trick to bleeding brakes?
I have recently flushed my entire brake system and still have two distinct pedal feels -
#1. the first time I mash the brake pedal and #2. every time after that. #2 is good and firm, but #1 has about an inch of pedal travel more than #1 before it becomes firm. If I drive for about 3-5 minutes, I'm back to #1 then #2. Is there some trick to bleeding out the master brake cylinder? I don't see any bleeders there. |
How did u bleed them..did u begin w the one furthest away from the master cylinder?
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I dunno how you're bleeding them, but I always flush the system whenever I replace the pads. I first use a turkey baster, (my wife hates me because I use hers) and pull as much fluid as I can out of the reservoir. Then, when I compress the caliper pistons the reservoir fills back up. I suck that $hit out too. Then when I'm ready to start bleeding, I fill up the reservoir. I've never worried about which wheel to do first thru last, but I do always start at the rears. The first wheel that I bleed, I bleed until I have virtually emptied the reservoir again. This way I know I flushed the line to that wheel. I proceed to do the remaining wheels until new fluid comes out.
For me, and it's kinda hard/painstaking to do, is to keep cracking the bleeders only a very little at a time. The idea being to have the bleeder closed before the brake pedal hits the floor. I can't remember a time that I've had to re-bleed my brakes. I've also heard that maybe there's another bleeder somewhere? Or is that the clutch? Or is that a different car? :chug: |
There's a 2nd bleeder for the clutch. It sits up on the passenger fender by the power steering reservoir.
I highly recommend the speed bleeders that SPL sells. I used them on my new slave cylinder and it makes bleeding the clutch really easy. It would make bleeding the brakes a snap. |
Originally Posted by CanyonCarver
I've also heard that maybe there's another bleeder somewhere? Or is that the clutch? Or is that a different car? :chug:
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You mean near the ABS/brake distribution block?
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I've been outta pocket a bit lately...thanks for the responses.
Up to one of the later models (<95?) there was a bleader on the ABS manifold that would aid in the process. It seems to be absent on my '96. I don't see any additional bleaders on the master. The whole process started when I replaced my pads with ceramics (which I don't recommend for dusting reasons, but they do grab like Vise Grips with verrrry little fade...) and I flushed out my system with about two of three quarts of brake fluid. Yes, I went by the perscribed wheel pattern. The dual personality still exists, hence the question. Let be ask the point directly - Does anyone else have two different brake pedal feels, or do you have a firm brake pedal all the time? I don't have the classic "sink to the floor" feel of a warn master cylinder. What does a Z32 feel like when it goes? The other option that I am pursuing is a possible vacuum leak on the line to the vacuum assist. Thoughts? |
Did you uuuhhhhh, turn your rotors when you put the new pads in?
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Originally Posted by CanyonCarver
Did you uuuhhhhh, turn your rotors when you put the new pads in?
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The only thing i can think of (b/c we had a similar problem on our conversion van) would be a worn out brake line. When they get old, the may tend to expand under pressure and you'll loose brake power to that wheel.
Not to ask a stupid question, but is there anything in the way of your brake pedal? My moms subi has a problem where the floor mats slide up under the pedals, some time they go all the way down. Sometimes they don't. |
Originally Posted by WhtFairLadyZ
The only thing i can think of (b/c we had a similar problem on our conversion van) would be a worn out brake line. When they get old, the may tend to expand under pressure and you'll loose brake power to that wheel.
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It could also be normal. One thing to consider is that our cars are older. Things start to wear. There might be enough wear/looseness around the seals that air can leak into the brake system after sitting for a while, but brake fluid won't leak out. The first pump pushes the air back out.
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