From your description it's far more likely that the O-Ring at the valve
is not sealing.

I had that very problem in my '84.  The hose was good and the core was
good, but wiggling the hose that goes to the valve would cause it to spurt.

Of course ... you should check everything while you're there.

Mike

d spence wrote:
> What's involved in replacing the rear heater hose. I have a distinct
> smell of antifreeze when the rear fan is on. Went feeling around for
> the on off valve, grabbed a hose and got a shot of antifreeze on my
> habd. Obviously a bad hose here.
>
> Is it a quick and easy job (Ha) or should I plan for a day. How long is
> the hose?  Any other hints?
>
> TIA
>