

Another symptom of a failing rear hub seal is a grinding or whining noise coming from the rear of the car
. This noise is caused by lack of lubrication in the axle components, leading to increased friction and wear. If left unattended, this could eventually lead to axle failure and a costly repair.1. Dimensions The numbers can indicate the dimensions of the seal. For instance, the first number may denote the inner diameter, the second, the outer diameter, and the third could refer to the width or height of the seal. These dimensions are critical for ensuring that the seal fits perfectly within the intended assembly, thereby maximizing effectiveness.