braking problem

MIGHTYJO3YOUNG · May 25th, 2008, 10:39 PM

i finally got my car running today after a month of workin on it

anyways it revs real nice everything seems to be good except for my brakes. I took it for a test drive and it braked fine the first time i put the foot on the pedal, but once i let up and went to brake again it was as hard as a rock couldnt brake at all. Wait a minute and i could brake again but only once then hard again. Anyone know what might be the problem? thanks fellas. Ill put some pics up of the motor tommorow when its light out again.

terribleonexx88 · May 25th, 2008, 10:46 PM

vaccum line to the brake booster popped off maybe

MIGHTYJO3YOUNG · May 25th, 2008, 11:11 PM

possibly. could it be anything else?

nolife · May 25th, 2008, 11:17 PM

My Mustangs sit unused for long periods. Typically I clean off the pads and rotors with emery cloth or a wire brush and brake cleaner and even with that, it takes a few days before the brakes are back to normal. The time it takes driving around depends on if the rotors just have surface rust or if they are worse and have some pitting. I think with only a month, you should have only surface rust. You could have moisture in your lines or a leaking wheel cylinder or caliper piston.

Modified88Dreamer · May 25th, 2008, 11:21 PM

I'd have to say vaccum line as well. If its still in the booster, you might not have any vaccum at all.

MIGHTYJO3YOUNG · May 25th, 2008, 11:27 PM

Originally Posted by Modified88Dreamer

I'd have to say vaccum line as well. If its still in the booster, you might not have any vaccum at all.

What do you mean by if its still in the booster? ill check to see about vaccuum lines tommorow. Does the vacuum line go into the driver side fender?

thanks for the help guys. This site is like school for my car

i can learn pretty much anything from u guys!

Modified88Dreamer · May 26th, 2008, 02:00 AM

In this picture the part is still in the booster. The vacuum line just isnt hooked to it.

MIGHTYJO3YOUNG · May 29th, 2008, 12:51 PM

U guys were right! it was lack of vacuum! the line from the intake manifold was kinked going to the vacuum manifold= used all the vacuum and took about 15 seconds to charge again till i could brake. All better now though and better than before

Im happy!

sincityz · January 21st, 2011, 02:03 PM

Hey guys im having the same problem. I checked the vacuum lines like you said and they are all fine. Does this mean the booster is bad?

95tbirdv8 · January 21st, 2011, 02:06 PM

if you hear a hiss(air escaping) when you press the brake its most likely the booster.

May 25th, 2008, 10:39 PM	#1
MIGHTYJO3YOUNG Enthusiast 1992 mustang Lx 13.4@ 106 Join Date: Dec 2006 Location: MD Posts: 569 iTrader: 0 reviews	braking problem i finally got my car running today after a month of workin on it anyways it revs real nice everything seems to be good except for my brakes. I took it for a test drive and it braked fine the first time i put the foot on the pedal, but once i let up and went to brake again it was as hard as a rock couldnt brake at all. Wait a minute and i could brake again but only once then hard again. Anyone know what might be the problem? thanks fellas. Ill put some pics up of the motor tommorow when its light out again.

May 25th, 2008, 10:46 PM	#2
terribleonexx88 Enthusiast Join Date: Oct 2006 Location: new england Posts: 822 iTrader: 0 reviews	vaccum line to the brake booster popped off maybe __________________ 85 svo. work in progress

May 25th, 2008, 11:17 PM	#4
nolife MM Fanatic 91GT, 88GT, 02GT Join Date: Dec 2006 Posts: 3,057 Blog Entries: 3 iTrader: 0 reviews	My Mustangs sit unused for long periods. Typically I clean off the pads and rotors with emery cloth or a wire brush and brake cleaner and even with that, it takes a few days before the brakes are back to normal. The time it takes driving around depends on if the rotors just have surface rust or if they are worse and have some pitting. I think with only a month, you should have only surface rust. You could have moisture in your lines or a leaking wheel cylinder or caliper piston. __________________ Last edited by nolife; May 25th, 2008 at 11:19 PM.

May 25th, 2008, 11:21 PM	#5
Modified88Dreamer Enthusiast 1988 Mustang GT N/A Join Date: Nov 2006 Location: Florida Posts: 631 iTrader: 0 reviews	I'd have to say vaccum line as well. If its still in the booster, you might not have any vaccum at all. __________________ "I know that son-of-a-bitch is cheatin! Cause, I'm cheatin and he beat me"!

May 26th, 2008, 02:00 AM	#7
Modified88Dreamer Enthusiast 1988 Mustang GT N/A Join Date: Nov 2006 Location: Florida Posts: 631 iTrader: 0 reviews	In this picture the part is still in the booster. The vacuum line just isnt hooked to it. __________________ "I know that son-of-a-bitch is cheatin! Cause, I'm cheatin and he beat me"!

May 25th, 2008, 11:11 PM	#3
MIGHTYJO3YOUNG Enthusiast 1992 mustang Lx 13.4@ 106 Join Date: Dec 2006 Location: MD Posts: 569 iTrader: 0 reviews	possibly. could it be anything else?

May 29th, 2008, 12:51 PM	#8
MIGHTYJO3YOUNG Enthusiast 1992 mustang Lx 13.4@ 106 Join Date: Dec 2006 Location: MD Posts: 569 iTrader: 0 reviews	U guys were right! it was lack of vacuum! the line from the intake manifold was kinked going to the vacuum manifold= used all the vacuum and took about 15 seconds to charge again till i could brake. All better now though and better than before Im happy!

January 21st, 2011, 02:03 PM	#9
sincityz Newbie 1991 Mustang LX 5.0 Join Date: Mar 2010 Location: Las Vegas Posts: 30 iTrader: 0 reviews	Hey guys im having the same problem. I checked the vacuum lines like you said and they are all fine. Does this mean the booster is bad? __________________ Tired 200xxx mile 91 LX 5.0, BBK CAI, 70mm Throttle Body, Under Drive Pullies, BBK Shorties, MSD Wires and Coil, Electric Fan, Custom X-Pipe, Pypes Violators Dumped

January 21st, 2011, 02:06 PM	#10
95tbirdv8 Enthusiast 1990 mustang gt Join Date: May 2010 Location: houston, tx Posts: 627 iTrader: 0 reviews	if you hear a hiss(air escaping) when you press the brake its most likely the booster. __________________ Burning Rubber in the 5.0 http://www.youtube.com/watch?v=mKGSmRkKQcM95 95 mark8 lsc 95 tbird v8 90 mustang gt 07 silverado v8 08 yamaha r6 to be continued........ foxbodyperformance.com is the way to go

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