What is the front pinion seal?
What is the front pinion seal? The pinion seal, also called a pinion shaft, is designed to keep oil in and any water, dirt or debris out. As long as the pinion seal is in place and performing well, the differential will stay in good shape and operate as it is supposed to. How does a rear pinion seal replacement work? Rear Pinion Seal Replacement On a differential, the power input from a driveshaft begins with the pinion flange, which the driveshaft bolts to. The pinion flange is splined and bolted to the pinion gear, which transfers power to the...