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#1
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Brake Pedal Fade
If I press on the brake pedal of my 2002 CR-V with moderate but steady
pressure, I can get the pedal to go all the way to the floor. I replaced the master cylinder and the pedal still acts the same. I am curious how many other owners can get their brake pedal to fade to the floor if they try. Try it and let me know. |
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#2
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You have a very bad and risky situation.
Either your new master cylinder is defective, or you have a leak somewhere. If you have a leak, there will be a puddle of brake fluid under the leak. New parts, even OEM are sometimes dead out of the box. When you push hard, the little bushing in the peddle flares out and doesn't let fluid sneak past. But a slight steady preasure will show if that cup shaped bushing is bad. I had a 1968 VW bug and I rebuilt a master cylinder. I was on a budget, and was able to get the car cheap because of the defective brakes. My dad told me it would be simple to fix, but insisted that teh car be towed and not driven to our home. The old bushing was only about half the length of the new one, and was worn smaller then the tube diameter. Terry |
#3
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"DavidB" > wrote in message ... > If I press on the brake pedal of my 2002 CR-V with moderate but steady > pressure, I can get the pedal to go all the way to the floor. I > replaced the master cylinder and the pedal still acts the same. I am > curious how many other owners can get their brake pedal to fade to the > floor if they try. Try it and let me know. This is not normal. You either have a leak or a defective master cylinder. Where did you get the replacement? There are many shoddy rebuilt parts on the market. John |
#4
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DavidB wrote:
> If I press on the brake pedal of my 2002 CR-V with moderate but steady > pressure, I can get the pedal to go all the way to the floor. I > replaced the master cylinder and the pedal still acts the same. I am > curious how many other owners can get their brake pedal to fade to the > floor if they try. Try it and let me know. you have a serious problem. while it's possible for the new master cylinder to be defective, it's very unusual. much more likely, you have air in the system, especially as you've had the problem both before & after a change of master. bleed the system properly. using the correct wheel sequence, have an assistant pump the pedal hard 3 times, then after the 3rd stroke, with full pressure on the brake pedal, you open the bleed nipple and have your assistant press the pedal all the way to the floor. repeat until all wheels bleed clear unfrothy fluid. pay close attention to the reservoir level to make sure it doesn't drop too far. don't scrimp on the brake fluid - make sure you use a decent quantity to ensure the whole system is fully flushed. |
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