The automobile contains a number of fluids that should all stay where they're supposed to be. Oil spots, coolant leaks, mystery drips, and other tell tale signs of fluids leaving their rightful place ...

Let's get this out of the way right now. This isn't a step-by-step instructional on how to replace a rear axle bearing, because so many different models use so many different means to hold the axles ...

They're one of those parts you rarely think about until they go bad. And then you're usually content to just check the diff-oil level every now and then. But neglecting a weeping or leaking axle seal ...