Unlike the elusive and oft-memed blinker fluid, brake fluid actually exists. Even more than that, it's one of the more important components of vehicular safety. As the name implies, it's a fluid that ...

Brake fluid is the unseen messenger inside your braking system. Every time you press the pedal, hydraulic pressure travels through this fluid to clamp the brakes at each wheel. If the fluid degrades, ...

Of all the systems in your car, perhaps the most important to your safety are the brakes. Modern vehicles use hydraulic fluid to transmit pressure from a master cylinder to individual cylinders at ...

There are many, many fluids your car needs to keep running properly, and much like those in the human body, things can go very badly if you have too much or not enough. Most of these liquids are ...

Under every car’s hood, you’ll find a veritable nest of hoses and reservoirs filled with fluids, every one of them engineered to fulfill a specific role. And a part of being a responsible car owner is ...

Viewer-submitted questions for The Car Doctor: Q: Each weekend I look under the hood of my car like my dad taught me, and I noticed the brake fluid was a little low. I took it to a quick lube place ...

The process works because liquids are incompressible, and the density remains almost unchanged even during pressure and temperature rises. However, the fluid must retain its properties at all ...

Even drivers who take good care of their vehicles often forget about the brake fluid. It’s generally not changed in short, frequent intervals like motor oil, although automakers do recommend changing ...