ABS problem?

Killax15 · April 20th, 2008, 07:01 PM

Hey i have a 2000 mustang gt and sometimes my brake pedal would kick back at me or feel like it doesn't want to stop sometime, one of my friends mechanic was driving it the other day and said that it may be a abs problem, he said when he hits the brake pedal you here like a pulsating noise he thinks it may be the abs, i recnelty changed the power brake booster cuz there was a leak as well as the per portioning valve, anyone have any ideas on what it could be?

00redgt · April 20th, 2008, 09:24 PM

does the pedal get hard an stay hard,if so its the maaster cylinder,mine did that an i changed the master cylinder an it quit

Black02GT · April 20th, 2008, 09:27 PM

my 02 gt did that. then my power steering pump went out. anything with the power steering will essentially effect the brake pedal also since its hydra assist or what ever you call it.

coffinator6 · April 20th, 2008, 09:40 PM

Can you hear the abs moduel?? i used to be able to hear mine kick on and off. even while not breaking.

Killax15 · April 21st, 2008, 09:27 AM

well i dunno i cant really explain it sumthi ni never felt b4 in any car, i changed the power brake booster the whole module as well as the perportioning valve cause i saw there was a leak, other than that i dunno how much is a master cylinder?

Killax15 · April 21st, 2008, 09:43 PM

any ideas guys?

00redgt · April 21st, 2008, 09:52 PM

a remain is around 65 but a new like i got was 225

coffinator6 · April 21st, 2008, 11:13 PM

Originally Posted by Killax15

well i dunno i cant really explain it sumthi ni never felt b4 in any car, i changed the power brake booster the whole module as well as the perportioning valve cause i saw there was a leak, other than that i dunno how much is a master cylinder?

did you replace the abs module. i was told that you have to have a special tool to get all the air out of it. If you did, take it to ford and have them bleed it and your brakes.

Killax15 · April 22nd, 2008, 09:28 AM

Hmm So i may need to get the air out of my brake lines first to see? Then Replace my abs module?

Killax15 · May 7th, 2008, 08:00 PM

OK SHould i get a new master cylinder first or get a power steering pump to fix this problem this is a on going issue that needs to stop as im planning on turbo chargin my stang :\

Killax15 · May 8th, 2008, 01:41 AM

ANy suggestions guys ?

B0B · May 8th, 2008, 03:08 AM

couldn't tell ya. if i know how to permanately disable my ABS i would in heartbeat. ABS and Trac control are for women who don't know how to drive.

00redgt · May 8th, 2008, 07:20 PM

my cars abs doesnt work nor does the t/c but my problem was the master cylinder

Killax15 · May 9th, 2008, 12:16 AM

now how did u kno if it was the master cylinder see i had this porblem for almost a yr now. should i jus replace the power steering pump? master cylinder? or abs unit?

00redgt · May 9th, 2008, 10:52 AM

i just got lucky i guess,i knew it wasnt he caliper or line, so i changed the master cylinder an its worked every since

Killax15 · May 12th, 2008, 08:46 PM

oK SO i think i came to the conclusion that it is the abs module thats messed up on my car, cause recently i was doing 50 mph and when i put my foot on the brake not all the way down my brakes locked up on me then i jus slided practically. Now i did another test from first gear i slammed on the gas then stopped aand my abs kicked in and i stopped nice and easy tires screechin and shit i didnt slide or nothin it felt like i still was in control but soon after i stopped and started movin again i felt my brake pedal and it bagan to hardened it felt like i was walking on rocks and it was scrapin up on the concrete. so just off of what i told you guys do you think i may be rite? I dont think its the power steering cuz the steering and fine it never feels like its givin me any resistance, and i replaced the power brake booster already

00redgt · May 12th, 2008, 10:55 PM

could be,ur just goin to have to change it an see for yorself.when my pedal was gettin hard an i was on gravels or wet road i would start spinning till it free'd upeven on dry road i would have to make it go.when u hit ur brakes hard an stopped real good ur master cyl.will keep pressure on ur brakes until it releases.thats what i was told

Killax15 · May 13th, 2008, 12:26 AM

SO you sayin it could also be my master cylinder thats messed up?

00redgt · May 13th, 2008, 10:52 AM

i would try the master cylinder first then the abs,or better off just take it to a mechanic

john@wms · May 15th, 2008, 12:10 AM

Vehicles with hydra boost do not have brake boosters, it is two diffrent systems so if you put a booster on it it is not your p.s. pump. The kick back feeling you describe sounds like (without drving the car) false activation of the abs system, mostly caused by a broken tone ring (one tone ring at each of the four wheels) the speed sensor sees that there is a variance in the signals of the 4 sensors and activates the abs. MOST OF THE TIME if it is a module or sensor it will set a code and trip the light. Master cylinder mainly causes hard pedal or soft pedal conditions. Hope that helped.

April 20th, 2008, 07:01 PM	#1
Killax15 Regular Join Date: Jul 2007 Posts: 137	ABS problem? Hey i have a 2000 mustang gt and sometimes my brake pedal would kick back at me or feel like it doesn't want to stop sometime, one of my friends mechanic was driving it the other day and said that it may be a abs problem, he said when he hits the brake pedal you here like a pulsating noise he thinks it may be the abs, i recnelty changed the power brake booster cuz there was a leak as well as the per portioning valve, anyone have any ideas on what it could be?

April 20th, 2008, 09:24 PM	#2
00redgt Hardcore Enthusiast 2000 mustang gt Join Date: Oct 2007 Location: oakwood,va Posts: 1,012	does the pedal get hard an stay hard,if so its the maaster cylinder,mine did that an i changed the master cylinder an it quit __________________ 2000 GT 1chamber flows.summit tips.20%all around.255/45/17 sumitomo htr z tires.an still slow soon to come.cai an o/r h pipe

April 20th, 2008, 09:27 PM	#3
Black02GT Hardcore Enthusiast 03 Mach 1--~--1 of 2513 8.9 1/8 mile time Join Date: Apr 2007 Location: Alcoa/Knoxville, Tn Posts: 1,287	my 02 gt did that. then my power steering pump went out. anything with the power steering will essentially effect the brake pedal also since its hydra assist or what ever you call it. __________________ -Josh- 2003 Torch Red Mach 1 Originally Posted by HMUSN it's like racing a mach 1 .. not untouchable but still gonna lose plain and simple no matter how you roll the dice.

April 21st, 2008, 09:52 PM	#7
00redgt Hardcore Enthusiast 2000 mustang gt Join Date: Oct 2007 Location: oakwood,va Posts: 1,012	a remain is around 65 but a new like i got was 225 __________________ 2000 GT 1chamber flows.summit tips.20%all around.255/45/17 sumitomo htr z tires.an still slow soon to come.cai an o/r h pipe

May 8th, 2008, 03:08 AM	#12
B0B Hardcore Enthusiast 2001 Mustang GT 14.14@100.7 stock Join Date: Dec 2006 Location: Milton, WA Posts: 1,134	couldn't tell ya. if i know how to permanately disable my ABS i would in heartbeat. ABS and Trac control are for women who don't know how to drive. __________________ 2001 Black GT 5speed (DD) 05 Suzuki SV650S (55mpg+wheelies on demand ) www.myspace.com/jeepwheelerbob

April 20th, 2008, 09:40 PM	#4
coffinator6 Regular Join Date: Feb 2007 Location: Choctaw. Oklahoma Posts: 431	Can you hear the abs moduel?? i used to be able to hear mine kick on and off. even while not breaking.

April 21st, 2008, 09:27 AM	#5
Killax15 Regular Join Date: Jul 2007 Posts: 137	well i dunno i cant really explain it sumthi ni never felt b4 in any car, i changed the power brake booster the whole module as well as the perportioning valve cause i saw there was a leak, other than that i dunno how much is a master cylinder?

April 21st, 2008, 09:43 PM	#6
Killax15 Regular Join Date: Jul 2007 Posts: 137	any ideas guys?

April 22nd, 2008, 09:28 AM	#9
Killax15 Regular Join Date: Jul 2007 Posts: 137	Hmm So i may need to get the air out of my brake lines first to see? Then Replace my abs module?

May 7th, 2008, 08:00 PM	#10
Killax15 Regular Join Date: Jul 2007 Posts: 137	OK SHould i get a new master cylinder first or get a power steering pump to fix this problem this is a on going issue that needs to stop as im planning on turbo chargin my stang :\

May 8th, 2008, 01:41 AM	#11
Killax15 Regular Join Date: Jul 2007 Posts: 137	ANy suggestions guys ?

May 8th, 2008, 07:20 PM	#13
00redgt Hardcore Enthusiast 2000 mustang gt Join Date: Oct 2007 Location: oakwood,va Posts: 1,012	my cars abs doesnt work nor does the t/c but my problem was the master cylinder __________________ 2000 GT 1chamber flows.summit tips.20%all around.255/45/17 sumitomo htr z tires.an still slow soon to come.cai an o/r h pipe

May 9th, 2008, 12:16 AM	#14
Killax15 Regular Join Date: Jul 2007 Posts: 137	now how did u kno if it was the master cylinder see i had this porblem for almost a yr now. should i jus replace the power steering pump? master cylinder? or abs unit?

May 9th, 2008, 10:52 AM	#15
00redgt Hardcore Enthusiast 2000 mustang gt Join Date: Oct 2007 Location: oakwood,va Posts: 1,012	i just got lucky i guess,i knew it wasnt he caliper or line, so i changed the master cylinder an its worked every since __________________ 2000 GT 1chamber flows.summit tips.20%all around.255/45/17 sumitomo htr z tires.an still slow soon to come.cai an o/r h pipe

May 12th, 2008, 08:46 PM	#16
Killax15 Regular Join Date: Jul 2007 Posts: 137	oK SO i think i came to the conclusion that it is the abs module thats messed up on my car, cause recently i was doing 50 mph and when i put my foot on the brake not all the way down my brakes locked up on me then i jus slided practically. Now i did another test from first gear i slammed on the gas then stopped aand my abs kicked in and i stopped nice and easy tires screechin and shit i didnt slide or nothin it felt like i still was in control but soon after i stopped and started movin again i felt my brake pedal and it bagan to hardened it felt like i was walking on rocks and it was scrapin up on the concrete. so just off of what i told you guys do you think i may be rite? I dont think its the power steering cuz the steering and fine it never feels like its givin me any resistance, and i replaced the power brake booster already

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May 12th, 2008, 10:55 PM	#17
00redgt Hardcore Enthusiast 2000 mustang gt Join Date: Oct 2007 Location: oakwood,va Posts: 1,012	could be,ur just goin to have to change it an see for yorself.when my pedal was gettin hard an i was on gravels or wet road i would start spinning till it free'd upeven on dry road i would have to make it go.when u hit ur brakes hard an stopped real good ur master cyl.will keep pressure on ur brakes until it releases.thats what i was told __________________ 2000 GT 1chamber flows.summit tips.20%all around.255/45/17 sumitomo htr z tires.an still slow soon to come.cai an o/r h pipe

May 13th, 2008, 12:26 AM	#18
Killax15 Regular Join Date: Jul 2007 Posts: 137	SO you sayin it could also be my master cylinder thats messed up?

May 13th, 2008, 10:52 AM	#19
00redgt Hardcore Enthusiast 2000 mustang gt Join Date: Oct 2007 Location: oakwood,va Posts: 1,012	i would try the master cylinder first then the abs,or better off just take it to a mechanic __________________ 2000 GT 1chamber flows.summit tips.20%all around.255/45/17 sumitomo htr z tires.an still slow soon to come.cai an o/r h pipe

May 15th, 2008, 12:10 AM	#20
john@wms Newbie Join Date: May 2008 Posts: 2	Vehicles with hydra boost do not have brake boosters, it is two diffrent systems so if you put a booster on it it is not your p.s. pump. The kick back feeling you describe sounds like (without drving the car) false activation of the abs system, mostly caused by a broken tone ring (one tone ring at each of the four wheels) the speed sensor sees that there is a variance in the signals of the 4 sensors and activates the abs. *MOST OF THE TIME* if it is a module or sensor it will set a code and trip the light. Master cylinder mainly causes hard pedal or soft pedal conditions. Hope that helped.