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Date: Fri, 29 Jun 2001 07:34:05 -0400
From: cs <nopsamdnet.att.net>
Subject: Re: air in Clutch hydraulic system


Thanks for the suggestions, and since I actually had a new 16" inner tube sitting on the shelf, I tried that suggestion first. I immediately saw a problem, though, when I cut the tube, and talcum powder (or some such) fell out of the tube, but I removed the excess the best I could, and tried pumping it up, and it exploded. Tommorrow when I get another hour or two, I'm going to try the gallon-sprayer method. But I am starting to get the idea that there must be a blockage of some sort in the clutch system, as it just seems it is taking an unrealistic amount of pressure, e,g. the tube exploding. As before you, Grunff, made your suggestion, I had tried placing a plastic barrier over the edge of the resovoir lip, and forcing air through it via mouth, and blowing as hard as I could muster, certainly several times more than 6-8 PSI, and could not get the first bubble of fluid out of the bleed nipple. The fluid that I had gotten to come through via vacuum on the bleed nipple was relatively dirty. I'm getting the idea that there is a bit more trash in the line, which is causing all my trouble. I have had that car for thirteen years, and while I have never completely dumped out the hydraulic fluid, I have used turkey basters to draw off the fluid from the bottom up of the resovoir, and then topped off with clean fluid probably as often as every other of the ~2k oil changes. On 27 Jun 2001 08:59:10 -0700, yaofengchennopsam.com (Yaofeng Chen) wrote: >"Grunff" <runffnopsamo.com> wrote in message news:<993627291.20754.0.nnrp-12.c1ed028enopsam.demon.co.uk>... >> Therein lies the confusion. The pump is only used to pressurise the brakes. >> The clutch works in exactly the same way as it did on pre-abs cars. A >> low-pressure tube takes fluid from the brake fluid reservoir to the clutch >> master. This simply acts as a source of fluid, and is not under pressure. A >> high pressure line runs from the master to the slave. And that's it. >> >> As for bleeding, try this. Go to a garden supply shop, and get yourself a >> one-gallon sprayer. A container with a built in hand-pump for pressurising, >> and a spray head (<$20). Remove the spray head, and somehow (depending on >> what you have available to you) attach an old brake fluid reservoir cap. >> Make sure you have a good rubber seal between the cap and reservoir. Use >> this to supply pressurised brake fluid to the reservoir. Don't pump it up >> too much, if you have a pressure guage, attach it to the tank, and don't go >> above 7-8 psi. >> >> I guarantee this will be the best tool you've ever made. It'll bleed 900 and >> 9000 brakes and clutches in 1/4 the time it would normally take. >> >> Good luck. > > >I am going to go one up on you. Have you heard of the bicycle tube >method? It probably costs only $2.99. > >Use a 16" bicycle inner tube. Cut it. Clamp one end using a giant >binder clip after folding one open end several folds. Slip the other >end onto the brake fluid reservoir opening. Tighten it just enough >with a coolant hose strap on the opening. Get a bicycle pump. Now >you're in business. > >Loosen the slave cylinder nipple. Fill the reservoir with fresh brake >fluid (before you slip on the bicycle tube, of course). Start pumping >gradually. When air bubbles stop coming out but only clear brake >fluid, tighten the slave nipple. Done.

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