Benzine
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| posted on 11/9/04 at 02:00 PM |
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Brake Help
I have installed my brakelines and MC. I filled my resevoir with fliud and tried to start getting it around the system, bleed brakes etc. Nothing
seems to happen when i press down the pedal. When i took off my rear callipers some fluid was appearing to reach there when i unscrewed the brake
cable. On the front callipers i unscrewed the bleed nosle a tad and nothing seemed to happen. Then i went back to the master cylinder and unscrewed
the first line (to the rear) and pressed the brake pedal, no fluid at all. Is there an air bubble in there? If so how can i fix this problem?
Thanks for any help
[Edited on 11/9/04 by Benzine]
The mental gymnastics a landlord will employ to justify immoral actions is clinically fascinating. Just because something is legal doesn't make
it moral.
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mackie
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| posted on 11/9/04 at 02:26 PM |
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So you are saying that no fluid comes out or the mcyl holes when you apply the pedal? Is it a new one? Could it still have blanking plugs in place? A
blockage in the reservoir?
Sounds a bit odd to me :/
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Benzine
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| posted on 11/9/04 at 02:27 PM |
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No blanking plugs are in place, and its brand new from MK
The mental gymnastics a landlord will employ to justify immoral actions is clinically fascinating. Just because something is legal doesn't make
it moral.
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Dick Axtell
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| posted on 11/9/04 at 03:00 PM |
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No brake fluid?
Hi C6H6,
If you have correctly connected up mcyl to the brakes, then repeated pedal/mcyl applications will eventually deliver fluid, so long as you keep the
mcyl reservoir topped up (to prevent air ingress thru reservoir, into system).
If there is still a problem, you may have a kink in the brake pipe, which prevents fluid flow. Check this out.
Moreover, if you have disc brakes all round, try bleeding the fronts first (longest front pipe run 1st), then bleed the rears (again starting with the
longest rear pipeline).
Do you have any sort of valve between mcyl & rears?
What mcyl arrangement - tandem or binocular?
[Edited on 11/9/04 by Dick Axtell]
Work-in-Progress: Changed to Zetec + T9. Still trying!!
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Benzine
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| posted on 11/9/04 at 03:21 PM |
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quote:
Originally posted by Dick Axtell
What mcyl arrangement - tandem or binocular?
I would answer that but to me it says "XZydud or asdhbucin?"  Between the MC and the rear calipers i have a brake light connector
t-piece.
The mental gymnastics a landlord will employ to justify immoral actions is clinically fascinating. Just because something is legal doesn't make
it moral.
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Peteff
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| posted on 11/9/04 at 04:14 PM |
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You are locking the bleed nipple before you release the pedal aren't you? Or use a bleed tube with the end submerged in a jar of brake fluid.
When you remove a pipe from the m/c can you feel any pressure if you put your finger over the hole and press the pedal?
yours, Pete
I went into the RSPCA office the other day. It was so small you could hardly swing a cat in there.
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Benzine
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| posted on 11/9/04 at 04:16 PM |
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quote:
Originally posted by Peteff
Or use a bleed tube with the end submerged in a jar of brake fluid.
Yes i have been doing this. Haven't tried to put my finger over the MC yet to feel for pressure
The mental gymnastics a landlord will employ to justify immoral actions is clinically fascinating. Just because something is legal doesn't make
it moral.
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Rob Lane
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| posted on 11/9/04 at 05:34 PM |
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When it was new and unconnected, the pushrod was not pushed in or when first installed and empty it wasn't pushed in before any fluid was in?
The M/C when new is empty and operating it can cause pistons to bottom and not return due to seals being dry. The return spring on occasions
can't push piston back.
Try tapping the M/C gently with a small mallet see if it clicks back.
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Benzine
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| posted on 11/9/04 at 06:56 PM |
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Thanks, i'll give that a try
The mental gymnastics a landlord will employ to justify immoral actions is clinically fascinating. Just because something is legal doesn't make
it moral.
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JoelP
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| posted on 11/9/04 at 08:10 PM |
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not entirely related, but i would strongly recommend getting an eazybleed kit. it uses tyre pressure to push fluid thru from the resevoir. simply walk
round undoing one nipple at a time, and wait for the flow to run clear. twice roind to be sure.
also, make sure your brake switch points down, to avoid any potential airlock.
ps, with the easybleed kit you could see if there was a block, cos you can see the fluid leave the container.
[Edited on 11/9/04 by JoelP]
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Benzine
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| posted on 11/9/04 at 09:25 PM |
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Cool, where may one be able to purchase said easybleed?
The mental gymnastics a landlord will employ to justify immoral actions is clinically fascinating. Just because something is legal doesn't make
it moral.
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Mark Allanson
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| posted on 11/9/04 at 09:33 PM |
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Just about anywhere that sells bits for cars!
Try Alfuds
If you can keep you head, whilst all others around you are losing theirs, you are not fully aware of the situation
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JoelP
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| posted on 11/9/04 at 09:37 PM |
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yup, i got mine from halfrauds, about £12 or something... blinder. worth it even for one use.
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Dick Axtell
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| posted on 12/9/04 at 12:38 PM |
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Tandem vs Bino Mcyl
quote:
Originally posted by Benzine
"What mcyl arrangement - tandem or binocular?" (quote - Dick Axtell)
I would answer that but to me it says "XZydud or asdhbucin?"
FYI -
Tandem Mcyl :
Where there is a single mcyl having 2 pressure chambers, & 2 separate outlets supplying 2 individual circuits;
"Binocular" mcyls:
2 single press outlet mcyls are mounted side-by-side, i.e. binocular fashion, and are coupled together with a balance bar, allowing for a single pedal
input.
(Common sense really - not rocket science).
Work-in-Progress: Changed to Zetec + T9. Still trying!!
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