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.
How often should yo change your front and rear differential fluids? Well, it depends on your vehicle, driving conditions and differential fluid quality. That’s a pretty vague answer, but it’s true. If you drive your truck primarily on the highway in temperate conditions and rarely tow or haul, you likely don’t need to change front