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You will have completed the bulk of your brake repair with these two tasks. If you want to check to see if brake repair is really necessary, you can view the pads through the view port in the brake housing before starting. Once you determine that brake repair is necessary, then remove the wheel and the lower bolt on the brake housing and swing the unit up and away from the wheel. You are now ready to begin actual brake repair. You should be able to see the old brake pads clearly once the housing is out of the way.