I just changed the front pads and rotors on my 93 ex with ABS. i got the job all done and went to go pump up my brakes with the car off, they got rock solid. I turned the car on and went to step on the brake pedal and it went near the floor. i tore everything back apart and tried to look for an answer, i got nothing. just for shits and giggles on the ABS system is there a check valve that could have got screwed up or push into the wrong place while pushing the piston in. if so is there a procedure to put it back in its place. if not then what could be the prob. I already bled them BTW.
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Last edited by MyHonnaCB7; 03-29-2008, 11:55 AM. -
did you by any chance take the calipers off. If you did, did u put them back on the right side. Is the bleeder valve on top or bottom of the caliper. I once swaped calipers on the wrong side on a diff car and it didn't even want to idle right if u can believe that -
As mentioned above, did you take the caliper all the way off (as in, disconnect the brake lines)? If you didn't, and just pushed the piston back in, then you will probably have to pump the brakes a couple of times with the car on to firm it back up.1992 Prelude S w/swapped H22AComment
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no, the calipers were never taken off. im still thinkin its an ABS problem.Comment
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You didn't drain the fluid at all?
How about the fluid reservoir... did you open that up when you changed the pads? It's best to do so, so the fluid level can freely rise. You may have had to remove some fluid as well.
If you did nothing at all regarding the fluid, and the pedal is going to the floor, your brake master cylinder may have just taken a crap on you.
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that was my first thought too, the m.c. took a dump on me. but then i test drove the car to see if it would change anything and the brakes still work and hold pressure its just that the pedal goes down near the floor.Comment
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It could still be the master cylinder. It doesn't fail completely... not all the time... It's a plunger in a cylinder, almost like a shock. As it fails, it allows the fluid to pass by the plunger, where it shouldn't be. Mine has been slowly failing for years... In the heat, or after I do a lot of heavy braking, the pedal will sink. I really need to replace it! (waiting to afford the ROH and rear discs thuogh!)
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I think you might have inadvertly gotten air in the MC from somewhere. Which sux, because now you have to bleed the brakes. Start furthest from the MC. That would be the right rear. bleed that caliper, then move on to the left rear, to left front and so on. At least try that first and you might not have to shell out $$ for a new MC.Last edited by Fake Thug; 03-29-2008, 09:40 PM.Comment
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i rebled the entire system and no luck, bought a new mc no luck, still doing the same thing. has anybody ever encountered this problem? please help.Comment
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maybe the bolt on the mc/pedal is too far back? so it activates later?
The little attachement with the cotter pin and stuff spins, could try loosing it to furthest level
(on the pedal)
Meh, not feeling the honda game anymore.
MY CAR IS SOLD!!!Comment
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as far as i know thats only for adjusting the clutch.Originally posted by champagneaccordmaybe the bolt on the mc/pedal is too far back? so it activates later?
The little attachement with the cotter pin and stuff spins, could try loosing it to furthest level (on the pedal)
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even though i dont think that could be the prob because it was fine before, the brakes just sucked.Comment
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