try using a heavy dose of wd40 and a center punch to try and free up the pin
Since no one should really want to disconnect their brakes, this question might be asking how to repair / replace rear brake pads or shoes.Assuming that to be the case, See "Related Questions" below for more about rear drum and disc type brakes on Taurus / Sables.
You must remove it, fit a new one and then bleed the brakes to remove the air in the new line.
repair a timing cover on a 1992 ford Taurus
A repair shop can release a car with bad brakes if they were not asked to repair the brakes or the customer refused service. It is then the responsibility of the customer to have them repaired.
Remove the tire and wheel. Remove the brake pad hardware. Remove the brake pads. Remove the rotor. Reverse the process to install the new brake pads and rotors.
There are some mechanics that do know how to repair car brakes. If you wanted to find out who repair car brakes, you can ask around in the neighborhood or ask a family or a friend.
get a new one then bleed your brakes A new Ford master cylinder must be bench bled before it is installed, or it will be impossible to bleed the system later.
IF YOU SERIOUSLY HAVE TO ASK THAT QUESTION, YOU SHOULD NOT BE TOUCHING THE BRAKES !!! TAKE IT TO A REPAIR FACILITY THAT SPECIALIZES IN BRAKE REPAIR !
If you can't change the oil of your car on your own...do not attempt to repair the brakes, save yourself future trouble, for your safety and the safety of others take the car to a certified mechanic shop....do not gable....sleep well and drive safe.
A repair manual for the 1998 Buick Park Avenue would have a brakes repair diagram. A popular book is the Haynes Repair Manual.
It depends greatly on the repair needed and the tools you have on hand in determining how long it takes to repair brakes and brake services. If you don't have that have a professional do it.
If you don't repair your front brakes, your back brakes will wear down faster. This will cost you more money in the long run. It's probably important to have all your brakes working.