Changing gear oil in differentials and manual transmissions is critical for smooth operatation and reduced maintenance. But professional mechanics and DIY enthusiasts agree: changing gear oil is a hassle.
Despite the hassle and cost of unplanned maintenance, too many of us neglect our vehicles until something fails. These eight often overlooked services can not only help avoid expensive repairs, they can boost vehicle performance, too. Change Transmission Fluid Changing motor oil is the poster child for good vehicle maintenance, and for good reason. But