When a vehicle is driven regularly, rarely is it in one spot long enough to detect more than an occasional driveline fluid drip. So, unless something beneath necessitates crawling under to repair, the ...

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 ...

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 ...

Technology has continually improved the way that auto manufacturers seal their engines. Yesterday, gaskets constructed of cork or paper, and packed-rope rear main seals were commonplace. Today, Teflon ...

If oil isn’t dripping from beneath your Jeep TJ’s inline-six, it’s because it’s either brand new or the rear main seal has been replaced within the last 40,000 miles. That’s just a fact of four-liter ...

It’s critical to lube the bearing before installation. The hub should be carefully mounted on the axle to avoid damage to the new seal. At the current rate of improvement in wheel-end systems, it ...