e-brake light came on - where is my brake fluid going?
I last topped my car off with motul rbf600 right before leaving for expo 3.
I haven't changed the fluid yet. And since that time have attended a season of autox's as well as misc lapping day.
Recently my e-brake light started coming on under acceleration. I didn't pay it much attention...
Checked my fluid recently, and it's at a pretty low point.
Where did it go? I have no leaks that I am aware of, and have checked all 4 corners. Is this normal?
I haven't changed the fluid yet. And since that time have attended a season of autox's as well as misc lapping day.
Recently my e-brake light started coming on under acceleration. I didn't pay it much attention...
Checked my fluid recently, and it's at a pretty low point.
Where did it go? I have no leaks that I am aware of, and have checked all 4 corners. Is this normal?
as pads wear down..fluid fills the the piston as it travels farther in to make up for the thinner pad....check your pads..if they look ok...just add a bit a fluid...just remember when you go to replae the pads, and you have to push the piston back in for the bigger pads...you are gonna have an overflow if you dont take some out!
It's normal for your fluid to decrease in level (in the reservoir) over time, because as the pads wear, the pistons get pushed further out in the calipers. But you've been around here for a long time and probably knew that already, no? Other than that, I have no idea...
pads wear, rotors wear, caliper pistons move and stay closer to the rotor and fluid has to fill the void and it comes from the MC reservior.
Also, as these cars start getting older the MC will start to leak into the brake booster and eat up the diaphram over time.
Also, as these cars start getting older the MC will start to leak into the brake booster and eat up the diaphram over time.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by SMSP »</TD></TR><TR><TD CLASS="quote">Man when I hit reply for the first time it was only Ken's post.</TD></TR></TABLE>
Yeah, three almost identical replies within three minutes of each other. Great minds thinking alike!
Yeah, three almost identical replies within three minutes of each other. Great minds thinking alike!

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I was going to say that as the piston moves closer to the brake rotor it creates a void in the lines which needs to be filled. That is where the fluid goes. Of course now it really doesn't matter becuase you have like 5 answers that are exactly the same. Just remember to not add too much fluid before changing your pads otherwise you will over flow the resivoir.
damn...i was thinking the same thing about 3 exact posts....and now the 4th.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mr. clockwork »</TD></TR><TR><TD CLASS="quote">I was going to say that as the piston moves closer to the brake rotor it creates a void in the lines which needs to be filled. That is where the fluid goes. Of course now it really doesn't matter becuase you have like 5 answers that are exactly the same. Just remember to not add too much fluid before changing your pads otherwise you will over flow the resivoir.</TD></TR></TABLE>
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mr. clockwork »</TD></TR><TR><TD CLASS="quote">I was going to say that as the piston moves closer to the brake rotor it creates a void in the lines which needs to be filled. That is where the fluid goes. Of course now it really doesn't matter becuase you have like 5 answers that are exactly the same. Just remember to not add too much fluid before changing your pads otherwise you will over flow the resivoir.</TD></TR></TABLE>
check the thickness of your pads before just refilling the reservoir!
according to stoptech, oem's design the brake warning light in conjunction with the reservoir fluid capacity such that as the pad material disappears the light comes on just as the pads need to replaced. of course, this only works if you only add fluid when you put in new pads, but it's a nice theory.
according to stoptech, oem's design the brake warning light in conjunction with the reservoir fluid capacity such that as the pad material disappears the light comes on just as the pads need to replaced. of course, this only works if you only add fluid when you put in new pads, but it's a nice theory.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ITR0863 »</TD></TR><TR><TD CLASS="quote">Mine flickers when the weather is really cold.</TD></TR></TABLE>
This is probably the wacky Integra brake resivoir cap problem.. my old ITR did it til i got annoyed and replaced the cap..
This is probably the wacky Integra brake resivoir cap problem.. my old ITR did it til i got annoyed and replaced the cap..
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