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#1
10-28-2004, 09:49 PM
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Brake pedal.
Lately my brake pedal has been going down to the floor when I depress it. I figure it's some air in the lines. Where is the master cylinder and bleeder screw? Also whats the procedure to release the air?
Thx.
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1988 Mustang 5.0 5spd/CAI,BBK 65mm TB,BBK underdrive pulleys, Flowmaster catback, E303 cam, headers, mass air conversion, Steeda tri ax shifter, 3.73 gears, Trick Flow street intake, 3g 130 Amp Alt. 
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#2
10-29-2004, 12:42 AM
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It COULD be air in your lines, but that would mean you have a leak somewhere. Have you checked your brake thickness lately, whats it at? The bleeder screw for disc brakes is on the caliper. The bleeder screw for drums is on the back of the backing plate, opposite the wheel cylinder. Check your pads and rotors before you do anything else. Worst case scenario you could have a bad vacuum booster.
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92 Mustang GT, 347 Stroker(Forged Steel Crank/Rods-Balanced, Forged Alum Dished Pistons), B50 Block, Track Heat Intake, Twisted Wedge Heads w/ Stage 3 port/polish, 80mm C&L MAF, FMS 30# Inj., BBK AFPR, Trick Flow Stage 2 Cam, Trick Flow 1.6R Rockers, BBK EL-CC Headers, MAC O.R. H-Pipe, Flowmaster Cat-Back, Accufab 75mm TB, MAC CAI, BBK Pulleys, Griffin Alum Radiator, Mark 8 Fan, MSD Pro-Billet Distributor; AOD, Dynamic 3300 L-U Converter, B&M Trans Cooler; 3:73 gears.
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#3
10-29-2004, 10:25 AM
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Re: Brake pedal.
So if there is air in the lines, that means that after I bleed it eventually it will find its way back in?. My brake pads are only a couple months old. Is there anyway to check the vacuum booster to see if it's working properly? Also where is the location of the vacuum booster?
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1988 Mustang 5.0 5spd/CAI,BBK 65mm TB,BBK underdrive pulleys, Flowmaster catback, E303 cam, headers, mass air conversion, Steeda tri ax shifter, 3.73 gears, Trick Flow street intake, 3g 130 Amp Alt.
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#4
10-29-2004, 01:16 PM
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Chances are if this is something that just started happening and you check ya lines, calipers, slave cylinders and there are no leaks. Your master cylinder is no good.
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R.I.P. Hypsi- Andy your one of the best people I ever had the priviledge to know. AF and the world has lost one of the truly wonderful people... 
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#5
10-29-2004, 01:18 PM
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Re: Brake pedal.
Quote:
__________________
1988 Mustang 5.0 5spd/CAI,BBK 65mm TB,BBK underdrive pulleys, Flowmaster catback, E303 cam, headers, mass air conversion, Steeda tri ax shifter, 3.73 gears, Trick Flow street intake, 3g 130 Amp Alt.
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