When lifting a vehicle, modifications are made to the suspension so that bigger tires can be installed and to provide more ...

A half shaft is essentially a drive axle ... maintenance for these systems is to maintain the integrity of the CV joint boots, which are rubber sleeves around the constant velocity joints.

CV axles use an inner and outer joint connecting the CV stubs to the shaft that is sealed with rubber boots. The joints are typically not serviced like a u-joint, but the boots are often replaced.