Ford F150 4×4April 13, 2015how do i tell if i have a bad front brake caliper Share Tweet Pinterest Keywords:F150 1 thought on “Ford F150 4×4” Freeautomechanic April 14, 2015 at 12:34 pm There are a few things that are sure signs of a bad brake caliper. One is if you find it leaking fluid from around the caliper piston. Another way is if you remove the caliper hose and the piston will not compress inward, this is a Frozen Caliper. The other would be if it has damage such as a broken mounting or cracked housing. Comments are closed.