1985 Ford Bronco II melted hoses

I was driving home today, 25 miles, and noticed an exhaust leak coming
from under the hood. When I got home and looked, there was a wad of
melted hoses on the passenger side of the engine. No exhaust manifold
leak I can find, just a noise coming from a hose that goes to the
catalityc converter. The combination valve is melted and the hoses
going to the air pump and up to the check valve are melted. Any idea
what could cause this? What should I do to start the repair.

Thanks for your
assistance,

Louie

> wrote in message
oups.com...
>I was driving home today, 25 miles, and noticed an exhaust leak coming
> from under the hood. When I got home and looked, there was a wad of
> melted hoses on the passenger side of the engine. No exhaust manifold
> leak I can find, just a noise coming from a hose that goes to the
> catalityc converter. The combination valve is melted and the hoses
> going to the air pump and up to the check valve are melted. Any idea
> what could cause this? What should I do to start the repair.
>
> Thanks for your
> assistance,
>
> Louie
>

The pipe that goes to the converter should have a check valve in it. The
check valve keeps the hot exhaust from travelling up the pipe to the air
pump. When it fails it melts the hoses and plastic pieces of the air
injection system. It may even damage the air pump. Replace the failed check
valve and the parts that were melted from the hot exhaust gases.

Thanks, I will check that out tomorrow.