(Husband watches) My car is a 2005 Mercury Sable LS, front calipers/rear drum brakes. Received the brake lines (LF and HF side) today, Saturday, 09/12/20. I replaced both front brake calipers (LF froze and the piston bellows were torn) about two weeks ago. 180,000 on original calipers. Fast forward to 9/9. The LF caliper behaved like it would freeze and reheat, so it must have been a bad/collapsed brake line. At first I suspected that the master cylinder might be failing, but I didn't haveβ¦