Nov 30, 2011. #10. rslifkin has it correct - DOT 3 & 4 are hygroscopic, that is, they absorb moisture. This is important in a 'sealed' system so you don't get a puddle of free water in the reservoir, or worse, at the caliper. Severe rusting, bad braking performance, early fade, wailing, gnashing of teeth will occur.The primary difference between DOT 3 and DOT 4 brake fluid is water absorption. DOT 3 brake fluid absorbs less water from the air than DOT 4. This means that you must change DOT 3 brake fluid less often. However, DOT 4 has its own benefits. It has a higher dry and wet boiling point, which makes it safer for higher temperatures (autozone.com).Yes, you can mix DOT 3 and 4 brake fluids. Both fluids are glycol-based and compatible. However, combining the two fluids can compromise brake system function. DOT 4 brake fluid can endure higher temperatures before boiling than DOT 3. The boiling point of DOT 3 brake fluid mixed with DOT 4 will be between the two.Dot matrix and inkjet printers share one key characteristic -- both make images out of small dots. With a dot matrix printer, a pin presses through a ribbon to make an impact on th...Brake fluid is hygroscopic. I attracts and holds water in suspension. Once the seal is broken, use it or dispose of it. DOT 4 fluid is DOT 4 chemically speaking. Selling prices vary and some companies add dye to make it easier to determine when the old fluid has been purged. ATE (for example) offers fluid dyed amber and dyed green.Liqui Moly DOT 4 Brake Fluid 1 Liter $ 16 49. Part # 22078. ... Get the best brake fluid for cars and trucks from AutoZone to ensure you're getting a great deal on ...Unlike DOT 4, DOT 3, and DOT 5.1, the DOT 5 is silicone-based brake fluid and it's also very expensive as it offers high boiling points. Brake fluid must have a wet boiling point of 356 degrees Fahrenheit or 180 degrees Celsius and a dry boiling point of 500 degrees Fahrenheit or 260 degrees Celsius in order to be classified as DOT 5.Extra High Performance Hydraulic Brake Fluid. Safety Data Sheet (SDS) Product Data Sheet (PDS) Mobil Brake Fluid DOT 4 is an extra high performance hydraulic brake fluid for use in automotive disc, drum and anti-skid brake systems and clutch systems. Download PDS. Contact an Expert.Miscible and compatible with high-quality synthetic brake fluids. The optimal period of use for this brake fluid is, however, only ensured when it is used alone. It is recommended that the brake fluid be changed in accordance with the specifications from the vehicle manufacturer. SL6 DOT 4. PRICE: 17.49DOT Rating: DOT 4DOT 4 brake fluid is a high quality brake fluid recommended for use in the hydraulic brake and clutch systems of all cars, commercial vehicles and motorcycles for which a glycol based DOT 3 or DOT 4 fluid is specified. ... The best brake pad in the world used on a low-quality rotor with a bad metallurgy will result in merely average overall ...DOT3 and DOT4 brake fluids should not be mixed. The two can react negatively with one another and cause corrosion of a vehicle’s brake system. They also have significantly differen...Dangers of Brake Failure - The dangers of brake failure are numerous and very frightening. Learn all about the dangers of brake failure at HowStuffWorks. Advertisement Brakes funct...Like commercial aircraft landing gear, backhoe buckets and racing jacks, your vehicle’s brakes are driven by a powerful liquid-based system. This pressurized, sealed system uses th...DOT 3. DOT 3 brake fluid is based on glycol-ether. It has a minimum dry boiling point of 401 degrees Fahrenheit and a wet (measured with about 4% water mixed into the liquid) boiling point of 204.8 degrees Fahrenheit. This type is suitable for the normal use of a passenger car.Originally Posted By: slacktide_bitog. Any DOT 4 brake fluid will be fine. Castrol is great stuff, as already mentioned, and Mag 1 DOT is available on Amazon at a great price; according to Mag 1's spec sheet, it has higher boiling points than Castrol. Napa also has Pentosin DOT 4 LV brake fluid, which is very good too.Originally Posted By: slacktide_bitog. Any DOT 4 brake fluid will be fine. Castrol is great stuff, as already mentioned, and Mag 1 DOT is available on Amazon at a great price; according to Mag 1's spec sheet, it has higher boiling points than Castrol. Napa also has Pentosin DOT 4 LV brake fluid, which is very good too.The properties of DOT 4 brake fluid, such as its higher boiling point and enhanced resistance to moisture absorption, help protect the braking system components. Brake fluid plays a crucial role in lubricating and preserving the braking system's seals, pistons, calipers, and other components. By using DOT 4 brake fluid, you can help extend ...Keeping fresh fluid in there probably has more of an impact than going with 5.1, in terms of performance and longevity of the parts. Castrol LMA is also a DOT 4 with similar heat ranges as the Valvoline. Click to expand... You can get 5.1 Motul Fluid at any morotcycle shop (as someone mentioned) for $8.There are several types of brake fluid, including DOT 3, DOT 4, and DOT 5.1. Each type of brake fluid requires a specific type of test strip for accurate testing. For example, DOT 3 and DOT 4 brake fluid test strips typically use a glycol-based formula, while DOT 5.1 brake fluid test strips use a silicone-based formula.Jun 22, 2017 · High compatibility. Use with or direct replacement for DOT 3, DOT 4, and DOT 5. 1 ; Extended Service Interval (ESI): Lasts 100% longer than DOT 3, 50% longer than DOT 4, and 10% longer than DOT 5. 1 ; Exceeds all DOT 3, DOT 4, and DOT 5. 1 standards ; Wet boiling point ~ 365 DegreeF/Viscosity at -40 DegreeC ~ 685mm2/sShopPro DOT 4 Brake Fluid 12oz Shop All ShopPro. ShopPro666762. Part # SPBF4-12. SKU # 666762. Check if this fits your vehicle. In-Store Pickup. Select Store. for pickup availability. ... Mixes with DOT 4 brake fluids. Provides an excellent flow at low temperatures for superior braking response. Reviews. See more reviews. this part. fits these ...A "brake job" usually consists of changing the pads. I wouldn't expect a brake job to include new or turned rotors unless they needed it. I bet the stainless lines will help pedal feel. As for the fluid, I would go with DOT 4. DOT 3 and 4 (glycol-based) are compatible with eachother, which is why they are both listed as options in the manual.Super DOT-4 Brake and Clutch Fluid exceeds the international specifications SAE J 1703, ISO 4925, as well as the U.S. safety standard FMVSS 116 DOT-4. Super DOT-4 brake fluid can be mixed with any other well-known brake fluids with same specifications. This DOT-4 brake fluid is chemically stable and contains additives guaranteeing best ...DOT 3 brake fluid has a dry boiling point of 284 degrees, which is fine for brake systems with large brake drums and thick disc brake rotors, where brake heat can be easily dispersed. It has a viscosity of roughly 1500 at -40 F. DOT 4 was used by many British or European cars and is also a poly-glycol base. DOT 4 absorbs less moisture than the ...Which DOT 4 brake fluid is best? FlatironsTuning. 20.6K subscribers. 34K views 1 year ago. ...more. Our question of the week this week is about Brake Fluid. What is the best …10 Best Brake Fluid Review. (photo credit: PR) Our Top Picks. Jump to Review Prestone Synthetic Brake Fluid 12 oz. Jump to Review Quicksilver DOT Brake Fluid Dot 4. Jump to Review Lucas Oil Brake ...Translation: a regular DOT 4 fluid will absorb moisture faster than a regular DOT 3. Fun fact: Since a brake fluid’s wet boiling point is always lower than its dry boiling point, best practices for track preparation will include flushing the fluid just before the event.-- IMPORTANT NOTE -- (extra credit opportunity!):The primary difference between DOT 3 and DOT 4 brake fluid is water absorption. DOT 3 brake fluid absorbs less water from the air than DOT 4. This means that you must change DOT 3 brake fluid less often. However, DOT 4 has its own benefits. It has a higher dry and wet boiling point, which makes it safer for higher temperatures (autozone.com).Jul 27, 2021 · There are four different types of brake fluid: DOT 3, DOT 4, DOT 5 and DOT 5.1. To keep things simple, DOT stands for Department of Transportation, and the numbers simply represent higher boiling ...You’ll have to replace DOT 4 more often than DOT 3 brake fluid. There are also DOT 5 and DOT 5.1 brake fluid ratings, however, these types of brake fluid are far less common. DOT 5 is silicone based, whereas DOT 5.1 was designed with less than 70% silicone, which allows it to be more compatible with other braking systems than DOT 5, which is ...It is the US Department of Transportation that classifies the fluid, which is where the term DOT comes from. Being in the UK, the fluid sold here is also sold as DOT fluid. There are a few different types such as DOT 2 (castor oil-based), DOT 3, 4, 5.1 (Glycol-based) and DOT 5 brake fluid (silicone-based – not a recommended racing brake fluid).Our choice for the Best DOT 4 Brake Fluid is Castrol 12509. It’s an affordable brake fluid option that offers a cost-effective solution for motorists looking for a high-quality product but who wants to spend less, …It appears that DOT 5.1 fluid exceeds MB specs ( DOT 4 plus or DOT 4 super is not an official DOT designation; it is self-designated by manufactureers to note that is exceeds DOT 4 specifications. In that manner, DOT 5.1 IS DOT 4 plus fluid in the MB nomenclature). It has a higher wet and dry boiling point than DOT 4 plus and has BETTER (lower ...Copied & pasted from my 2012 owners manual: Brake Master Cylinder MOPARu0003 DOT 3 and SAE J1703 or equivalent. If DOT 3 brake fluid is not. available, then DOT 4 is acceptable. Use only recommended brake fluids. 2012 SLT 3500, CCLB, HO, SRW 4x2, 4.10s, 68RFE, Mineral Grey, Fumoto oil valve, Cat/Cummins Dual Filter kit, Edge CTS Monitor. Share.Dot 3 Vs. Dot 4 Viscosity: Although Dot 3 and Dot 4 are both glycol-based fluids, under the right situations, Dot 3 has a longer life than Dot 4. Glycol-based liquids are not typical; they blend ten different substances. The viscosity of Dot 4 is more than Dot 3, and it can maintain its fluidity at higher temperatures.. Therefore, viscosity is the measure …Best Brake Fluid Tester Reviews 01. ITEQ Brake Fluid Tester Pen. The ITEQ Brake fluid tester pen is high quality and fast fluid tester that has 5 LED indicators that are calibrated for cars using DOT3 and DOT4 fluids. To use it, you only need to turn it on by pressing the power button on top. Green color shows no water, yellow/yellow 1% of water, red 3%, and red/red 4% water content.If this is a simple master cylinder slave cylinder system without any type of electronics I'd say run Dot 5 and be done with it for a long time. Oh yeah, Dot 3,4,5.1 all eat paint too if spilled. DOT 5 does not. Difference in Dot 4 and Dot 5.1 is the boiling temp of the fluid, that is all.Nov 10, 2021 · The water absorption lowers the boiling point of the brake fluid, reducing its effectiveness. For most vehicles, DOT 3 is a reliable and efficient brake fluid, but DOT 4 and 5 do have higher boiling points, which means they can take more of a beating. For some antilock braking systems, or ABS, DOT 4 may be recommended.We know that for many, brake fluid is often a “one and done” scenario when building a car. That could not be further from the truth, as a brake fluid change ...Brake fluid should be clear with a yellow tint when fresh. Dark brown or black color indicates aging or contamination. Regular checks prevent safety hazards and ensure effectiveness. Differentiate types like DOT 3, 4, 5, and 5.1 for proper selection. Dark brake fluid signifies contamination, requiring immediate flushing and replacement.Denny, I disagree. In general, DOT 3 and DOT 4 polyglycol ether-based brake fluids are compatible with each other. DOT 5.1 brake fluids are also polyglycol ether-based and compatible with DOT 3 and 4 but with higher nominal wet and dry boiling points. DOT 5 (as opposed to DOT 5.1) silicone based brake fluids are not compatible with polyglycol ...Pegasus racing brake fluid comparison lelandwest brake fluid comparison chart - with sortable columns Note: the SKU price doesn't indicate SKU size. Some are 500mL others are 1L so go by price/oz. column. Best recommendations I have in my notes are: Castrol SRF DOT 4 (among the priciest also) Torque RT700; Motul RBF 600 or 660The best DOT 4 brake fluid is one that meets or exceeds the minimum requirements for dry and wet boiling points. Additionally, it should be designed to resist corrosion and provide superior performance in high-temperature applications. Some of the top brands of DOT 4 brake fluid include Castrol, Motul, and Valvoline.There are four main types of brake fluid: DOT 3, DOT 4, DOT 5, and DOT 5.1. DOT 3 & DOT 4. At Master Power Brakes, we recommend using brake fluid that's glycol-based such as DOT 3 or DOT 4. These brake fluids are hygroscopic which means they absorb water. DOT 3 contains a mixture of glycol and ether while DOT 4 includes a combination of ...Prestone® DOT 4 Motor Vehicle Brake Fluid delivers enhanced performance vs. DOT standards, benefitting all vehicles calling for DOT 4. This synthetic fluid starts with a higher dry boiling point than the DOT minimum standard to protect against overheating, brake fade and performance decline due to water absorption.The manual says DOT 4 under one column. But the PM-!-C is a DOT 3 fluid. I guess go with the DOT 4 LV since the footnote reads: 1-Use only Motorcraft® DOT 4 LV High Performance Brake Fluid or equivalent meeting. WSS-M6C65-A2 and ISO 4925 Class 6. Use of any fluid other than the recommended. fluid may cause brake system damage.Brake fluid is one of your car's most essential components. It has to resist the moisture that can cause vapor lock brake failure, protect against corrosion, and withstand high brake temperatures. Castrol Dot 4 brake fluid is liquid engineered to maintain your braking system and your stopping power at all times.. Castrol brake fluid - or brake ...Prestone ® MAX DOT 3 Brake Fluid. Learn why Prestone® MAX Brake Fluid is our longest lasting and best performing brake fluid.Mar 9, 2023 · The main difference between the Dot 3 and Dot 4 brake fluid is the boiling point. The Dot 4 brake fluid does have both a higher wet and dry boiling point and is better suited for higher performance. Both Dot 3 and Dot 4 brake fluids are glycol-based products used in your braking system. They are hygroscopic and absorb water from the atmosphere ...Armor Lubricants is the best Dot 4 Brake Fluid Manufacturers in UAE offers a high-performance brake fluid that meets the specifications of the Department of Transportation (DOT) and Society of Automotive Engineers (SAE). It is a synthetic fluid that is specially formulated to work in high-temperature and high-stress conditions.greg Discussion starter. 2567 posts · Joined 2004. #11 · Apr 19, 2006. Thanx all for the heads up on the different types. So to summarize: 1) Type 4 works with the old type 3. 2) Type 5 only works with type 5 and needs a complete flush etc. 3) Type 5.1 works with type 3 and type 4 but not with type 5.SUPER DOT 4 BRAKE FLUID is a premium quality, non-silicone, non-mineral/petroleum based, fully synthetic brake fluid designed for use in a wide range of brake and clutch applications. Application. SUPER DOT 4 BRAKE FLUID is recommended for re-fill or top-up of brake and clutch systems in passenger cars, 4WD's, motorcycles, light and heavy duty commercial vehicles, mining, construction and ...DOT 4 brake fluid is an advanced version of brake fluid that offers improved performance characteristics compared to DOT 3. It is also a glycol-based fluid and meets the DOT specifications. The key difference lies in the higher boiling point of DOT 4 brake fluid, which typically ranges around 446°F (230°C). The increased boiling point makes ...Your brake fluid plays a big role in how your brakes function. ­The three main types of brake fluid now available are DOT3, DOT4 and DOT5. DOT3 and DOT4 are glycol-based fluids, and DOT5 is silicon-based. The main difference is that DOT3 and DOT4 absorb water, while DOT5 doesn't. One of the important characteristics of brake fluid is its ...1946 posts · Joined 2010. #6 · May 14, 2017. It is easy enough to use the correct fluid as montr noted. It just doesn't have to be from BMW. Sent from my LG-H820 using Bimmerfest mobile app. 2007 530xi, 2008 535xi, 2007 335i, 2011 Z4 35is, 2012 X5 35i. Mods. Rear Seat Heat Retrofit, Passport 9500ci, HD Radio Retrofit.Yes, DOT 5.1 brake fluid can be used as a direct replacement for DOT 3 and DOT 4 fluids. DOT 5.1 brake fluid has similar chemical properties to DOT 4 fluid and is compatible with most brake systems. However, it is important to note that DOT 5.1 brake fluid should not be confused with DOT 5 silicone-based brake fluid.Maximum ABS and Traction-Control Performance AMSOIL DOT 3 & 4 Synthetic Brake Fluid's low-viscosity (817 cSt) provides superior cold-weather performance and excellent ABS and traction-control responsiveness. It covers a broad range of applications and exceeds DOT 3, 4 and 5.1 specifications. APPLICATIONS.Standard automotive brake fluid (DOT 3,4 and 5.1) are made from polyethylene glycol (PEG). PEG is soluble in water, methanol, ethanol, acetonitrile, benzene, and dichloromethane, and is insoluble in diethyl ether and hexane. A long way of saying it will clean up with soap and water. DOT 5 brake fluid is diorgano polysiloxane (Silicone).DOT5.1 is thought to be the highest spec. DOT 5.1 has strict viscosity standards at lower temperatures in addition to having a high boiling point. Therefore, in cold climate areas, the DOT 5.1 brake fluid is very commonly used on most modern cars. The most widely distributed brake fluid is the DOT 4.Recommended for all ABS, disc and drum brake systems. Provides superior performance, even under severe conditions. Exceeds SAE J1703, FMVSS No. 116 and DOT 4 specifications. Dry boiling point of 480F.