I also endorse goop for many uses around the vanagon and elsewhere.  It is
a bit stronger and stiffer than silicon, but still flexible.
Edward

At 04:59 PM 12/13/2005, you wrote:
>i have used this stuff to fix cracked air intake boots, rubber hoses, etc..
>its called "GOOP" Automotive sealant    should be availably at any hardware
>store, home depot, or FLAPS..
>
>
>works good, just make sure cracked area is free and clean of grease and
>dirt...
>chris