Referring to automotive brake fluid. It has a dry boiling point of 205 °C (401 °F) and a wet boiling point of 140 °C (284 °F).
A type of brake fluid. It has a dry boiling point of 205 °C (401 °F) and a wet boiling point of 140 °C (284 °F).
Questions tagged [dot3]
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what is the difference between DOT3 and DOT4 brake fluids?
What is the difference between DOT3 and DOT4 brake fluids?
What could possibly go wrong if I use a (4 times cheaper) DOT3 brake fluid instead of the DOT4 which manufacturer recommends (but allows adding "some" DOT3 occasionally)?
What will happen if…
ria
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Using DOT4+ in clutch/brakes when DOT3 is recommended?
Looking at Wikipedia's DOT 3 page, it looks like it's been effectively superseded by DOT 4 fluid, but it's still sold and is still recommended on many forums. This question has an answer saying DOT 4 can be used in DOT 3 systems, but DOT 5 can't.
If…
wjl
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Why don't car brake systems generally use mineral oil as brake fluid?
Most cars use DOT brake fluid, which is hygroscopic. By absorbing moisture, it needs to be periodically changed, typically every 2 years. Thus, for example for a 20 year service life the brake fluid needs to be changed 9 times in its lifetime in…
juhist
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Can I put DOT 4 brake fluid into DOT 3 brake?
It's a 16 Tahoe. In my owner's manual and the brake fluid reservoir cap , they say only use DOT3 brake fluid. I'm wondering if I could use DOT4 or DOT4 Low Viscosity brake fluid?
MultiCore
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DOT 3, DOT 4 brake fluid. Can you mix them?
Only for topping off, in a vehicle that takes dot 3, but only dot 4 is readily available.
Can they be mixed?
Elcucuy
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Recommended brake fluid type for 2012 Ford Focus
My 2012 Ford Focus manual says to use DOT3 brake fluid, but the cap on the brake fluid reservoir says only use DOT4.
Which one do I use?
tracy
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Is it ok to mix different clutch fluid color?
Needed to top up my clutch fluid. Is it ok to mix different clutch fluid color? One I currently have on the reservoir is blue. I will try to look for blue but what if I cannot find one. I really need to top it up to avoid problems, then get it…
110100100
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2005 Montero LTD — Brake Warning Light - Intermittent
Brake light just started showing up on the dashboard. First item I will be checking is the Master Fluid Level . . . the manual says DOT3 or DOT4 brake fluid . . . How do I determine which one is already in the cylinder ? I can only hope the techs…
05MonteroLTD
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What is the difference between different (marketing?) "tiers" of brake fluid?
Looking for DOT3 brake fluid for a 2009 Toyota Venza. There are several options in store which meet the same base specifications (DOT3, Federal Standard CVSS-116 and SAE J1703) as required by the vehicle's owner's manual.
Eg.
"Certified" (brand) DOT…
adatum
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