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Re: Anyone convert to SILICONE break fluid ?
[Re: CMcAllister]
#2909465
04/12/21 01:13 PM
04/12/21 01:13 PM
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Joined: Jan 2003
Posts: 26,470 Rio Linda, CA
John_Kunkel
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 26,470
Rio Linda, CA
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The advantage of the silicon-based DOT5 fluid is that it absorbs no moisture whatsoever, unlike the glycol-based fluids. This is an advantage to older master cylinders that aren't sealed to the atmosphere
Because it is also chemically inert it won't react with other chemicals in your braking system, nor will it even react to your car's paint which the glycol-based fluids will.
The INTERNET, the MISinformation superhighway
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Re: Anyone convert to SILICONE break fluid ?
[Re: larrymopar360]
#2909566
04/12/21 07:00 PM
04/12/21 07:00 PM
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Joined: Jul 2008
Posts: 30,632 Florida STAYcation
IcorkSOAK
OP
Financed his waterbed
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OP
Financed his waterbed
Joined: Jul 2008
Posts: 30,632
Florida STAYcation
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LarryLOVEit... you must have been VERY TIRED typing that ALL OUT ! The humidity in Florida is a DOT3 fluid killer ... and THAT is a phenolic piston SWELLER No PhEnOlIc PiStOnS FoR Me. SteEl. Well larry.. I’d LOVE IT ... if they made Caravan calipers with steel pistons
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Re: Anyone convert to SILICONE break fluid ?
[Re: IcorkSOAK]
#2909847
04/13/21 05:04 PM
04/13/21 05:04 PM
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Joined: Jan 2011
Posts: 16,094 Central Florida
larrymopar360
Stud Muffin
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Stud Muffin
Joined: Jan 2011
Posts: 16,094
Central Florida
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LarryLOVEit... you must have been VERY TIRED typing that ALL OUT ! The humidity in Florida is a DOT3 fluid killer ... and THAT is a phenolic piston SWELLER No PhEnOlIc PiStOnS FoR Me. SteEl. Well larry.. I’d LOVE IT ... if they made Caravan calipers with steel pistons I don't have a carrotvan. Steel for my Dippy po-po.
Facts are stubborn things.
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Re: Anyone convert to SILICONE break fluid ?
[Re: Mr T2U]
#2911965
04/19/21 02:49 PM
04/19/21 02:49 PM
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Joined: Mar 2003
Posts: 3,358 Berwyn, IL
challenger70
master
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master
Joined: Mar 2003
Posts: 3,358
Berwyn, IL
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JK you are CORRECT. the 2 different fluids won't cause each other to gel. the 2 different fluids won't mix with each other also. they also have a slightly different compression rate so mixing A LOT of the 2 fluids together can give you troubles.
i have replaced regular brake fluid with silicone on a LOT of old vintage cars without flushing anything. i just remove as much fluid from the master as i can. them pour the DOT 5 in. now bleed the brakes until you see the DOT 5 come out of the bleeders.the DOT 5 will push most of the old fluid out of the system without giving you any troubles. after doing this to all 4 wheels i start over and bleed another cup or more of fluid from each wheel just to make sure the old stuff is out. i also like to tap on the brake lines to get any small air bubbles out that like to hide in sharp bends of the brake lines.
keep in mind DOT 5 brake fluid RETAINS AIR just like the old fluid does water. this is why you can't use it on ABS cars. i also like to heat up the new DOT 5 in a pan of hot water to force any air mixed into the fluid when it sits on the shelf or shaken up during shipping.some installers don't do this and can never gets the brakes bled properly. this is why DOT 5 brake fluid gets such a bad rap.
DO A SEARCH on DOT 5 brake fluid. this subject popped up a lot in the past so there are multiple threads with the exact same info already here. I have done it this way as well, no problems as of 3 years later.
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