5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

Brake problems

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Old 11-17-2009, 03:05 PM
  #11  
r1sky5.0
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They sink down with a bit of pressure.
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Old 11-17-2009, 04:54 PM
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Probably the master cylinder then.
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Old 11-17-2009, 05:36 PM
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Just bleeed your brakes like everyone is telling you and make sure your brake fluid resevoir is full and go from there dude and it'll make things a lot easier from there to diagnose whats going on with your car.
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Old 11-17-2009, 08:27 PM
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Originally Posted by 88GTBLACK
Just bleeed your brakes like everyone is telling you and make sure your brake fluid resevoir is full and go from there dude and it'll make things a lot easier from there to diagnose whats going on with your car.
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Old 11-17-2009, 11:02 PM
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I just learned that when the car is off there is a bit of pressure but when the car is on that pressure is gone?.
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Old 11-18-2009, 12:59 AM
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Originally Posted by r1sky5.0
I just learned that when the car is off there is a bit of pressure but when the car is on that pressure is gone?.
this time while pumping the brakes with the car off mind as well bleed them
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Old 11-18-2009, 01:09 PM
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Bad master or poorly adjusted/ bad wheel cylinders on the back drums, but if it a wheel cylinder you would have a fluid leak and it will show on the wheels.
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Old 11-18-2009, 08:35 PM
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Finished bleeding the front brakes and the brake response got better now its actually drivable. But is it normal for the brakes on our foxes to go down and sound like if they have air? I Know my other fox has the same sound. Do they both still have air in the sytem or is this normal?
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Old 11-20-2009, 08:32 PM
  #19  
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So I finished bleeding my brakes and the pedal stil sinks real low but now it actuall makes the car stops. What do you guys think is the problem? Could it be the master cylinder? There are no leaks that I can see on my driveway.
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Old 11-20-2009, 08:40 PM
  #20  
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Only thing left for it to be is the master. If the booster was bad, the pedal would be stiffer than hell.
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