Brake pedal movement
#1
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Brake pedal movement
Hi
Lately on my 99 4runner it feels like the brake pedal continues to the floor if I put more pressure or pump the the pedal after stopping. I don't think it should do this and my guess is I have leak somewhere or a faulty master cylinder. I'm I correct or could there be other things I have overlooked?
Thanks
Lately on my 99 4runner it feels like the brake pedal continues to the floor if I put more pressure or pump the the pedal after stopping. I don't think it should do this and my guess is I have leak somewhere or a faulty master cylinder. I'm I correct or could there be other things I have overlooked?
Thanks
#2
if there is no leaking brake fluid around yer wheels then
it is a blown master cylinder seal.
in other words, you have brakes if you pump them a little bit,
but constant pressure eventually sends pedal to floor. that is
the master cylinder seal.
it is a blown master cylinder seal.
in other words, you have brakes if you pump them a little bit,
but constant pressure eventually sends pedal to floor. that is
the master cylinder seal.
#3
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Thanks. I will have to check but it sounds just like the master cylinder seal you described. How hard is that to replace?
I will have them check it next week when I get an oil change as I don't have a way to bleed the brakes myself (or trust myself to do it right on a safty issue like this).
I will have them check it next week when I get an oil change as I don't have a way to bleed the brakes myself (or trust myself to do it right on a safty issue like this).
#4
while you are at it go ahead and flush the old brake fluid out. it gets spent after (on average) 2 years.. i would bet less if you use the piss out of them and or if you see a lot of water..
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I actually got the brake fluid flushed last summer (I wonder if they screwed up the bleeding then). But good idea.
Last edited by Roadtripr; 05-20-2008 at 11:11 AM.
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