When a new vehicle is designed, some of the key thought processes are simplicity in building and parts longevity. Take the Ford Super Duty front end for example. The factory uses unit bearings to ...

Our ’05 Dodge Power Wagon is a great truck, but there are a couple things that have bugged us for a while. First, like many other modern 4x4s, the front axle was designed with sealed unit bearings.

The term “maintenance free” is about as absolute as “waterproof.” So don’t be lulled into thinking you can ignore axle and wheel-end components that are billed as low-maintenance. Yes, these products ...