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spongy brakes, no pressure..

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Old May 18, 2010 | 07:54 PM
  #1  
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Default spongy brakes, no pressure..

ive bled them over and over..car on car off

it takes forever to stop...new pads...

the pedal still comes back up on its own...when i bleed the brakes, the pressure is insane...then i get to drive it and its crazy spongy again...
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Old May 18, 2010 | 08:47 PM
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Default Re: spongy brakes, no pressure..

did u bleed each caliper? starting with the closest to the master cylinder (should b driver side)then do the driver rear then pass rear then pass front and u should b good same thing happend to me after i did that worked like a champ
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Old May 18, 2010 | 08:51 PM
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Default Re: spongy brakes, no pressure..

what? who bleeds the rear brakes? ive never done such a thing!
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Old May 18, 2010 | 08:57 PM
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Default Re: spongy brakes, no pressure..

lol well maybe thats why u still have spongy brakes
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Old May 18, 2010 | 11:07 PM
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Default Re: spongy brakes, no pressure..

I think that was sarcastic. At least I hope so. For a prelude the proper order is Left front, right rear, right front, left rear. Also if you let the fluid level in the resevoir get too low then you may have gotten air in the ABS controller, which would require a special electronic tool to cycle the solonoids in the controller to get out. Also check for leaks in the system and if you're brake fluid has absorbed too much water that could also be an issue, but prolly not if you bled the crap out of it. Supposing you used fresh fluid of course.
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Old May 19, 2010 | 06:55 AM
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Default Re: spongy brakes, no pressure..

if all else fails replace the master cylinder.
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Old May 19, 2010 | 07:41 AM
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Default Re: spongy brakes, no pressure..

Originally Posted by havikprelude
I think that was sarcastic. At least I hope so. For a prelude the proper order is Left front, right rear, right front, left rear. Also if you let the fluid level in the resevoir get too low then you may have gotten air in the ABS controller, which would require a special electronic tool to cycle the solonoids in the controller to get out. Also check for leaks in the system and if you're brake fluid has absorbed too much water that could also be an issue, but prolly not if you bled the crap out of it. Supposing you used fresh fluid of course.
i wasnt being sarcastic...

ive never bled rear brakes, when i change pads, i just turn the pumps back...ive never bled them..


how the HELL do i bleed the rear brakes?


this blows.!!!
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Old May 19, 2010 | 09:35 AM
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Default Re: spongy brakes, no pressure..

The same you would bleed the front brakes...

Pump the clutch slowly three times, then hold the brake pedal down. Have someone crack the bleed screw and when the flow almost stops, close it. Repeat til no air bubbles or dirty fluid is coming out. Same as the front brakes...

You should always bleed the brakes in the order I listed above, start with the tire that is closest to the m/c, then go to the next tire on that system, then the tire second closest to m/c, then the next tire on that system. Basically left front, right rear, right front, left rear.

(bleed order varies from car to car, so always double check your owners manual. Also always be sure to use the right fluid, and never use fluid from a container that has been sitting and has been previously opened. Brake fluid is hygroscopic, and absorbs water, water and brake fluid don't mix well, and will f*ck sh*t up inside your system.)
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Old May 19, 2010 | 09:38 AM
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Default Re: spongy brakes, no pressure..

damn, alright, i have NEVER done this, and its my third prelude, thanx for the info.
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Old May 19, 2010 | 10:54 AM
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Default Re: spongy brakes, no pressure..

Yea....when you bleed brakes you do both front and back...unless of course you don't have rear brakes. ..
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Old May 19, 2010 | 05:09 PM
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Default Re: spongy brakes, no pressure..

Most preludes have all 4 disc brakes lol that i've seen so far... i would say master cylinder
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Old May 19, 2010 | 05:53 PM
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Default Re: spongy brakes, no pressure..

Originally Posted by havikprelude
I think that was sarcastic. At least I hope so. For a prelude the proper order is Left front, right rear, right front, left rear. Also if you let the fluid level in the resevoir get too low then you may have gotten air in the ABS controller, which would require a special electronic tool to cycle the solonoids in the controller to get out. Also check for leaks in the system and if you're brake fluid has absorbed too much water that could also be an issue, but prolly not if you bled the crap out of it. Supposing you used fresh fluid of course.
really?? huh thats crazy either way my way worked for me lol
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Old May 19, 2010 | 06:13 PM
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Default Re: spongy brakes, no pressure..

I'm still roughly new at the prelude thing but i've never thought it made a difference in what order brakes are bled.
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Old May 19, 2010 | 08:14 PM
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Default Re: spongy brakes, no pressure..

There is an order lol, it just has to do with how efficient the bleed is and how effectively you get the air out. You're also supposed to use an electronic hand tool to cycle the solonoids in the ABS controller, but if you don't let the fluid get sucked completely out of the resevoir then you won't get air in the abs controller so you don't have to worry about it.
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Old May 19, 2010 | 08:14 PM
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Default Re: spongy brakes, no pressure..

im telling u, ive never done this...HOWEVER...i have thought that MAYBE my rear brakes werent as strong as my front before...



i have ANOTHER QUESTION

when i press the brakes, do my REAR brakes apply pressure as well, or at they ONLY for parkin brake?

ive never known for sure.
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Old May 19, 2010 | 08:34 PM
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Default Re: spongy brakes, no pressure..

they do but not much idk the exact percentage but lets say 80-20 is applied trew the brake system
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Old May 19, 2010 | 08:50 PM
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Default Re: spongy brakes, no pressure..

The parking brakes ARE only applied to the rear brakes. However, when you brake when driving you DO use the rear brakes. And yes the distribution of hydraulic force is more in the front than in the back, so your front brakes do about 80% of the work while your rear brakes do about 20%.
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Old May 19, 2010 | 09:01 PM
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Default Re: spongy brakes, no pressure..

Originally Posted by havikprelude
The parking brakes ARE only applied to the rear brakes. However, when you brake when driving you DO use the rear brakes. And yes the distribution of hydraulic force is more in the front than in the back, so your front brakes do about 80% of the work while your rear brakes do about 20%.
huh sound alot like wat i just said...but maybe not lmao
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Old May 20, 2010 | 05:28 AM
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Default Re: spongy brakes, no pressure..

Lol it is what you just said just more detailed
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Old May 20, 2010 | 07:00 AM
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Default Re: spongy brakes, no pressure..

both descriptions work for me, thanx guys.
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Old May 20, 2010 | 10:42 AM
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Default Re: spongy brakes, no pressure..

Originally Posted by LobeSex
did u bleed each caliper? starting with the closest to the master cylinder (should b driver side)then do the driver rear then pass rear then pass front and u should b good same thing happend to me after i did that worked like a champ
Originally Posted by havikprelude
The same you would bleed the front brakes...

Pump the clutch slowly three times, then hold the brake pedal down. Have someone crack the bleed screw and when the flow almost stops, close it. Repeat til no air bubbles or dirty fluid is coming out. Same as the front brakes...

You should always bleed the brakes in the order I listed above, start with the tire that is closest to the m/c, then go to the next tire on that system, then the tire second closest to m/c, then the next tire on that system. Basically left front, right rear, right front, left rear.

(bleed order varies from car to car, so always double check your owners manual. Also always be sure to use the right fluid, and never use fluid from a container that has been sitting and has been previously opened. Brake fluid is hygroscopic, and absorbs water, water and brake fluid don't mix well, and will f*ck sh*t up inside your system.)

wrong and wrong.


heres the correct sequence for the prelude.

1. RR
2. FL
3. RL
4. FR


and just so noone says i dont know what im talking about, i snapshot the Honda Prelude service manual.

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Old May 20, 2010 | 11:08 AM
  #22  
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Default Re: spongy brakes, no pressure..

He did mention to check the manual. it does vary for different model/gen
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Old May 20, 2010 | 12:39 PM
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Default Re: spongy brakes, no pressure..

u guys are the best.
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Old May 20, 2010 | 05:49 PM
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Default Re: spongy brakes, no pressure..

Originally Posted by darkestfenix
wrong and wrong.


heres the correct sequence for the prelude.

1. RR
2. FL
3. RL
4. FR


and just so noone says i dont know what im talking about, i snapshot the Honda Prelude service manual.

like i said...worked just fine for me
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Old May 20, 2010 | 07:37 PM
  #25  
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Default Re: spongy brakes, no pressure..

hey, ill be giving out free hugs..if n e one wants one.

i dnt want pple upset over the absolute proper way of bleeding brakes...


also, i was told if my slider pin is seized my brakes can get spongy because pads dnt retract.
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