Every diesel truck owner wants an engine brake on their rig. That is if they don’t already have one. They help slow your pickup without cooking the brakes. But how do they work? And why don’t pickup ...

Brakes are one of the most important components of any car, and most modern cars come equipped with a hydraulic braking system, which needs brake fluid to function. What does brake fluid exactly do?

EGR stands for exhaust gas recirculation, and the EGR valve is part of a system that does as the name implies: recirculate exhaust gas back into the engine’s intake manifold for a return trip to the ...