For a quick repair you can use self-fusing silicone tape (Ace hardware, etc). It is strong enough to temporarily seal a water hose, so no problem on a boot. I have used it when ball joint boots get ratty.

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1984 & 1985 CA 300D's
1964 & 65 Mopar's - Valiant, Dart, Newport
1996 & 2002 Chrysler minivans