Here in Canada when it gets to -30C and -40C the rubber CV boots seem to
> take a beating. Mine seem to last 1 winter and during the second they
> are cracked open. The ones that go are the outer ones.
>
> They are on Trane axles for my Voyager.
>
> Is there any way of extending the life of these boots? Spraying silicon
> rubber lubricant/softener perhaps?
>
> When the boot goes the warranty on the axles is gone too, so it is
> easier to just replace the axles with rebuilt units. Less labour and the
> two joints are rebuilt and both boots are new.
>
> Now the CV joints are loose so it is back to replacing. I don't see my
> friends driving new FWD vehicles replacing their axles/boots every year > or two.
>
> What gives? Should I switch to a different axle rebuilder?
>
> Remember this happens in Canadian winters and perhaps MT, ND, northern
> MN and northern WI might have similar temps - but not as sustained as > here.