![]() I seem to recall that Toyota doesn't specify an interval to change brake fluid. DOT 3, DOT 4 and DOT 5 brake fluids requirements for brake fluid certification and requirements for container sealing, labeling and color coding for brake. For a daily driver I'd say just use any off the shelf DOT 4 fluid, or maybe a DOT 5.1 fluid if you're really paranoid. It's likely just something that meets the DOT 3 spec and where suppliers can be changed if they provide a better price. Personally I think OEM brake fluid is oversold as being beneficial compared to any other brake fluid. Racers are constantly using the brakes, but I don't expect that the average person on the street is going to be braking that often. I understand that a lot of weekend racers will just use something like that and install fresh fluid just before a race so that wet boiling temp isn't an issue. There are some "heavy duty" brake fluids with extremely high dry boiling temperature but normal DOT 3 boiling temp when "wet". ![]() Brake fluid and hydraulic system mineral oil shall be of the color indicated: DOT 3, DOT 4, and DOT 5.1 non-SBBFcolorless to amber. The part of rule 116 relating to color is as follows: S5.1.14 Fluid color. DOT 3 specifies a minimum standard for dry and wet boiling points as well as compatibility with brake system materials. Yellow/Blue/White Color Car Brake Fluid DOT 3 Brake Oil, Find Details about Vehicle Use Brake Fluid, Synthetic Brake Oil DOT 3 from Yellow/Blue/White Color. The various ratings: DOT3 DOT4 and DOT5.1 are all DOT standards specified in 'Standard no. It should be similar to the color it was in the container when you. This property of the U.S.-standard brake fluid and U.K.-standard brakes is usually learned by experience-that is, the hard way.There are differences between DOT 3 brake fluids, but probably not enough for the average driver to care. Brake fluid thats in good condition should be practically clear with a slight yellow tint. The solution-after body repair-is to drain the brake system and rebiuld all cylinders with new nitrile seals, then fill the system with the Girling-recommended fluid. Synthetic Brake Fluid Dot 3 & 4 Valvoline 601457 4-Pack 12oz Bottles 7.6 7.1 7.7 9: Lucas Oil 10827 Brake Fluid - 12 oz 7.5 7.0 7.6 10: ATE 706402 Original SL. The problem: the generalist mechanic used DOT-3 brake fluid in all cars and rarely sees a British car (twice). Many owners of British cars had no problems with their brakes as long as their brakes were serviced by a British-car dealer who used the Girling- recommended "Castrol Golden Amber" brake fluid, but at some indeterminate time after allowing a non-specialist mechanic to top up oil and "all fluids," felt their brake pedal go to the floor without stopping the car. Flush and fill with one or the other of at least the. The blue dot 4 is a higher temp, purple is a synthetic grade 4, the dot 3 is not. You shouldnt mix or use opened container brake fluids (unless its known to be free of contaminates) that havnt been stored properly. ![]() Girling brakes, which were widely used in British cars in the mid-20th century, use nitrile seals, which are degraded by DOT-3 brake fluid. The difference between the fluids is the temp rating. In a passenger car this is not much of an issue, but can be of serious concern in racecars or motorcycles.Īs of 2006, most cars produced in the U.S. This degrades the fluid's performance by drastically reducing its boiling point. Fluids such as DOT 3 are hygroscopic and will absorb water from the atmosphere. They are DOT 3, DOT 4, and DOT 5.1.ĭOT 3, like DOT 4 and DOT 5.1, is a polyethylene glycol-based fluid (contrasted with DOT 5, which is silicone-based). Under this standard there are three Department of Transportation (DOT) minimal specifications for brake fluid. In the United States, all brake fluids must meet federal standard #116. Frankly speaking, even money-hungry mechanics don’t charge much for a job of this nature. What is the Correct Way to Check Repeatability in Balances? All things considered brake fluid flush is not going to create a dent in your bank account.
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