Backlash, pinion depth, tooth pattern, pinion and carrier-bearing preload—what does it all mean? When used in reference to an automobile, these terms usually apply to the rearend (or differential) and ...

Few things are more annoying than seal leaks of any kind. They stain the driveway and lose all-important lubrication at the same time. Even more frustrating is replacing a seal in a differential that ...

Transmissions and transfer cases are connected to axles using driveshafts, and those connections use U-joints and yokes. While the typical wear item in these links are the U-joints, there are times ...