Saliva constantly flows from the salivary glands in your mouth. Sometimes, the chemicals in saliva can crystalise to form a tiny stone. Salivary gland stones ('salivary calculi') can become lodged in the duct (tube) leading from the salivary gland, blocking the flow of saliva into the mouth. This can cause swelling and pain in the gland.
Hub assemblies and wheel bearings. Located between the brake drums/discs and the drive axle, the hub assembly is mounted to the holding bracket of the chassis on the axle side. On the drum/disc side, the wheel is connected to the hub assembly via bolts. The wheel bearing itself is inside the hub unit.
Shares & Saves. Save. Due to the amount of heat generated around the axle and the usage on the wheel hub assembly, the hub assembly can adhere to the axle to the point that it gets stuck when you are trying to remove it. You can remove a stuck rear hub assembly with a little patience and persistence.ry the end cap off the axle with a standard screwdriver and remove the cotter pin from the axle with a pair of pliers. Take the crown washer off the axle and unfasten the axle nut with a crescent wrench.