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front brakes #1489010
08/22/13 03:21 PM
08/22/13 03:21 PM
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s.w.fl
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bonefish Offline OP
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69 gtx man brakes.ive got MP(Master Power) disc on the front.they have always been so so as far as braking.now it wants to pull hard left until the right catches then pull to the right.ive had them completly apart and dont the anything visually wrong.i cant tell if the right catchin to soon or the left is catchin late.ive bled it so many times I NEED A TRANSFUSION>

Re: front brakes [Re: bonefish] #1489011
08/22/13 03:28 PM
08/22/13 03:28 PM
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Lincoln Nebraska
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RapidRobert Offline
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Pulling to the right means the left side ain't doing it's job & vice versa. they are (likely) bled out & if there is a bit of air still left in there & that is possible which is causing the lack of overall front braking as calipers can be very hard to fully bleed out at times but yet not enough air left to give you the classic (they will pump up for 5 seconds) symptom but there's a seperate hyd or mechanical issue going on which needs to be dealt with first that's causing the pulling right then left.


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Re: front brakes [Re: RapidRobert] #1489012
08/22/13 04:29 PM
08/22/13 04:29 PM
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Grand Prairie,Texas
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Check the rears also. They can cause a pull.

Re: front brakes [Re: stumpy] #1489013
08/22/13 06:37 PM
08/22/13 06:37 PM
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bonefish Offline OP
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Quote:

Check the rears also. They can cause a pull.


i checked the backs and even loosened them up a little.im pretty sure its the fronts.its not really a pull,its a sudden jerk then the otherside grabs and jerks it back.

Re: front brakes [Re: bonefish] #1489014
08/22/13 07:49 PM
08/22/13 07:49 PM
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Lincoln Nebraska
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Quote:

its a sudden jerk then the otherside grabs and jerks it back.


A sudden initial jerk to the left means there's a hyd/mechanical problem on the pass side. Concentrate your efforts there


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Re: front brakes [Re: RapidRobert] #1489015
08/22/13 07:51 PM
08/22/13 07:51 PM
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bonefish Offline OP
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Quote:

Quote:

its a sudden jerk then the otherside grabs and jerks it back.


A sudden initial jerk to the left means there's a hyd/mechanical problem on the pass side. Concentrate your efforts there


thats what im thinkin,mabey i should disconect it at the master and wheel and blow some air thru it.

Re: front brakes [Re: bonefish] #1489016
08/22/13 08:02 PM
08/22/13 08:02 PM
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RapidRobert Offline
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Yeah blowing air both ways would take care of the line blockage possibility as I've heard of the inner liner coming loose & acting like a 1 way check valve but to k.i.s.s. likely blowing air thru one way would take care of that possibility. both sides need to apply at the same time & for some reason the pass side ain't doing that. Before going to that trouble you might jack both wheels off of the ground & have a helper work the pedal as you spin each wheel & see what you see & it might be easier to see what's going on with the caliper with the wheel/tire off


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Re: front brakes [Re: RapidRobert] #1489017
08/22/13 08:16 PM
08/22/13 08:16 PM
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bonefish Offline OP
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i dont have a helper for the most part but i think your rite about consintrating my efferts on the side opposite of the pull.

Re: front brakes [Re: bonefish] #1489018
08/22/13 08:51 PM
08/22/13 08:51 PM
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Lincoln Nebraska
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Re: front brakes [Re: RapidRobert] #1489019
08/23/13 03:18 AM
08/23/13 03:18 AM
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a12superbee Offline
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I'd suspect a sticky caliper myself.
If blowing air through doesn't change anything swap the calipers and see if the problem moves to the other side.


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Re: front brakes [Re: a12superbee] #1489020
08/23/13 03:24 AM
08/23/13 03:24 AM
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Partridge, KY
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Quote:

I'd suspect a sticky caliper myself.
If blowing air through doesn't change anything swap the calipers and see if the problem moves to the other side.



Re: front brakes [Re: Hoop] #1489021
08/23/13 08:08 AM
08/23/13 08:08 AM
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bonefish Offline OP
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Quote:

Quote:

I'd suspect a sticky caliper myself.
If blowing air through doesn't change anything swap the calipers and see if the problem moves to the other side.





if i swap the caliper to the other side the bleeder will be too low and the brakes will not bleed.im going to look at it today.

Re: front brakes [Re: bonefish] #1489022
08/23/13 11:57 AM
08/23/13 11:57 AM
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Irving, TX
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Quote:

Quote:

Quote:

I'd suspect a sticky caliper myself.
If blowing air through doesn't change anything swap the calipers and see if the problem moves to the other side.





if i swap the caliper to the other side the bleeder will be too low and the brakes will not bleed.im going to look at it today.




Connect the brake hose, hold the caliper in your hand, and open the bleeder to allow gravity to do the work.


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Re: front brakes [Re: bonefish] #1489023
08/23/13 12:08 PM
08/23/13 12:08 PM
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central Florida
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Twice in my history the same symptom has turned out to be an inner wall collapsing in the flex hose ...

factory/replacement stock type hoses?

Inner wall blocks the flow at first application, slower apply/ eased up pedal would work normally (sort of).


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Re: front brakes [Re: VL21] #1489024
08/23/13 12:17 PM
08/23/13 12:17 PM
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bonefish Offline OP
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i took the hose off and applied about 20 psi of air thru it and it flowed good,i uped the pressure to 40 lbs and less air came thru.i ordered new soft hoses theyll be here to day.ill put it all back together and we,ll see.







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