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).

learn more… | top users | synonyms

15
votes
6answers
90k views

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 ...
1
vote
2answers
2k views

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Looking at Wikipedia's DOT 3 page, it looks like it's been effectively superseded by DOT 4 fluid, but it's still sold and is still recommended on many forums.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 ...