How quickly does a leaking boot need to be fixed? If the split is large enough to let a moderate or more amount of grease to escape, and water/dirt to enter, the CV joint will begin to wear rapidly.

Q: My lube shop tells me one of my car’s CV boots is split and needs to be replaced. I wonder if this can keep a month until my handy brother returns from overseas. He’s never done a CV boot ...

If the boot is cracked you may be ok for a short while, but if it's completely split, I'd replace it ASAP.<BR><BR>If it's split but not completely useless you may be ok with a duct tape repair for ...