Chosen Solution

How much would it cost to fix a break line?

tarra, depends on which line. If you are talking about the steel lines from your master cylinder to the wheels, you are looking around $100 and to replace all lines I would calculate between 4 to 8 hrs labor. Depends on if they remove the old lines and use the same mounts or leave the old and just place the new ones besides. So, between $300 to $600 for labor cost. Of course, this is for all the lines, since you did not state which line you need to replace. Hope this helps, good luck