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brake issue


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i recently have started to have a problem with my brakes. they are squishy. when you push the pedal, it ...


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Old 07-10-2018, 09:58 AM   #1 (permalink)
 
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i recently have started to have a problem with my brakes. they are squishy. when you push the pedal, it goes all the way down, fairly easy. i really have to push on them to slow down from higher speeds. it almost like the pressure isnt staying. some say the master cylender, some say its the brake lines. one caliper isnt closing hard enough. its greased and moves freely. there are no fluid leaks and no air bubbles in the system. now i get these brakes hot 3 or 4 tines a week and when i say hot, you can see the pic i attached. any suggestions where i start first? im getting new rotors and pads soon but i dont think its going to solve my problem.
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Old 07-10-2018, 10:11 AM   #2 (permalink)
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are you cooking the fluid?
when was the last time it was fully changed?

Thatís probably where Iíd start - in fact, I will be doing it on one of my bikes for almost the same reason. The pads are old but not out of service limits, but the lever doesnít feel right, so I grounded her until l can get the fluid flushed.

if you pump the brakes, do you get a better feel? if not, Iím less inclined to think air or fluid.

Honestly, brake pedal to the floor sounds more like a leak to me, but you said no fluid leaks.
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Old 07-10-2018, 10:43 AM   #3 (permalink)
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Originally Posted by smurfslayer View Post
are you cooking the fluid?
when was the last time it was fully changed?
This is where I would start, as well.


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Old 07-10-2018, 10:53 AM   #4 (permalink)
 
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Stainless lines will help for sure but that not the root cause if it has changed since you got it. Fluid gets old and holds some moisture could be a cause. How long since you looked at the rear parking brakes? Have ya had it in water or mud and not cleaned the rear out? Thats tends to happen a lot.


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Old 07-10-2018, 11:05 AM   #5 (permalink)
 
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Are both front rotors that hot? How hot are the back ones at the same time?


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Old 07-10-2018, 11:17 AM   #6 (permalink)
 
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all rotors are like that after i come down the mountain. fronts a little brighter than the rear. the rear parking brake is broken. so i have no parking brake. i just got a new cable because it was the cable that is broken. but parking brake should have an effect on the brakes would it?

---------- Post added at 07:17 AM ---------- Previous post was at 07:15 AM ----------

Originally Posted by smurfslayer View Post
are you cooking the fluid?
when was the last time it was fully changed?

Thatís probably where Iíd start - in fact, I will be doing it on one of my bikes for almost the same reason. The pads are old but not out of service limits, but the lever doesnít feel right, so I grounded her until l can get the fluid flushed.

if you pump the brakes, do you get a better feel? if not, Iím less inclined to think air or fluid.

Honestly, brake pedal to the floor sounds more like a leak to me, but you said no fluid leaks.
pumping the brakes doesnt do anything. when the vehicle is off and i pump the brakes i get pressure, but not what it used to be. fluid is mostly clear, doesnt appear to be burnt


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Old 07-10-2018, 11:45 AM   #7 (permalink)
 
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Originally Posted by The Car Stereo Company View Post
all rotors are like that after i come down the mountain. fronts a little brighter than the rear. the rear parking brake is broken. so i have no parking brake. i just got a new cable because it was the cable that is broken. but parking brake should have an effect on the brakes would it?

---------- Post added at 07:17 AM ---------- Previous post was at 07:15 AM ----------


pumping the brakes doesnt do anything. when the vehicle is off and i pump the brakes i get pressure, but not what it used to be. fluid is mostly clear, doesnt appear to be burnt
If the parking brake it broke what is used to make the adjust on the rears?


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Old 07-10-2018, 11:49 AM   #8 (permalink)
 
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what adjustement? i thought the parking brake was not part of the actual braking system


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Old 07-10-2018, 12:01 PM   #9 (permalink)
 
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Originally Posted by The Car Stereo Company View Post
what adjustement? i thought the parking brake was not part of the actual braking system
It has a adjuster that keeps the calipers in adjustment. You can manually adjust it should be a rubber plug you can remove and adjust it.


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Old 07-10-2018, 12:13 PM   #10 (permalink)
 
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I think I would change the fluid and replace the rubber lines with stainless and check your calipers closely when you change the pads and rotors.
We had rubber lines fail in a Dodge pickup/brushfire truck, caused the brakes to drag and overheat pretty much the whole system.


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