93 Fox Brake Issues! - Mustang Evolution

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Old 07-18-2013, 07:50 PM   #1
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93 Fox Brake Issues!

Just bought a 93 LX hatch (5.0). The brakes felt very weak on it. Put on new rotors (stock), new lines (braided), new master cylinder and tried using SVO calipers. After install brake pedal goes to the floor and car wont stop at all. Call Late Model Resto and they advised not to use SVO calipers with rear drums. Put stock calipers (new ones) on, new fluid and bled brakes. Car will now stop, but you have to put the pedal to the floor to make it stop and then barely!

So, new rotors, calipers, pads, lines, fluid and master cylinder and still barely stops. I haven't touched the rear drums yet, but that shouldn't have anything to do with pedal going to the floor. Booster maybe?
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Old 07-18-2013, 09:39 PM   #2
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Yeah, with everything else seems as though the booster is the only thing left.
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Old 07-18-2013, 11:46 PM   #3
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The drum brake adj. Affects the pedal height. If your booster was not working your pedal would be rock hard and take a ton of effort to push down. Are you Sure you bench bled the master and got all the air out of the system? I ran the svo calipers and everything else stock and had no issues on my 93.
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Old 07-19-2013, 07:19 PM   #4
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Sounds like brakes weren't bled properly to me. Check your system, makes sure all the air is out.
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Old 07-19-2013, 07:23 PM   #5
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Did you bench bleed the new master cylinder
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Old 07-19-2013, 08:00 PM   #6
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Yes the cylinder and lines were bled. Cylinder bench bled and line manually then vacuum bled.
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Old 07-20-2013, 02:58 PM   #7
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Double check all connections and make sure proper type and amount of fluid.
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Old 07-21-2013, 09:59 PM   #8
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Check for vacuum leaks
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Old 07-29-2013, 12:03 PM   #9
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If u have no leaks I'm assuming???bad booster will make pedal hard....does pedal get hard when u pump brakes not running???so bleed brakes,rt rear,lt rear,Frt rt,then Frt lt....in that order...if it still goes to floor then take master back off and bleed again...
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