difference between dot 3 vs dot 4

How do you recognize if something has gone wrong, like a brake fluid leak? There are a few simple indicators to keep an eye out for.

Brake fluid is a hydraulic fluid that applies braking force to all four of the vehicle’s wheels when the driver presses on the brake pedal.

You know that DOT 3 and DOT 4 brake fluid formulas have different boiling points, but what do those different temperatures actually mean?

The main difference between DOT 3 and DOT 4 brake fluid formulas is their ability to handle heat and water absorption within the braking system.