Brake Question

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matt32

I make the smoked meats
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Apr 17, 2009
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So I know everyone has been wondering what I would do wrong next. So here it is I think. Just changed the front pads on the BFB and now have incredibly sketchy brakes. It feel similar to how it felt when I had a master cylinder go out and I had that repaired. I don't feel like that is it but.... My question is if all I am changing is the pads do I still need to bleed the system? I ask this because I never have on any other vehicle I've owned Toyota or otherwise.
 
^^^^

I'm hoping that's what it is but I forgot to add that the pedal is going to the floor. i don't know if that makes any difference or not because like i said this doesn't feel anything like any other car I've changed pads on.
 
No but I'm also not seeing any leaks anywhere. I figured there would be signs of the lines failing if that was it.
 
Last year, at GSMTR, on Hudson's 80 that I towed up there for him... he kept asking for brake fluid... he poured two bottles into the reservoir over the course of a single day. I kept saying... "it's not leaking...." finally got fed up and started truly inspecting the problem.... found a soft line looking like it was a snake that had eaten a herd of elk! No lie! the soft line was the size of a three coke cans long! It never once dripped.
Oddly enough, Trollhole had the correct line to "pay it forward" for Hudson!
 
That thang ain't got but 4 soft lines. one at each of the front calipers with banjo fittings. And one on each axle to frame.
Love me a 3FE 80!
 
when you replaced the pads...
Did you have to push the pistons on the caliper back to get the new ones to fit?
If so did you remove the reservoir cap?
If the answer is yes then you most likely have a swelling line (mine was close to what Eric described before I replaced it) no leaks.
If the answer is no, you may have blown your master, or it still could be a swelling line.

I have a power bleeder of you want to borrow it.
simply fill the manual pump up and attach it to the reservoir.. pump it up and bleed each corner.
 
I did have to push the pistons back and I did forget to take the cap off. It did stop marginally better this morning driving to work but the pedal still goes to the floor similar to how it was when my master cylinder let go except that it actually still stops.

Clank I will take you up on the offer of the power bleeder and hope that I just managed to push air into the lines and not blow the master cylinder.
 
Dude, if you pushed all four pistons in for new pads.... and didn't have to remove fluid from the reservoir with a turkey baster.... that fluid is SOMEWHERE... I bet you have a fat softline someplace now...
 
Dude, if you pushed all four pistons in for new pads.... and didn't have to remove fluid from the reservoir with a turkey baster.... that fluid is SOMEWHERE... I bet you have a fat softline someplace now...

unless he never topped it off as it went down. Some folks use the fluid level as an indicator of brake pad life.

I have even read speculation that the brake fluid light comes on when the fluid drops to the point where the pads need to be replaced.
 
unless he never topped it off as it went down. Some folks use the fluid level as an indicator of brake pad life.

I have even read speculation that the brake fluid light comes on when the fluid drops to the point where the pads need to be replaced.

I know people claim that... but I personally don't know of anyone who doesn't see the level and say "self, you need new pads..." most just top off the reservoir and let'er eat for a few more thousand miles.... like me, this past week! LOL.
 
Hey now I detect the sarcasm in that post.


I am shining example of meticulous maintenance. Now I'll agree it may possibly be the way not to things but I am an example none the less.
 
So I checked the brake lines before I left work and they looked okay. As I was driving home the brakes progressively got better so it would appear that Matt B's diagnosis was correct. The pads weren't bedded. I've just never experienced that and it scared me a little.

Clarence I don't think I'll need the power bleeder at least not yet. This has made me realize I need to add soft lines to my list of things that need replacing so I may need it in the future.

Thanks for all the help on this current issue of As the BFB Turns.
 
Cool...

The lines may still be swelling some times the only way to tell is have some one stepping on the breaks while you are looking at them.
 

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