13 Nov can i use dot 4 instead of mineral oil
Your link has been automatically embedded. Copyright © 2020, epicbleedsolutions.com. Why some people use one or the other... well, DOT fluid has (when new) a higher boiling point, but is hygroscopic, i.e. When brake fluid absorbs enough heat it boils and vaporises. I've owned a few bikes with hydraulic clutches, and they all just use brake fluid. Call them if unsure what is in it! Mineral Oil - and the Winner is.. Shares tips and advice on the dark-art of brake-bleeding. For a better experience, please enable JavaScript in your browser before proceeding. Find out more about legal matters and data protection here. Low ambient temperatures will cause a mineral oil to congeal and the system to have sluggish performance (<20ºF). DOT 3, 4, and 5.1 are glycol based (same as anti-freeze). Call them if unsure what is in it! ATF has been fine for me for over 30k miles. I didn't want to use … All the bikes I've had with hydraulic clutches would just leak on the ground if the slave cylinder failed. lick the DOT off your fingers and you can get sick, lick the mineral oil off and you just poop. One of the main differences separating the various classes of DOT fluid is their boiling temperature (or boiling point). All DOT fluids (with the exception of DOT 5) are made up of a poly-glycol base.Glycol-based fluids consist of a mixture of ingredients with as many as ten separate substances making up the final product. If you have an account, sign in now to post with your account. Here's where things get a bit hazy. KTM's will use either DOT 4 or Mineral oil. Officially that is the case However mineral oil wont destroy seals because it is less toxic/reactive (whatever you want to call it) than DOT fluids. This is caused by the intense heat created after prolonged, heavy brake use and has an adverse effect on the performance of the entire brake system. Rides bikes when time permits.Facebook | Instagram | Twitter. It's not possible to change the seals in a Magura slave cylinder, so I'll have to change the seals in the master cylinder. DOT 5 brake fluid (not to be confused with DOT 5.1) is fundamentally different than the rest of the DOT fluid range in that it is silicone based brake fluid.It was originally introduced to give a higher boiling temperature over glycol-based DOT 4 brake fluid. × just curious, but i always read that DOT fluid can 'ruin your paint.' DOT 3, 4 and 5.1 fluids are hygroscopic (water absorbing) glycol based fluids. This is worrying because the fluid in the caliper is more susceptible to high temperatures as it's at the business end of the brake, where the friction is created.You might think that since the boiling point of Mineral Oil never drops then the trade-off must be that it must start much lower than DOT fluid, after all you can't have the best of both worlds can you? Both very different in their make-up, and with their own set of characteristics but ultimately performing the same role. So just which brake fluids can you mix without causing harm to your brake system? I have a Magura slave cylinder for the clutch, be Magura say you can ONLY use mineral oil, Dot 4 will destroy the seals. Seals MUST be compatable with the fluid-period! It's easy to understand why a huge organisation like Shimano, with their kind of budget, would want complete control over the production of their brake fluid. Me ja kumppanimme säilytämme ja/tai käytämme tietoja laitteeltasi evästeiden ja vastaavien tekniikoiden avulla henkilökohtaisten mainosten ja sisällön näyttämiseen, mainosten ja sisällön mittaamiseen, yleisön näkemyksiin ja tuotekehitykseen. There's good news and bad news when it comes to its water-absorbing properties, that is why you'll find I have entered it in both tables to show both sides of the story. Find out more about legal matters and data protection here. Seemingly at random. Mineral oil does not absorb water and can break down with time and heat. Tietoja laitteestasi ja internet-yhteydestä IP-osoitteesi mukaan lukien, Selaaminen ja hakutoiminnot Verizon Media -verkkosivustojen ja -sovellusten käytön aikana. Discussion in 'The Garage' started by SoilSampleDave, Oct 10, 2015. I am using a Braktec clutch master cylinder, the plastic cap does not have any marking on it, unlike the front brake master cylinder, which has Dot 4 stamped on it. Well that of course depends on your brake model. DOT Brake Fluid vs. We have sold thousands and thousands of units worldwide and never had any problems reported. May damage paints, varnishes and some plastics. May only be poured into systems designed for brake fluids. Is a dimension for consistency (solidity or fluidity) of a substance. Seemingly at random. Yes, we were surprised too! The second surprise here is the fact that Juice Lubes' Mineral Oil appears to out-perform even Shimano's own Mineral Oil, albeit by a very small margin, but a victory nonetheless. Rides bikes when time permits. Brake fluid is an essential part of the hydraulic braking system. This helps to keep the boiling point of the entire brake fluid high rather than having pools of water in the system which will boil much sooner than the rest of the brake fluid.It also prevents localised corrosion of internal parts which can be caused by water pooling in the brake system. Bractec master cylinders that use mineral oil have a green cap. I am using a Braktec clutch master cylinder, the plastic cap does not have any marking on it, unlike the front brake master cylinder, which has Dot 4 stamped on it. A lot of people prefer mineral oil over DOT because it is a non-toxic oil that won't harm your skin or your bike's finish if it spills or leaks. Here's what Shimano have to say: It's a convincing argument. Trials Central Using mineral oil in a DOT brake system is almost as bad as using DOT fluid in a mineral oil system. You must log in or register to reply here. DOT is nasty stuff (a mixture of different chemicals) but as long as you wash your hands soon after messing with it there is no harm done. When brake fluid reaches 8% water content the boiling point of Shell DOT 3 brake fluid has been reduced almost to that of water - 100°C! Come exchange gifts with other monkeys! In the graph above we can see that the boiling points of the various Shell DOT fluids decline much further over longer periods of time. Yahoo on nyt osa Verizon Mediaa. In our opinion it would be unwise to use DOT fluid from a bottle which has been open for more than a few months, unless you have no other alternative.To reduce large quantities of wasted brake fluid, use DOT fluid from smaller 100ml bottles. Just blindly following the manual can have you using the wrong fluid and will destroy the seals. Or change seals in the slave to match. Stop being such a baby. However, this widely used ingredient is currently the subject of a lot of controversy in the beauty world. We've all seen it at least once i'm sure. Are Shimano simply trying to put the frighteners on people so they use nothing but Shimano's own branded Mineral Oil? People think they can simply dump mineral oil into the sewer or drink it and it's great. Upload or insert images from URL. A huge disadvantage of Mineral Oil, or proprietary brake fluid, is the cost. Well there you go, never knew that. Fluid manufacturers can and do improve on these temperatures with some brake fluids reaching dry boiling temperatures well in excess of 300°C/572°F. The KTM slave cylinder can leak into the gearbox, using mineral oil prevents a total clusterfuck. In any case, one thing to remember at all times when considering swapping out your Shimano or Magura proprietary Mineral Oil is that you may void the brake's warranty in the process. So there it is. Subscribe to our free newsletter and stay up-to-date with the latest from BIKE Magazine. And i wasn't sure if "mineral oil" was just DOT 5.1 being sold as a specialty product by a company for $20 for 2 oz when you can go to … :biggrin: Keep in mind that brakes specifically designed for Dot cannot use Mineral oil and visa versa. Click here for details and to learn how to participate. Or change seals in the slave to match. × I have seen mineral oil been used successfully in a DOT system for an extended period of time without any problems Definately DONT run DOT fluid in a Mineral Oil System. FrontRangeDH said: I have been using brakes with DOT since I started riding but am switching to … JavaScript is disabled.
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