Corona Auto Repair

A rear differential should operate quietly enough that most drivers never think about it. When a steady whine appears during acceleration, deceleration, or at a certain road speed, it usually means something inside the gear set or bearing assembly is no longer operating the way it should. The timing of the noise can provide useful clues. A whine that gets louder while you are on the throttle may point toward a different wear pattern than one that appears mainly when you lift off the accelerator. The sound alone does not identify the failed part, but it helps technicians decide where to focus their inspection. How the Rear Differential Handles Power The rear differential transfers torque from the driveshaft to the axle shafts while allowing the left and right rear wheels to rotate at different speeds during turns. Inside the housing, the pinion gear drives the ring gear, and the differential carrier distributes power to the wheels. These gears operate under heavy lo ... read more