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Visionary
Posts: 1436
| If folks haven't read it it is a pretty good run down on changing the fluid. Without distracting from his post I wanted to offer a couple suggestions that I have found to ease the task.
If you have an autozone or other car parts place near you, most sell speed bleeders. Basically a plastic container with a hose attached. You squeeze it so as to collapse it and then hook it to the bleed valve. When you open the bleeder it pulls the old fluid out. Saves a bunch of effort and they only cost a couple dollars.
Secondly, I always avoid letting the master cylinder and line bleed down to empty and add fluid as the master cylinder begins to drain. Basically you are adding while you are sucking it out the other end which reduces/eliminates the introduction of air to the line. Again saves a bunch of time and you avoid air in the system which can be a real pain to get out.
Thats about it except that I try to get any scrud (black particals that may be present) out of the master cylinder bowl before pulling it down. I can't say with certainty but always figured it wasn't a good idea to suck those particles through the slave where they may lodge or gum something up.
Anyhow if you haven't read his post, do so, it is something we should all know how to do. | |
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Visionary
Posts: 3006
San Antonio, TX | Teach,
I am wondering if you could vacuum the black particles out of the bottom of the master cylinder with the vacuum first, the one that you would connect to the bleeder line. Then add new dot4. Then bleed as you suggest.
I will get my clutch fluid changed at my next service.
Ride Safe | |
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Tourer
Posts: 482
Beer Collins, Colorado (there is no fort) | Teach, I believe your talking about a MityVac http://www.amazon.com/Mityvac-MV8000-Brake-Bleeding-Kit/dp/B00265M9... , speed bleeders http://www.speedbleeder.com/ eliminate the need for a MightyVac and I've had great success with them and will be outfitting the Vision with them in the future. I have also been using Motul 5.1 brake fluid (will work for clutch fluid too) for many years with great success-you will not find another fluid that comes close to its properties + it's sealed with nitrogen and really doesn't cost that much at $9 a pint-Brian
Motul 5.1 specs: Typical Dry Boiling Point: 522F / 272C
Typical Wet Boiling Point: 365F / 185C
DOT Brake Fluid Standards
Dry boiling point Wet boiling point
DOT 3 205 C (401 F) 140 C (284 F)
DOT 4 230 C (446 F) 155 C (311 F)
DOT 5 260 C (500 F) 180 C (356 F)
DOT 5.1 270 C (518 F) 190 C (374 F)
Edited by ByteN2it 2010-06-06 4:32 PM
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varyders clutch post