Originally Posted by bluejay432000

This was covered a week or so ago. Do a search on the subject, there are several threads if you want to read more about it. It is the vacuum line going from the brake booster. It can get blown off if there is a back fire, then you have no power brakes.

Originally Posted by grey06f150

i put in my vin for my 06 screw and got zip no recalls so i think im in the clear .but what exactly is the problem is it in the front or rear brakes .could this be why so many pepoel complain of that squishy feeling in there brakes like i do (will be installing stoptech stage 2 kit soon as it gets here)