DOT 5 Debacle - The Chemistry Behind It And Why It's Not Good For Your Classic Car's Brakes
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- Опубліковано 7 лют 2025
- In this video we are finally getting a handle on all of our
issues with C3 Corvette brakes. We also do a little maintenance
on the Coupe Deville's fuel system.
#C3
#c3corvette
#corvetteparts
#corvettelife
#DOT5
#DOT4
#DOT3
#DOT5BrakeFluid
#IdleStopSolenoid
#Quadrajet
#472500
#472
#CoupeDeville
I`v been running dot 5 for 25 years never had any problems .....
Your experience was mine as well. I had also been running it for many years. When I installed fresh brand new fluid after restoration, that is when the problems started.
have dot5 in my corvairs,,,,...not one problem...just dont mix with 3 or 4 ...
Nice information.
I ran the “old” DOT 5 for years but the calipers always leaked. Mainly because I didn’t have stainless steel sleeves and rebuilt with ‘lip seal’ pistons. I purchased rebuilt calipers and switched to O rings. Also used super DOT 4 Mercedes brake fluid and haven’t had any problems since. Sorry you’ve had these problems. Very good video.
Thanks! It did take a while to get it sorted but the brakes are 100% now.
Holly Sh.t!
I have used only DOT 3 and MB Break fluid in any of my cars over the years. Same goes for ATF, nothing but Dexron 3.
I am sorry to see of what you have to go through!
Lone Star Caliper/ Full Throttle Corvette is a good source. In my opinion, better than RA, but not as cheap
@@johntrishstrange7378 Great tip!
I wanted to say this to you. Dot 5 really requires viton o rings and seals. Use 5.1 fluid or dot 3. I run 5.1 on my classic Mercedes and same on my 2012 mustang. Change fluid out every 5 years. I am talking about the synthetic 5.1 anyway.
Great info! So the question then is (purely academic) whether or not anyone makes C3 Corvette brake calipers or caliper rebuild kits with Viton seals.
@@ImpalamansGarageI doubt it. From what I have read even the folks who run ex military vehicles run dot 3/4 or 5.1 with its much higher boiling point. I used to run dot 4 from motorcraft in the older days on my brembo caliper 2007 mustang to reduce a bit of brake fade as well as good ridge stainless dot lines. (I did a few track days with that car) Then dot 5.1 became 20$ per bottle and never looked back. One more thing to note, having owned a couple fairly modern Mercedes as well as two classic mercedes. Not sure what they make the brake hoses out of but they all degrade at 4-5 year mark. My 2012 mustang had the same brake hoses until this summer so 13 year about(it was built in 2011) and they seemed fine with no cracking or issues. Again I generally do a fluid flush every few years as a matter of course.
I looked up "plasticizer," and it's basically a solvent to soften things. I imagine seals would not seal if they got to soft.
Bis just means twice. I'm no chemist, so I have no idea what that's about, but my magnesium is "bisglycinate."
So it's twice glycinate?
I think these science boys have to much time on their hands and are way overpaid.
Have a good week.