A: The importance of CV boots is that they keep dirt, water, and other debris off the constant velocity (CV) joints to avoid their damage. For this reason, it is recommended to wash the boot with soap and water since the material can easily get destroyed by oil and grease. Inspect for rips, cracks on the boots and clamps that are not tight. Just squeeze them once in a while with your hands to detect if any grease is being lost or if there are any cracks. If one notices any cracks or lubricant leaks, he/she will need to replace them.