sport track ford 2001 brake easing to floor

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ed - 05 Aug 2006 21:01 GMT

I have 90K miles on this Sport Trak. When I step on the brake I get what
feels like a good pedal until a few seconds then it eases to the floor about
3/4 of the way. (yes I wrote of this a while back) The problem was not
consistent but now after flushing all the fluid it seems its consistent now.
I have new fluid all the way through the system and while I have it all
apart , I am changing the front pads. Its disk on the front only. I see no
leaks and suspect either the master cylinder or the booster but this is one
area I cannot distinguish between the two for this problem. Any help is
appreciated.

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Kevin - 05 Aug 2006 21:37 GMT

>I have 90K miles on this Sport Trak. When I step on the brake I get what
>feels like a good pedal until a few seconds then it eases to the floor
[quoted text clipped - 5 lines]
>one area I cannot distinguish between the two for this problem. Any help
>is appreciated.

That would be the master cylinder causing the pedal to go down as brake
fluid by-passes some of the internal seals. Replace it.

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Disclaimer:
Due to the nature of solving problems over the internet being mostly
guesswork,
please do not consider the above recommendations as the only possible
solutions.

--
Kevin Mouton
Automotive Technology Instructor
"If women don't find you handsome, they should at least find you handy"
Red Green

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ed - 05 Aug 2006 23:01 GMT

on order. I'll report back tomorrow when I change it.
That may explain why the fluid was brackish?

>>I have 90K miles on this Sport Trak. When I step on the brake I get what
>>feels like a good pedal until a few seconds then it eases to the floor
[quoted text clipped - 8 lines]
> That would be the master cylinder causing the pedal to go down as brake
> fluid by-passes some of the internal seals. Replace it.

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ed - 07 Aug 2006 01:14 GMT

Replaced the booster, and the master cylinder, adjusted back shoes and
replaced front pads.
About 1 out of 10 stops give me an extra requirement to push a little harder
on the brake. At that time the antilock weakly kicks in some but I do manage
to stop. I had some trouble bleeding the system wiht a sluggish bleeder
scrw which I now have to use an easy out on I guess, but I think I am just
down to a good bleed job and I should be ok.

> on order. I'll report back tomorrow when I change it.
> That may explain why the fluid was brackish?
[quoted text clipped - 11 lines]
>> That would be the master cylinder causing the pedal to go down as brake
>> fluid by-passes some of the internal seals. Replace it.

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