Whatever you do, do not attenpt to disassemble the electronic brake booster without exact knowledge of this specific system. Its under serious pressure and is very dangerous.. If u do feel the need to replace it, you have to find a parts dealer that deals thru a1 cardone and have them ship it out to them for rebuild. Cardone only deals with distributors and have said to me that everythings rebuildable to most standards.. Gave me a 98% success rate on these units. Try opening a line and press pedal to floor very hard a few times as if ur putting the pedal thru the floor. If theres any noise r any kind of vibration indicating that the motor even runs at all its possible u could recover your system without a rebuild just work it out sort of thing. If not, do contact a parts distributor and try locating one. Many just suggest converting to vacuum assist.
This vehicle has an electronic brake booster with built in abs module Cardone made these specifically for ford in these vehicles specificly in turbo coupes. If it is bad ur very unlikely to find a new one I have spent nearly 700 per extra that I have as backups. I had the very same issue for two years and I finally blew a line and when I refilled master cylinder it made a noise I firmlypressed and held pedal then added more fluid.. my entire brake systemin my 88 took nearly a gallon and showed it was full after a small amount yet took all that extra before it finally overfilled.. iI then just wworked the pedal a few times firmly and it works like new every time.
Either a vacuum leak or a bad power brake booster. Check vacuum tube/line from engine to booster. If you have a strong vacuum then booster may be bad. Also might be bad brake master-cylinder piston. But if brakes work, just are hard to push, most likely it is the booster.
Ok well if it is either one of those things how are my chances on getting a new one to replace it.
You should have no problem getting the parts either online or from a local parts store like Pepboy, Rileys, Autozone, etc. Online try Rock Auto . com. Have this checked out be a local mechanic before you spend the money. It is not a fix at home project unless you have the tools know how to bleed the brakes. Good luck (BTW nice car. I have a Mark VIII)
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Brake line stoped up or bad rubber line
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