The constant velocity, or CV, joint lives only as long as its grease. A blown rubber boot combined with velocity can spin grease out and let in road crud. A telltale clik-clik-clik means it’s already ...

Q I was just told by my lube shop that one of my car s CV boots is split and needs to be replaced. They showed me how it was oozing grease and said the expensive CV joint inside would wear out quickly ...