Recommended Brake Line and Hose Routing Method for Trailers

Updated 04/07/2022 | Published 04/06/2022

Question:

Id like to know if theres an industry standard for the lengths of hardline and flex lines for the routing configurations shown in the photo, specifically the flex line lengths from the caliper to the junction. As I understand it these are common ways to plumb a trailer. Is there a best place to transition from hardline to a rubber or braided line? Also, are any of these routing methods considered to be better than the other in terms of braking response time? Thank you!

asked by: Ryan

Expert Reply:

The majority of brake line installations we do in our shop match the first method you have in the photo, labeled "Branch". We also prefer to use rubber hoses as they are easier to work with and there won't be an issue if you end up with extra. In regards to hard lines, you'll typically cut and re-flare these to the exact length you need as there isn't a great way to store excess line. I am not aware of any standards for sizing length but again, if you go with rubber you don't have to worry about being exact. We offer some kits with these rubber hoses like the Kodiak Hydraulic Brake Line Kit part # 20TA-BLKIT which is for tandem axles and has a 20' lead.

I have attached a link with all our kits below as well, some soft and some hard.

expert reply by: Conner L