on all hubs.

To see how to set the proper drag on trailer brakes check out the video I attached. Fast forward to the 4:30 mark.

Remove the adjusting hole cover from the adjusting slot on the bottom of the brake backing plate. With a screwdriver or standard adjusting tool, rotate the starwheel of the adjuster assembly to expand the brake shoes. Adjust the brake shoes out until the pressure of the linings against the drum makes the wheel very difficult to turn. Then rotate the starwheel in the opposite direction 10 clicks until the wheel turns freely with a slight lining drag. Replace the adjusting hole cover and lower the wheel to the ground. Repeat the above procedure on all brakes.

helpful expert reply by:
Jameson C

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