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Originally Posted by ltljon
Occasionally the pedal will go to the floor but will pump up a little (like what I remember a bad master cylinder doing) but may not do it again for days. I can't make it bleed down normally so I'm thinking that's not it. I get no lights coming on the dash so the dealership says theres no use to hook their machine to it. Fluids good, no leaks, pads/shoes are good & 99% of the time they work excellant. It's that 1% when you think you're gonna hit something that bothers me!
It has ABS & I hate to go replacing parts without knowing whats going bad.
Any of this sound familiar??
Thanks
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If you can go for days with no symptoms, then have the pedal go to the floor, you could have boiling brake fluid. A sticking parking brake on one wheel can do this. Possibly a bad wheel speed senor could also do this. Worst of all, you can go from having 100% brakes to no brakes in a matter of minutes! And anti lock brakes won't help you with boiled brake fluid.
Any time you have the brake pedal go to the floor, it is really dangerous. You should get it to a repair shop ASAP. If it were me, I would get it towed.
If you can't afford to have it towed, drive it to the repair shop on a cold day or night when there is little traffic. Stop periodically, and go to each wheel, and see if one wheel is getting hot. If you find one wheel getting hotter than the others, let it cool off!