Brake booster might have a leak. It only hisses when you step on the pedal?
If you shut the engine off, set a timer for, say 10MINs, and then come back and press the pedal, is it rock hard or do you still have a pump or two left?
Yes it is off a 94 note sure if it was adjusted how would i go about checkingEither air, or you have a caliper that is hung off the rotor giving you a LOT of travel before putting pressure on the rotor. Probably not the latter considering you had a mechanic bleed the brakes and it wasn't noticed.
94-98 GT/v6 front brakes
sn95 rear brakes
and a 94-95 GT/V6 Master cylinder correct? I do see the stock booster, but that shouldn't cause a soft pedal. If anything it would make the pedal firmer.
Was the brake booster pushrod ever adjusted?
https://techtalk.mpbrakes.com/how-t...forget-the-booster-pin-to-master-cylinder-gap
Thanks i well check it out, i learn a valuable lesson today always double check work the mechanic never toped off the brake fluid this could be my issue will update you all in a fewHere's a general procedure written into these directions
https://www.maximummotorsports.com/assets/install/pdf/brakes/MMBAK-1r1.pdf
Figured my dad said that it probably the cam not making enough vacuum to power the breaks does this sound logical if so how would i fix thisNo that's what supposed to happen. You'd basically have manual brakes at that point. Being rock hard means no air.
No i can pump it and it gets firm but starts to lose pressure after thatIf the cam was not making enough vacuum then the peddle would be hard. New master cylinder? If not it could be bad, but it sounds like air to me. Can you pump the peddle and make it feel better or is the first push good then loose pressure?
Tha ks will check that tomorrowIf the cam wasn't making vacuum you'd have a rock hard pedal with the vacuum line connected.
Measure booster rod lenght and make sure the rod does not have a gap before it contacts the MC
That was the booster i was looking at getting should bolt right up should i get a different master as well or can i still use a 94I still to this day with as many times as I have done the 5 lug/4 wheel disc swap can't figure why people will do the swap, but NOT put on a 93 cobra booster! If anyone tells you they did a 5 lug/4 wheel disc swap and still have the stock fox booster and have good brakes...they are lying. Plain and simple. 93 cobra booster is cheap, and it is not THAT hard to install. Put in a 93 cobra booster and be done with your problems.
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