02-27-2019, 09:17 PM | #21 |
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Join Date: Oct 2015
Location: Bonita, CA
Posts: 1,374
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Re: Brake Fluid
Teflon tape on the originals does the same thing. Cost = about 2 cents each. It's not rocket science.
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02-28-2019, 06:47 PM | #22 |
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Join Date: May 2010
Location: Solihull, England.
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Re: Brake Fluid
You shouldn't need teflon tape on any brake fittings. If you do you have a problem. Do OE manufacturers use teflon tape? No of course they don't.
Mart. |
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02-28-2019, 11:59 PM | #23 |
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Join Date: May 2017
Location: Arkansas
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Re: Brake Fluid
He was just talking about so it won't suck air around the threads while bleeding with a tube.
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03-01-2019, 03:03 AM | #24 |
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Join Date: May 2010
Location: Solihull, England.
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Re: Brake Fluid
Ok good point. I put some red rubber grease around mine when using a vacuum bleeder. I think that helped.
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03-02-2019, 08:57 PM | #25 |
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Join Date: May 2010
Location: Lexington, NC
Posts: 860
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Re: Brake Fluid
Just put DOT 5 in a complete rebuild. Beware of brake light switch failure if you use an original switch. I would recommend using a mechanical switch.
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03-02-2019, 11:02 PM | #26 |
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Location: Minnesota, Florida Keys
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Re: Brake Fluid
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03-03-2019, 09:09 AM | #27 |
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Join Date: Feb 2011
Posts: 794
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Re: Brake Fluid
Please explain to those who would like to know, why DOT 5 causes the failure of brake light switches.
Every failed switch (using DOT 3) that I have cut apart to inspect shows that failure was due to arcing at the contact points causing a non conductive build up of material, thus , no continuity. The contact points are not immersed in any brake fluid. |
03-03-2019, 10:09 AM | #28 |
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Location: Lexington, NC
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Re: Brake Fluid
I would much rather have a mechanical switch and never change fluid or have the expense of new wheel and master cylinders. I personally have never had a switch failure, but only read what is stated here on the Barn. With that said, I can change a switch faster than anyone can change fluid or replace all of their brake components. My model A, Mustangs and others have had the same DOT 5 fluid in them for years with no problems. Plenty of moisture and corrosion problems with other cars using DOT 3
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03-03-2019, 10:28 AM | #29 |
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Location: East Hartford, Ct
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Re: Brake Fluid
Totally agree with the use of DOT 5 and a mechanical brake light switch.
The mechanical switch, not because of possible failure of a pressure switch but because a mechanical switch will allow the brake lights to activate as soon as the pedal is minutely moved and it does not depend on brake line pressure to activate. How many would like to see their brake lights come on sooner than later??
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03-03-2019, 09:56 PM | #30 |
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Join Date: May 2010
Location: Wa.
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Re: Brake Fluid
"How many would like to see their brake lights come on sooner than later??"
I have a switch to turn mine off when running from rev'noooers. |
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