Can I Use Any DOT 4 Brake Fluid?
Can I Use Any DOT 4 Brake Fluid? Can I use any DOT 4 brake fluid? Since DOT 4 and 5.1 are both glycol-based brake fluids they are compatible with each other, which means they can be readily mixed without harming your brake system. It is important never to mistake DOT 5.1 (glycol-based) with DOT