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  #16 (permalink)  
Old 02-15-2010, 08:19 AM
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As I said I had both drums of and they are adjusted well. I had my friend pushing the pedal while I had one drum off. The pedal went all the way to the floor and the rear wheel break cylinder was pretty much not moving at all. After letting go and push again it moved as it should have with the first push.
Putting all the pieces together sounds like the master cylinder to me.

Thanks guys!!!

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  #17 (permalink)  
Old 02-15-2010, 08:39 AM
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The only thing that you could try that you haven't is to bench bleed the master. If it ever went dry and fluid was added, just bleeding at the slaves might not do.
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Old 02-15-2010, 09:14 AM
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I think it is the master. If it was air it would not get better on the second or 3rd push. Air always compresses. Your issue sounds like either a bad master or an adjustment issue. You said you checked the adjustment so that really only leaves the master. The real tip off is the slow sink to the floor.
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Old 03-13-2010, 09:31 PM
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Hey guys.
I finally got to replace that stupid master brake cylinder on that civic.
Guess what it's just like before
Here the procedure:
Took the old cylinder out - not that big of a task.
Made sure the new cylinder will fit-- it did.
Went to my bench vise and bench bled the new master cylinder as explained in the lil manual that came with the cylinder. It matched with what I found on the internet as well as in the Honda repair manual.
I tell you I bled the living sh.t out of that thing, took for ever!
But there was pretty much no air left in the tubes.
However. I put it all back together, broke my fingers a couple times and dropped the mounting nuts some times but I got it all back together.
Now I went around and conventionally bled each break. There was a lot of air coming out. But not a single bubble when I was done.
Now what? I can push the pedal still all the way down. When I do so it does apply break power. If I push is a couple times it does not go down to the floor anymore.
I dont know what to do!!!
Any ideas would be greatly appreciated!

Tomi
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Old 03-13-2010, 09:38 PM
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Quote:
Originally Posted by Furytom
I can push the pedal still all the way down. When I do so it does apply break power. If I push is a couple times it does not go down to the floor anymore.
Take a look at the pushrod that pushes on the booster to see that it is not depressing it at all while at rest. If the p-rod is adjusted too long- or the pedal is not fully returning to a fully out position (weak or missing return spring), this might be the problem.
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