Re: How much brake fluid to refill system?
[Re: 6PAX]
#121246
09/15/08 05:48 PM
09/15/08 05:48 PM
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Anonymous
Unregistered
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Anonymous
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The obvious is what make/model? 1 pot or 2 pot master cylinder? Power brakes? Disk brakes or all drums?
I seem to recall when I did my 65 darts brake flush it took about one larger bottle. (not the costco size) Maybe a little more/less. I seem to recall buying 2 and using 1 or maybe it was 3 and 2. but I could be totally wrong.
If your going dot 5 you don't have to worry about it absorbing water after you open the bottle so buy more not less.
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Re: How much brake fluid to refill system?
[Re: 6PAX]
#1804098
04/15/15 12:45 PM
04/15/15 12:45 PM
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Joined: Sep 2007
Posts: 14,889 up yours
Supercuda
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About to go away
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Posts: 14,889
up yours
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Sealed bottles that are plastic aren't sealed. Moisture migrates thru the plastic contaminating the fluid. Just get enough to do the job and i the future if you need some buy fresh.
They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.
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Re: How much brake fluid to refill system?
[Re: BDW]
#1804416
04/15/15 08:45 PM
04/15/15 08:45 PM
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Joined: Jan 2007
Posts: 7,664 IN
ahy
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master
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Sounds like you are using silicone (purple) fluid which is the most common DOT5. Simply bleed until it runs purple seems to work very well. Good idea to have extra. FWIW NAPA offers DOT 5/Silicone. Don't know if it is a better deal. http://www.napaonline.com/Catalog/Catalo...5032_0424509960
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Re: How much brake fluid to refill system?
[Re: ahy]
#1805001
04/16/15 03:22 PM
04/16/15 03:22 PM
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Joined: Jan 2003
Posts: 16,376
dogdays
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I Live Here
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Ah, yes, silicone brake fluid. Not quite as appealing as one of the major uses of silicone, certainly not as interesting.
Rick Ehrenberg would have most of the answers, being a long time silicone brake fluid user.
Now to the install: The DOT brake fluids are supposed to be compatible, so you wouldn't need to flush for that. However, DOT3 is hygroscopic, picking up water from the air. It is possible that little drops of DOT3 could carry enough water to make problems either by corrosion or by the water vaporizing from the heat of many brake applications. I had this happen to me in the Rockies, but that was with really old DOT3.
One problem that used to occur is getting air entrained in the silicone fluid. So not shaking the bottle, letting it sit for days after shipping, etc used to be standard. It'd be cool if there was an anti-aeration additive, but I haven't heard of one.
R.
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