I have a 1986 lincoln continental, how do u knw the master cylinder is bad? on 1990 Lincoln Continental

brake petal goes all the way to the floor, no fluid on tire or on the ground.

Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
1 answer
could be leaking at brk booster or pedal will go to the flow. could also be leaky wheel cyl if pedal goes to the floor. seek proper diag